installation & Operating Manual
XXV Pellet Stove Owners Manual
r16
SaFetY nOtice
PleaSe read thiS entire Manual beFOre inStallatiOn and uSe OF thiS Pellet Fuel-burning
rOOM heater. Failure tO FOllOw theSe inStructiOnS cOuld reSult in PrOPertY daMage, bOdilY
injurY, Or eVen death.
FOr uSe in the u.S. and canada. Suitable FOr inStallatiOn in MObile hOMeS
iF thiS harMan Pellet StOVe iS nOt PrOPerlY inStalled, a hOuSe Fire MaY reSult. FOr YOur SaFetY,
FOllOw inStallatiOn directiOnS.
cOntact lOcal building Or Fire OFFicialS abOut reStrictiOnS and inStallatiOn inSPectiOn
reQuireMentS in YOur area.
cOntact YOur lOcalauthOritY (SuchaS MuniciPal building dePartMent, Fire dePartMent, Fire
PreVentiOn bureau, etc.) tO deterMine the need FOr a PerMit.
cette guide d'utiliSatiOn eSt diSPOnible en FrancaiS. chez VOtre cOnceSSiOnnaire de harMan
hOMe heating.
SaVe theSe inStructiOnS
# 3-90-00684
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Fuel Specifications
Fuel and Fuel Storage
Size
Pellet fuel quality can fluctuate from manufacturer to
manufacturer, and even from bag to bag.
•
Pellets are either 1/4 inch or 5/16 inch (6-8mm) in
diameter
Hearth & Home Technologies recommends using only
fuel that is certified by the Pellet Fuels Institute (PFI).
•
•
Length should be no more than 1-1/2 inches (38mm)
Pellet length can vary from lot to lot from the same
manufacturer
Fuel Material
•
•
•
Made from sawdust and/or other wood by-products
Shelled field corn (when mixed with wood pellets)
Source material typically determines ash content
Performance
•
•
•
Higher ash content requires more frequent
maintenance.
"Premium" grade pellets will produce the highest
heat output.
Burning pellets longer than 1-1/2 inches (38mm) can
cause inconsistent feeding and/or ignition.
Higher Ash Content Material
•
•
•
Hardwoods with high mineral content
Bark and leaves as source material
"Standard" grade pellets, corn and other biomass
We recommend that you buy fuel in multi-ton lots
whenever possible. However, we do recommend trying
different brands prior to purchasing multi-ton lots, to
ensure your satisfaction.
Lower Ash Content Material
•
•
•
Softwood; pine, fir, etc.
Materials with lower mineral content
"Premium" grade pellets
CAUTION! Attempting to burn fuels such as charcoal
has the potential of generating Carbon Monoxide which
is DEADLY. Never burn fuels other than those listed on
the appliance safety label.
Shelled field corn
•
•
•
•
Must be 15% moisture content or less
Must be clean and free of debris
Must be mixed with wood pellets. (Up to 50%)
Stalk parts, excessive fines and cob remnants may
cause feed system jams or blockage
When changing from wood pellets to a corn/pellet mixture,
the FEED ADJUSTER will likely need adjusted to a lower
setting. When under maximum demand, ensure there is
no unburned fuel being pushed into the ash pan.
CAUTION! Do not burn fuel that contains an additive;
(such as soybean oil)
Storage
•
•
May cause hopper fire
Damage to product may result
•
•
•
Wood pellets should be left in their original sealed
bag until ready to use, to prevent moisture.
Read the list of ingredients on the packaging. If you are
buying field corn, the only ingredient listed should be field
corn.
Shelled corn should be stored in a tightly sealed
container to prevent moisture and to deter pests
Do not store fuel within the specified clearance areas,
or in a location that will interfere with routine cleaning
and maintenance procedures.
WARNING! Risk of Chemical Poisoning!
Do NOT burn treated seed corn
•
•
Chemical pesticides are harmful or fatal if swallowed
Burning treated seed corn will void the product
warranty
Clinkers
Minerals and other non-combustible materials, like
sand, will turn into a hard glass-like substance when
heated.
Trees from different areas will vary in mineral content.
For this reason, some fuels will produce more clinkers
than others.
cautiOn
Tested and approved for use with wood pellets and a
mixture of shelled field corn and wood pellets ONLY.
Burning of any other fuel will void your warranty.
Moisture
nOtice
.125Always burn dry fuel. Burning fuel with high moisture
content takes energy to dry and tends to cool the
appliance thus, robbing heat from your home. Damp
pellet fuel could turn back into sawdust which does not
flow properly through the feed system.
Hearth & Home Technologies is not responsible for
stove performance or extra maintenance required
as a result of using fuel with higher ash or mineral
content.
XXV Pellet Stove
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This label is located on the back of the unit.
Please copy the Serial Number for future reference.
Serial #:
135-S-14c-6.2
FOR USE WITH PELLETIZED WOOD FUEL OR CORN/PELLET MIXTUR
CONSULT MANUFACTURER’S INSTRUCTIONS.
B
A
A
SA
/15cm 8”/20cm
0” 0”
6”/15cm 18”/46cm
CANADA
C
rom window opening.
PROTECTION DU PLANCHER:
EU
CANADA
(A)*
(B)
(C)*
6”/15cm 8”/20cm
0” 0”
6”/15cm 18”/46cm
*
Harman Home Heating- 352 Mountain House Road - Halifax, PA17032
4
XXV Pellet Stove
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introduction
Thank you for purchasing the Harman XXV Pellet Stove. The Harman XXV Pellet Stove is the culmination of
elegance, convenience, functionality and dependability
The XXV was thoughtfully designed to look captivating in every home. Intricately detailed oak leaves express the
magnitude of craftsmanship that goes into making this stove a masterpiece. These beautiful castings are proudly
made in the U.S.A.
Built to strict Harman standards, the XXV has the most advanced construction of any Harman Pellet Stove. This
25th Anniversary Stove is based on Harman's patented pellet stove technology and goes a few steps further. The
glass hopper lid allows you to see the fuel level while the mirrored front glass transforms into clear glass with the
radiance of the fire.
A new concept for the XXV is the ability to use the top vent option. Using this method, the XXV can easily replace
a wood stove by placing the top vent adapter over the rear vent.
We put all of our favorite features into the XXV, fusing the highest caliber pellet stove innovations with the allure
of cast iron.
table of contents
For Your Safety: When installing a solid fuel appliance,
it is also recommended to install Smoke and Carbon
Monoxide Detectors on every level of the house. During
the initial firing of the appliance, some smoke or odor may
occur due to paint curing. You may want to keep some
windows open for ventilation during the first few hours of
burning to prevent smoke detector activation. Test your
smoke and carbon monoxide detectors regularly.
Assembly & Installation
Installation
6
7
Venting
8
ESP Control
16
17
18
21
23
24
28
29
30
30
31
32
34
35
Low Draft Voltage Adjustment
Automatic Operation
Manual Operation
Room Sensor
appliance certification.
Model: XXV
Maintenance
test lab: Omni-Test Laboratories
report #: 135-S-14c-6.2
type: Room Heater, Pellet Fuel-Burning Type
Also For Use In Mobile Homes.
Standard(s): ASTM E1509-04, ULC S627-00 and
ULC/ORD C1482-M1990.
Options
Trouble Shooting
Specifications
Wiring Diagram
Power Failure / Back-up
Warranty
Note: This appliance is also approved for installation
into a shop.
Corn Burning Info
Service Parts List
352 Mountain House Road
Halifax, PA 17032
XXV Pellet Stove
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iMPOrtant nOteS
Fuel should be stored in a cool dry place, well
cautiOn
away from the room heater. do not store fuel within
the installation clearance area or the space required
for loading and/or ash removal.
dO nOt uSe MakeShiFt PartS Or Other
cOMPrOMiSeS when inStalling thiS
aPPliance.
keeP cOMbuStible MaterialS (Such
aS graSS, leaVeS, etc.) at leaSt 3
Feet awaY FrOM the Flue Outlet On
the OutSide OF the building.
dO nOt burn garbage Or FlaMMable
FluidS Such aS gaSOline, naPtha Or
engine Oil.
due to high temperatures, the stove should be
placed out of traffic and away from furniture and
draperies.
dO nOt inStall a Flue daMPer in the
eXhauSt Venting SYSteM OF thiS unit.
dO nOt cOnnect thiS unit tO a chiMneY
Flue SerVing anOther aPPliance.
children and adults should be alerted to the
hazards of high surface temperatures and should
stay away to avoid burns to skin and/or clothing.
Young children should be carefully supervised
when they are in the same room as the stove.
clothing and other flammable materials should
not be placed on or near this unit.
installation and repair of this harman stove
should be done by a qualified service person. we
recommend that the stove be inspected before use
and at least annually by a qualified service person.
Periodic cleaning is required throughout the heating
season and at the end of each winter for the stove
to work efficiently. See cleaning instructions.
cautiOn: dO nOt cOnnect tO anY air
diStributiOn duct Or SYSteM.
warning
keeP Viewing and aSh reMOVal dOOrS and
hOPPer lid tightlY clOSed during OPeratiOn.
cautiOn
hOt while in OPeratiOn. keeP children,
clOthing and Furniture awaY. cOntact MaY
cauSe Skin burnS.
assembly and installation
Flame guide
Install the cast
iron flame guide
on top of the burn
pot. Make sure that
the flame guide is
fully seated on the
vertical sides of the
burn pot and that the
back of the guide
rests against the
burn pot mounting
flange.
install the venting only at the clearances
specified by the venting manufacturer. Some
brands of pellet venting require a 3" clearance
to combustibles, while other brands may require
only one inch.
Figure 1
The power cord is tucked inside the left rear cover panel.
To remove cord, Loosen the two 5/16" hex heads and
slide the panel outward.
6
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installation
installing
Place the stove on a non-combustible floor
protector that extends a minimum of 6 inches to
the front (152mm), 6 inches to the sides (152mm)
and 6"(152mm) to the rear, which is flush with the
rear of the hopper. Front and side floor protection
measurements are made from the firebox or window
opening. Floor protection must also be positioned
under horizontal flue pipe, extending 2" (51mm)
beyond each side of the pipe.
nOte for canadian installation only: Per
ULC-S627-00, If installed on a combustible floor,
the need to provide a noncombustible floor protector
covering the area beneath the space heater and
extending at least 17.72" (450mm) on the firing side
and at least 7.87" (200mm) on the other sides.
6.25"
406mm
3"/ 76mm
12"/ 305mm
6.25"
406mm
Fig. 3
Fig. 2
Floor Protection
requirements
The minimum floor protector material is 20 gauge sheet
metal. Other floor protector materials are ceramic tile, stone,
brick, etc.
Place the stove away from combustible walls at least as far
as shown in Figures 2 and 3.
US
Canada
Sides
6"
6"
200mm
450mm
j
Front
k
Note that the clearances shown are minimum for safety but do
not leave much room for access when cleaning or servicing.
Please take this into account when placing the stove.
Connect the power cord to a 120 V.A.C. 60Hz grounded
receptacle. (A surge protector is recommended to protect the
circuit board.) Also be sure that the polarity of the outlet that
the stove is plugged into is correct.
Prior to installing the flue pipe, connect a draft meter. Turn the
FeedAdjuster dial to "Test". Record the first reading. Connect
flue pipe to stove and be sure all doors and windows in the
home are closed. Record the second draft reading_______.
If the second reading is more than .05" lower than the first
reading, check for possible restrictions or the need for outside
air (see page 10). For more information on the draft test
procedure, refer to Page 17.
Rear
0"
200mm
l
l
Floor protector
minimum: 32" X 32"
(813mm X 813mm)
nOte: Measurement
"K" is measured from
the glass in the US
ONLY
Mobile home installation
j
k
j
When installing this unit in a mobile home several requirements
uSa
canada
Floor protector
must be followed (Reference HUD Regulation #24CFR3280)
:
1. The unit must be bolted to the floor. This can be done by
using clips (part # 2-00-677110B) and 1/4" lag screws.
2. The unit must be connected to outside air. See page 10.
3. Floor protection and clearances must be followed as shown
above.
4. Unit must be grounded to the metal frame of the mobile
home.
5. Chimney must meet requirements of CAN/ULC-S629,
Standard for 650°C Factory Built Chimneys. Follow
Manufacturer's guidelines concerning height and clearances
to combustibles. Use the same manufacturer's components
to provide an effective vapor barrier where the chimney or
other component penetrates to the the exterior of the mobile
home. dO nOt MiX cOMPOnentS FrOM diFFerent
ManuFacturerS. The top section of chimney and the
chimney cap must be removable to a maximum height of 13.5'
for transport of the mobile home.
18"/
457mm
6"/152mm
from pipe to
wall
4"/102mm
from back of
top flue vent
to wall
cautiOn: this appliance must be vented to the outside.
cautiOn
the Structural integritY OF the
ManuFactured hOMe FlOOr, wall, and ceiling/
rOOF MuSt be Maintained.
warning
dO nOt inStall in a SleePing rOOM.
Fig. 5: Optional Top Vent Pipe Clearances
XXV Pellet Stove
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Venting
requirements for terminating the Venting
WARNING: Venting terminals must not be recessed
into a wall or siding.
J. The clearance to a non-mechanical air supply inlet
to the building or the combustion air inlet to any other
appliance must be a minimum of 48”.1
NOTE: Only the Harman Direct Vent Wall Pass-through
(part # 1-00-677077) or PL listed vent pipe wall pass-
throughs and fire stops should be used when venting
through combustible materials.
NOTE: Always take into consideration the effects of
the prevailing wind direction or other wind currents
that may cause flyash and/or smoke when placing the
termination vent.
K. The clearance to a mechanical air supply inlet must
be a minimum of 10 feet.1
(with outside air installed, 6 feet )
L. The clearance above a paved sidewalk or a paved
driveway located on public property must be a minimum
of 7 feet.1,2
M. The clearance under a veranda, porch, deck or
balcony must be a minimum of 12 inches.1,3(b. also
applies)
NOTE: The clearance to vegetation and other exterior
combustibles such as mulch is 36” as measured from
the center of the outlet or cap. This 36” radius continues
to grade or a minimum of 7 feet below the outlet.
1Certain Canadian and or Local codes or regulations
may require different clearances.
in addition, the following must be observed:
A. The clearance above grade must be a minimum of
18".1
B. The clearance to a window or door that may be
opened must be a minimum of 48" to the side, 48" below
the window/door, and 12" above the window/door.1(with
outside air installed, 18” to side or below window/door)
C. A 12" clearance to a permanently closed window is
recommended to prevent condensation on the window.
D. The vertical clearance to a ventilated soffit located
above the terminal within a horizontal distance of 2 feet
(60 cm) from the center-line of the terminal must be a
minimum of 18".
2A vent shall not terminate directly above a side-
walk or paved driveway which is located between two
single family dwellings and serves both dwellings.
3Only permitted if veranda, porch, deck, or balcony is
fully open on a minimum of 2 sides beneath the floor.
E. The clearance to an unventilated soffit must be a
minimum of 12".
F. The clearance to an outside corner is 11" from center
of pipe.
G. The clearance to an inside corner is 12".
H. A vent must not be installed within 3 feet (90 cm)
above a gas meter/regulator assembly when measured
from the horizontal center-line of the regulator.1
I. The clearance to service regulator vent outlet must
be a minimum of 6 feet.1
nOte: a chimney connector may not pass through
an attic or roof space, closet or similar concealed
space, floor, or ceiling.
nOte: where passage through a wall, or partition of
combustible construction is desired, the installation
shall conform to can/cSa-b365. (if in canada)
= area where vent terminal not permitted
= air supply intake
= Vent terminal
8
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Venting
iMPOrtant nOtice
Venting
Acombustion blower is used to extract the combustion
gases from the firebox. This causes a negative pressure
in the firebox and a positive pressure in the venting
system as shown in Fig. 6. The longer the vent pipe and
more elbows used in the system, the greater the flow
resistance. Because of these facts we recommend using
as few elbows as possible and 15 feet or less of vent
pipe. The maximum horizontal run should not exceed
48". If more than 15 feet of pipe is needed, the interior
diameter should be increased from 3" to 4" because
a larger pipe causes less flow resistance. be sure
to use approved pellet vent pipe wall and ceiling
pass-through fittings to go through combustible
walls and ceilings. The use of a starting collar is not
always necessary. The first piece of pellet vent pipe
must be fastened to the appliance flue collar with at least
3 fasteners. The fasteners provided are a self-drilling
type, however, due to material thickness, drilling a 3/32"
pilot hole for each screw is recommended. Follow vent
manufacturer's instructions for proper connection at
each joint.
Approved Pellet Vent Pipe (3" or 4") Must Be
Used unless installing with the optional top 6"
Flue Adapter.
If using 6" Flue Adapter, it is recommended to
use a sealed seam 6" flue pipe (snaplock seam
is not recommended) secure each joint with at
least 3 screws, and seal with high temperature
silicone.In some cases it may be necessary
to use a liner in the existing chimney to obtain
proper draft.
cautiOn
dO nOt cOnnect tO anY air
diStributiOn duct Or SYSteM.
Vent Pipe
Pellet venting pipe (Known as "L" or "PL" venting) is
constructed of two layers with air space between the
layers. This air space is an insulator which reduces
the surface temperature and allows a clearance to
combustibles of 3 inches or less. The sections of pipe
lock together to form an air tight seal in most cases.
However, in some cases a perfect seal is not achieved.
For this reason and the fact that the XXV operates with
a positive vent pressure we specify that the joints also
be sealed with silicone.
All joints for connector pipe must be fastened or
secured with a minimum of three screws. We cannot
emphasize enough, the importance of sealing every
seam and joint in the venting system which is inside
the home. Even the smallest pin hole can leak and
when it does you will smell wood smoke or a creosote
smell in the room. If this occurs check for leaks. Leaks
are easiest to see during start-up. Alternatively you
can use a smoke pellet to leak test the venting before
lighting your first fire.
= Positive Static Pressure
+
-
= Negative Static Pressure
Fig. 6
inStall Vent at clearanceS SPeciFied
bY the Vent ManuFacturer.
XXV Pellet Stove
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Venting
avoiding Smoke and Odors
negative Pressure, Shut-down, and Power Failure:
To reduce the probability of back-drafting or
burn-back in the pellet burning appliance during
power failure or shut-down conditions, the stove
must be able to draft naturally without exhaust blower
operation. Negative pressure in the house will resist this
natural draft if not accounted for in the pellet appliance
installation.
Outside air flex pipe
goes here.
Heat rises in the house and leaks out at upper levels.
This air must be replaced with cold air from outdoors,
which flows into lower levels of the house. Vents and
chimneys into basements and lower levels of the house
can become the conduit for air supply, and reverse
under these conditions.
Flex pipe part#
1-00-08543 (25')
Outside air:
harman home heating and hearth & home
technologies strongly recommend attaching
outside air in all installations, especially lower level
and main floor locations.
Inlet Cover part#
1-10-08542
Fig. 7
Per national building codes, consideration must
be given to combustion air supply to all combustion
appliances. Failure to supply adequate combustion air
for all appliance demands, may lead to back-drafting
of those and other appliances.
Adjustable from 4 1/2" to
10 5/8" wall thickness
Outdoor Half
When the appliance is side-wall vented: The air
intake is best located on the same exterior wall as the
exhaust vent outlet and located lower on the wall than
the exhaust vent outlet.
When the appliance is roof vented: The air intake is
best located on the exterior wall oriented towards the
prevailing wind direction during the heating season.
The outside air connection will supply the demands of
the pellet appliance, but consideration must be given to
the total house demand. House demand may consume
some air needed for the stove, especially during a power
failure. It may be necessary to add additional ventilation
to the space in which the pellet appliance is located.
Consult with your local HVAC professional to determine
the ventilation demands for your house.
Indoor Half
Fig. 8
direct Vent wall Passthrough
The Harman Direct Vent Wall Passthrough (Part
# 1-00-677077) makes installing your Harman Pellet
Stove with outside air easier. It combines the needed
wall protection for the venting, with a source of intake
air for combustion. It is made to fit walls from 4 1/2" to
10 1/8" thick with a single square opening in the wall
of 6-1/2 inches.
To install outside air use 2 3/8" I.D. non-combustible
flex pipe. There is a break-away hole on the rear panel
of the stove which must be removed to connect the flex
pipe. The maximum length run of this pipe is 15 feet. If
a longer run is needed the size must be increased to
3". Inlet cover part number 1-10-08542 should be used
to keep birds, rodents, etc.out of the pipe unless the
Harman wall passthrough is being used.
canadian Standard, ulc-S627-00 requires that all out-
door-aired appliances must be secured to the structure.
10
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Venting
nOtice
use only components specified by the venting manufacturer or the appliance manufacturer, including
the proper wall pass-through and termination cap. the use of mis-matched or makeshift venting
components may cause exhaust spillage and/or increase fire risk.
#1 Preferred method
This method provides excellent venting for normal
operation and allows the stove to be installed closest to
the wall. Two inches from the wall is safe; however, four
inches allows better access to remove the rear panel.
The vertical portion of the vent should be three to five
feet high. This vertical section will help provide natural
draft in the event of a power failure. note: do not place
joints within wall pass-throughs.
3 ft.
to
Combustibles
Shaded area represents
the minimum clearance to
combustible materials such as
shrubbery, mulch or tall grasses.
12" min. wall to outlet
Fig. 9
3 ft.
Fig. 11
to Combustibles
#2 Preferred method
This method also provides excellent venting for
normal operation but requires the stove to be installed
farther from the wall. The vertical portion of the vent
should be three to five feet high and at least three
inches from a combustible wall. This vertical section
will provide natural draft in the event of a power failure.
If the stove is installed below grade be sure the vent
termination is at least 18" above grade. The outlet must
also be 1 foot from the house/building.
3 ft.
to
Combustibles
Note: Do not place joints within wall pass-
throughs.
cautiOn
keep any materials that may be affected by the
elevated exhaust temperatures at least 3 feet
away from the flue termination
Fig. 10
3 ft.
to Combustibles
XXV Pellet Stove
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Venting
#3 installing into an existing chimney
This method provides excellent venting for normal
operation. This method also provides natural draft in
the event of a power failure. If the chimney condition
is questionable* you may want to install a liner as in
method #6.
*The chimney should be inspected and cleaned
before installing your stove. If you discover that the
chimney does not have a clay tile liner or has cracks or
flaking of the tile liner you will need to install a stainless
steel liner within the chimney. In most cases the inside
diameter of this liner should be 4". Either flexible or rigid
liner may be used for this purpose. Refer to Method 6.
Be sure to design the venting so that it can be easily
cleaned.
warning
the chiMneY and cOnnectOr MuSt be
Maintained in gOOd cOnditiOn and kePt
clean
Fig. 12
#4 installing into an existing chimney
with optional top discharge 6" flue
adapter
This method will allow single wall 6" flue pipe to come
off the top of the stove and go directly into a masonry
or class A chimney.
This method will be desirable for people who are
replacing a wood or coal stove and have an existing
chimney to use.
* all jOintS FOr cOnnectOr PiPe MuSt be
Secured with a MiniMuM OF three ScrewS.
6" from
pipe to wall
chiMneY MuSt be OF a tYPe Suitable FOr
SOlid Fuel burning.
Fig. 13
12
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Venting
#5 installing into an existing fireplace
chimney (uS and canada)
This method can be done with or without a flue liner.
Without a liner, the damper area must be sealed off with
a steel plate. Kaowool, mineral wool or an equivalent
non-combustible insulation is recommended on top of
the steel plate to minimize condensation. In this method
a cap should also be installed on the chimney to keep
out rain.
Some places in the US and Canada require that the
vent pipe extend all the way to the top of the chimney.
Per ULC S628.
Be sure to use approved pellet vent pipe fittings.
Seal pipe joints with silicone or aluminum tape in
addition to the sealing system used by the manufacturer.
Pipe size should be increased to 4" using this method.
warning
the chiMneY and cOnnectOr MuSt be
Maintained in gOOd cOnditiOn and
kePt clean
Fig. 14
#6 installing into an existing chimney
(uS and canada)
This method provides excellent venting for normal
operation. This method also provides natural draft in
the event of a power failure.
In this method a 4 inch liner is installed the entire
length of the flue. Whether using a rigid or flexible liner, a
cap should be installed on the chimney to keep out rain.
* all jOintS FOr cOnnectOr PiPe MuSt be
Secured with a MiniMuM OF three ScrewS.
chiMneY MuSt be OF a tYPe Suitable FOr
SOlid Fuel burning.
Fig. 15
XXV Pellet Stove
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Venting
#7 installing into an existing chimney
using 3" pellet vent in combination with
6" or 8" single or double wall stove pipe.
This method allows the installer to use 6" or 8"
single and double wall stove pipe (sealed seam not
snap lock) and an existing masonry or class Achimney
to vent the stove.
The stove must use pellet vent and 90 degree
elbow to start at the stove connector and then use the
approved pipe adapter to connect to the size of vent
that continues into the chimney connector. Support
of the assembly must follow any pipe and connector
manufacturers recommendations.
Due to combustible fuel, vent pipe to hopper
clearances must meet guidelines stated by NFPA or
local codes.
warning
the chiMneY and cOnnectOr MuSt be
Maintained in gOOd cOnditiOn and
kePt clean
Fig. 16
Storm collar
Flashing
#8 installing through the ceiling
Through the ceiling vent, follow vent manufacturers
recommendations when using a wall or ceiling pass
through. note: do not place joints within wall pass-
throughs.
12" min.
3" min.
3" min.
3" min.
PL vent manufacturer's
firestop spacer and
support
No insulation or
* all jOintS FOr cOnnectOr PiPe MuSt be
Secured with a MiniMuM OF three ScrewS.
other combustible
materials are
allowed within
3" of the PL vent
pipe.
chiMneY MuSt be OF a tYPe Suitable FOr
SOlid Fuel burning.
3" min.
Fig. 17
14
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Venting
Minimum flue vent
configuration
12" min.
wall to outlet
It is recommended that outside
air be installed with this venting
configuration to reduce smoke
and creosote smell in the room
in the event of power failure.
36" min clearance
to any materials that
may be affected by
the elevated exhaust
temperatures
Fig. 18
Fig. 19
Vent configurations:
To reduce probability of reverse drafting during shut-down conditions, Hearth & Home Technologies strongly
recommends:
• Installing the pellet vent with a minimum vertical run of five feet, preferably terminating above the roof line.
• Installing the outside air intake at least four feet below the vent termination.
To prevent soot damage to exterior walls of the house and to prevent re-entry of soot or ash into the house:
• Maintain specified clearances to windows, doors, and air inlets, including air conditioners.
• Vents should not be placed below ventilated soffits. Run the vent above the roof.
• Avoid venting into alcove locations.
• Vents should not terminate under overhangs, decks or onto covered porches.
• Maintain minimum clearance of 12 inches from the vent termination to the exterior wall. If you see deposits
developing on the wall, you may need to extend this distance to accommodate your installation conditions.
hearth & home technologies assumes no responsibility for, nor does the warranty extend to, smoke
damage caused by reverse drafting of pellet appliances under shut-down or power failure conditions.
XXV Pellet Stove
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eSP control
Mode Selector
Dealer Diagnostic Port
Temp dial
Allows you to choose between Room Temp Mode,
Stove Temp Mode, or OFF. Also allows you to vary the
distribution blower speed by turning the knob to the high
or low side of each mode.
For dealer maintenance
only. Requires special DDM
monitor supplied to Harman
Dealers exclusively.
Allows you to adjust the
room temperature in Room
Temp Mode using the outer
scale marked in degrees
Fahrenheit. It also allows
you to adjust the stove
temperature while in Stove
Temp Mode using the inner
scale marked from 1 to 7.
Distribution Blower
speed adjustment
range.
L = low
H = high
Variable speed
anywhere between L
and H; although as the
stove temp. goes up,
so does the L and H
scale.
Indicates igniter is on.
Indicates power to the feed
motor.
Igniter switch
Set to appropriate Start-
Up mode.
Indicates power to
combustion blower
Indicates power to
distribution blower.
Test
Runs all motors at full
speed for one minute
to check operation.
After a minute, the
control will simulate a
minimum burn and the
combustion blower will
remain on low.
Status Light
Will be lit in either stove
or room temp mode when
pointer is not within off
position band except after
normal shut down. Blinks to
indicate errors listed below.
Power Light
Indicates power to the
control.
Feed adjuster
Sets the maximum feed
rate
Status light error messages:
3 blinks: Indicates that the ESP (Exhaust Sensing
Probe) has gone out of range too many times. If the
unit seems to be operating correctly, perform a manual
reset*.
4 blinks: Can occur only in Room Temp Mode and
indicates Room Sensing Probe failed or not installed.
If a Room Sensing Probe is then installed, the status
light will automatically reset.
A six blink status may be set if the stove is allowed to
run out of pellets. To reset, turn mode selector to "OFF"
then back on to the desired mode. If the unit was not
out of pellets, see Troubleshooting section, Page 29,
for more details.
* Manual reset- disconnect power cord for a few
seconds and reconnect. If error still occurs call your
Dealer.
NOTE: Unit will not start in "AUTO" with this status error.
5 blinks (in igniter auto. Mode Only): Indicates that
the unit has failed to light within the 36 minute start
cycle. To reset - Turn Mode Selector to "OFF", then turn
to either mode again.)
6 blinks : Indicates that the control has calculated poor
or incomplete combustion occurring for more than 50
minutes.
16
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low draft Voltage adjustment
Draft Meter
Draft Meter bolt hole location
is just behind the left front
leg, near the top of the ash
pan area.
Fig.29
Fig.30
Combustion Motor Speed Control
Low draft only set point.
The small straight screwdriver slot is plastic; therefore,
the unit can be adjusted while in operation.
low draft Voltage adjustment
These units are pre-tested at the factory with exactly
120 Volts A.C., 60 Hz. They are checked and adjusted
for firebox tightness, gasket leakage, motor operation
and igniter operation. The XXV is then factory set
at a mid-point adjustment and in most cases will not
need any adjustments. nOte: the factory low draft
setting may not be correct for the unit's permanent
installation conditions.
A simple draft test should be performed after
completing the flue pipe installation. To record the
results for future reference:
1. Plug unit into a 120VAC, 60 HZ outlet.
2. Close the hopper lid, front view door, and the ash
pan. Neither pellets or a fire are required for this test.
3. With the mode selector in the "OFF" position, turn
the feed adjuster to "TEST".
The control board on the XXV is equipped with a low
draft adjustment port. Located on the control face just
to the left of the igniter light. This voltage adjustment
is provided to allow the unit to be adjusted for the
household voltage where the unit is going to be in
permanent operation. nOte: the line voltage varies
from area to area and often home to home.
The low draft voltage should be adjusted to achieve
the most efficient burn on low burn or "maintenance".
This voltage adjustment allows the installer to change
the low voltage set point approximately 10 volts. This
adjustment should be done by the installer during set
up because a draft meter reading is required to insure
proper set up.
4. Record the high draft_____in W.C. (Normal is -.50
to -.60) The control will be on the High Draft for a total
of 1 minute.
5. After 1 minute, the combustion motor will go down
to low draft and the distribution blower will go on
high. Allow approximately 15 seconds to pass for the
combustion motor to slow before checking the low draft.
6. If the low draft is between -.35 and -.45, record the
reading _____ in W.C. If the reading is higher, slowly
turn the set screw counter-clockwise until the draft
lowers. If the reading is lower, very slowly turn the set
screw clockwise until the draft increases.
nOte: in some cases, the draft may not go as low
as -.35 to -.45 even with the set screw completely
counter-clockwise, ideally, you should just set it as
low as possible.
If the unit is not adjusted properly, it does not cause
a safety concern. If the unit is adjusted too high, only
efficiency is lost. If the unit is adjusted too low, the low
draft pressure switch will not allow the feed motor or
the igniter to operate.
XXV Pellet Stove
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autOMatic ignitiOn/OPeratiOn
The XXV is a fully automatic stove that features
room temperature Mode
two operating modes; Stove temperature Mode and
room temperature Mode. In Stove Temperature
Mode, you select a burn rate and the stove will remain at
the same burn rate regardless of the room temperature.
In the Room Temperature Mode the stove constantly
monitors the temperature in the room and adjusts the
size of the fire and the heat output of the stove so that
the room is kept at a constant temperature. Room
Temperature Mode, in the AUTO position, has the
added advantage of turning the stove off if no heat
is required and turning the stove on again when the
room temperature drops below your desired room
temperature set point.
room temperature Mode
Most consumers use the stove in the Room
Temperature Mode because it is the easiest and
most efficient method of keeping the room at a given
temperature. In the Room Temperature Mode, the
Room Sensing Probe constantly monitors room
temperature. As the weather changes outside and
your home needs varying amounts of heat to be at a
desired temperature, the stove will automatically adjust
size and heat output of the fire so that a constant even
temperature is maintained. If the weather warms
up and no heat is required the stove will gradually
shut down. When the house cools down, the stove
will automatically bring the room temperature to your
desired setting
In the Room Temperature Mode you can select either
auto or Manual modes for the igniter using the igniter
toggle switch. When the toggle switch is in the Auto
position the igniter, located inside the burn pot, is ready
to automatically light the fire when required. When the
toggle switch is set to the Manual position, the stove
can be lit manually with either a gel or a wax type fire
starter. (see lighting instructions on page 20.) With the
igniter toggle switch set in the Manual position the stove
will automatically adjust the heat output, but the stove
will not automatically shut down if no heat is required.
Instead it will go to its lowest setting and remain there.
The Manual position on the igniter toggle switch lets
you light the stove manually, should the igniter fail for
any reason. Secondly, if you are using the Harman
battery back up system the Manual setting will prevent
the stove from turning off and on during a power failure,
which will drain the back up battery, and possibly cause
damage to the back-up or the stove.
Fig. 20
room temperature Mode: This setting, see above,
will produce a room temperature of 70 degrees with the
distribution blower at medium speed.
keeP hOPPer lid, lOading dOOr and aSh
reMOVal dOOrS clOSedat all tiMeS during
OPeratiOn.
Maintain all gaSketS and SealS in gOOd
cOnditiOn.
In the Room Temperature Mode, the distribution
blower speed can be increased or decreased by
adjusting the Room Temp/Off/Stove Temp dial between
L and H. As output of the stove increases, the speed
of the blower will increase automatically to ensure
that more heat is transferred out into the room. The
distribution blower will shut off as the room reaches
the set temperature, this will prevent overheating of
the room.
18
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autOMatic ignitiOn/OPeratiOn
Stove temperature Mode
Stove temperature Mode
In the Stove Temperature Mode and with the igniter
toggle switch in the Auto position, the stove will light
automatically and can be adjusted to the desired setting
using the same temperature control dial as is used in
the Room Temperature Mode. The heat output and fuel
consumption will remain constant regardless of room
temperature. The settings from 1 to 7 on the inner ring
of the dial provide for relative heat output settings with
1 being low and 7 being the maximum.
In Stove Temperature Mode, the stove will not
automatically shut off unless the stove runs out of fuel
or is turned off.
This setting, see above, will produce continuous medium heat
output with the distribution blower at low speed.
Never disconnect the power cord to shut down the
stove. This will stop the combustion blower and smoke
will escape through window and door gaskets.
Feed adjuster knob
This knob controls the maximum amount of time per
cycle that the feed motor is allowed to run. Based on the
control settings and temperature demand, the control
will make it's own determination of how long to run the
feed motor, uP tO the maximum allowed by the Feed
Adjuster knob setting. For most premium grade pellet
fuels, the feed adjuster should be set at #4. If high-ash
fuel is used, the setting may need to be adjusted to #5
or 6. Higher settings are also needed if you want to
achieve the maximum capacity of the stove. Just be
sure that when burning at maximum, Stove temperature
mode with the feed adjuster on #6 and the temperature
knob on "7" or "90°", the pellets are not falling off of the
front of the burn pot before they have a chance to burn
completely. You should try to keep about one inch of
ash in front of the burning pellets.
This setting, see above, will produce continuous maximum heat
output with the distribution blower at full speed.
Fig. 21
Shut down Procedure
The best way to shut down the stove is to simply let it
run out of pellets, the stove will shut down automatically.
Alternatively, you can turn the Mode Selector to “off”.
This will cause the fire to gradually die down and go
out. The fire will not go out immediately and may take
more than an hour to fully shut down.
If the stove is left to run out of fuel, you may get a
6 blink status light. If this happens simply reset the
control board by turning the mode selector to OFF and
back ON.
XXV Pellet Stove
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autOMatic Start uP
Starting Fire
igniter Switch to "autO" (down position)
Make sure the unit is plugged into a 120 VAC, 60
HZ electrical source. The power light should be
the only light lit.
See Hint #7.
1"
to avoid unwanted smoke, be sure there is no
fuel in the ash pan prior to lighting.
Fig. 22
Flame Guide
1. turn Mode Selector to "OFF".
2. Fill hopper with pellets.1
3. clean burn pot with scraper, if necessary.5
4. if starting after an empty hopper, turn Feed
adjuster to "teSt" (for one 60 second cycle).2
This will feed pellets into the auger tube and also
allow you to check the motors for operation.
nOte: the auger motor will not operate with
the view door or ash pan door open.3
Fig. 23
5. turn Feed adjuster to #4.4
helpful hints
6. Flip the igniter Switch down into the "AUTO"
position.
1. Fines are small pieces of broken pellets (sawdust). Fines do not
flow easily and often build up on the hopper funnel bottom angles.
You can push these fines into the feeder opening and then fill the
hopper with pellets. As the system works, they will be burned. Or
you can clean them out before filling the hopper.
7. turn the temperature dial to desired room
temperature.
2. The "TEST" cycle will operate the feeder motor for exactly one
minute. Turning to "TEST" again and again may purge too much
fuel into the burn pot causing excessive smoke on start-up.
3. The firebox low pressure switch will not allow the auger motor
or the igniter element to operate if the view door or the ash pan
door are open.
8. turn Mode Selector to Room Temperature or
Stove Temperature.
9. Fill hopper with pellets and remove ashes as
required.6
4. Adjust Feed Rate. If this is your first fire or you are trying different
pellets, set the feed adjuster to #4, Fig. 22. This is a conservative
number and will probably need to be increased. After you know a
feed rate setting that works well, use that setting. Remember, if your
feed rate is too high you may waste fuel.
warning
keeP Viewing and aSh reMOVal dOOrS and
hOPPer lid tightlY clOSed during OPeratiOn.
5. This is usually a weekly maintenance procedure. Cleaning the
burn pot with the scraper with a small amount of new fuel in the
bottom is not a problem. First, scrape the ashes off the front of the
burn pot into the ash pan. Then, scrape the top surface of the burn
pot downward into the base of the burn pot. When the stove is
ignited these scrapings will be pushed out by the feeder and burned.
6. The ash pan can hold the ashes from approximately 1 ton of
premium fuel. This means the ashes will only need to be emptied
a few times a year.
7. Setting the feed adjuster # for maximum burn: With the unit
burning in "AUTO", turn to "Stove Mode" and put the fan on "H".
Set the Temperature Dial to #7. Allow the unit to burn for about 30
minutes and check ash on front of burn pot. Fig. 23. If the ash line
is larger than 1", turn the feed adjuster from #4 to #5. Allow another
30 minutes of burn time and check again. If , at #6 setting, a 1" or
less ash bed is not obtainable, it is not a problem. The 1" ash bed
is only a maximum burn rate and at most normal settings the ash
bed will be larger.
cautiOn
DO NOT USE CHEMICALS OR FLUIDS TO START
THE FIRE. FOR ExAMPLE: NEVER USE GASOLINE,
GASOLINE-TYPE LANTERN FUEL, KEROSENE,
CHARCOAL LIGHTER FLUID, OR SIMILAR LIQUIDS TO
START OR "FRESHEN UP" A FIRE IN THIS HEATER.
KEEP ALL SUCH LIQUIDS WELL AWAY FROM THE
HEATER WHILE IT IS IN USE.
warning
uSe OnlY aPPrOVed FuelS. dO nOt burn
garbage in StOVe.
20
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Manual ignitiOn/OPeratiOn
The XXV Pellet Stove is capable of manual operation. This also allows the operator
to manually control operation during an emergency (i.e. igniter failure, or when using
certain generators.)
The unit can be switched between "AUTO" and "MANUAL" at any time during
operation.
nOte: when starting the unit in "autO" mode
Room Temperature Mode:
This setting, see below, will
produce a room temperature of
70 degrees with the distribution
blower at medium speed.
and switching to "Manual": Once an ignition cycle
has started, it will continue regardless of mode.
Switching from "auto" to "Manual" can be done as
soon as the igniter light comes on.
igniter Switch to "Manual"
room temperature Mode
The fire will have to be lit with starting gel and
a match, or started automatically, see "Automatic
Operation" on Page 20. Turn to "Manual" position after
the ignition cycle starts.
The difference between "AUTO" Room Temperature
Mode and "Manual" Room Temperature Mode is that
the fire will not go out as the room temperature goes
above the control board setting. The unit can only go to
low burn and will remain there until it runs out of fuel or
until more heat is needed and the feed rate increases.
Feed rate adjustments and dial settings are the same as
"AUTO" settings. The blower will shut off completely
if the temperature on the ESP is too low.
Fig. 24
Manual Stove temperature Mode
igniter Switch to "Manual"
Stove temperature Mode
The advantage of this mode is to allow the operator
to have a large viewing fire without blowing extra heat
into the room.
During operation, with the temperature dial set at
#3 or less, the distribution fan will not operate. It is not
necessary to operate the distribution blower below this
point. This control setting allows a higher burn rate (a
larger viewing fire) without an excess of hot air blowing
into the room.
An example of when to use the Manual Stove
Temperature Mode is if you want to watch a large fire
and the room is already up to temperature. The Stove
Temperature Mode allows you to have a larger fire and
a lower sound level, without the distribution blower.
nOte: during the use of this mode, if you
keep increasing the temperature dial setting to
increase the fire size, the distribution blower will
automatically come on when the eSP temperature
reaches 350o F, or 81% output.
Fig. 25
This setting will produce a large viewing fire without
a distribution blower operating.
XXV Pellet Stove
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Manual Start uP
Manual "cold" Start
igniter Switch to "Manual" (up position)
Make sure the unit is plugged into a 120 VAC, 60 HZ
electrical source.
Fig. 27
iMPOrtant: To avoid unwanted smoke, Be sure there
is no fuel or other combustibles in the ash pan prior to
lighting.
Keep all doors closed during operation. Maintain all
seals and gaskets in good condition.
See Hint #7.
1"
Fig. 26
Use only the burn pot, as supplied in the firebox, to
support or contain the burning fuel. No other form of
grate or rack is permitted.
1. turn Feed adjuSter to the desired feed rate.
No. 4 is good for most pellets.4
2. turn the MOde SelectOr to “OFF” and then to
the desired mode. This will reset the control and
start the combustion motor.
Fig. 28
3. turn the teMPerature dial to the desired
setting.
4. clean the burn pot with the scraper, if necessary.5
helpful hints
5. Fill the burn pot with pellets, only level with front
edge. (Do Not Over Fill).
nOte: if an automatic ignition was attempted -
be sure to give the appliance at least 30 minutes
of cooling time before proceeding with these
instructions.
1. Fines are small pieces of broken pellets (sawdust). Fines do not
flow easily and often build up on the hopper funnel bottom angles.
You can push these fines into the feeder opening and then fill the
hopper with pellets. As the system works, they will be burned. Or
you can clean them out before filling the hopper. As the system
works, they will be burned.
2. The "TEST" cycle will operate the feeder motor for exactly one
minute. Turning to "TEST" again and again may purge too much
fuel into the burn pot causing excessive smoke on start-up.
3. The firebox low pressure switch will not allow the auger motor
or the igniter element to operate if the view door or the ash pan
door are open.
4. Adjust Feed Rate. If this is your first fire or you are trying different
pellets, set the feed adjuster to #4, Fig. 26. This is a conservative
number and will probably need to be increased. After you know a
feed rate setting that works well, use that setting. Remember, if your
feed rate is too high you may waste fuel.
5. This is usually a weekly maintenance procedure. Cleaning the
burn pot with the scraper with a small amount of new fuel in the
bottom is not a problem. First, scrape the ashes off the front of the
burn pot into the ash pan. Then, scrape the top surface of the burn
pot downward into the base of the burn pot. When the stove is
ignited these scrapings will be pushed out by the feeder and burned.
6. The ash pan can hold the ashes from approximately 1 ton of
premium fuel. This means the ashes will only need to be emptied
a few times a year.
7. Setting the feed adjuster # for maximum burn: With the unit
burning in "AUTO", turn to "Stove Mode" and put the fan on "H".
Set the Temperature Dial to #7. Allow the unit to burn for about 30
minutes and check ash on front of burn pot. Fig. 28. If the ash line
is larger than 1", turn the feed adjuster from #3 to #4. Allow another
30 minutes of burn time and check again. If , at #6 setting, a 1" or
less ash bed is not obtainable, it is not a problem. The 1" ash bed
is only a maximum burn rate and at most normal settings the ash
bed will be larger.
6. add starting gel on top of the pellets. Stir the gel
into pellets for faster lighting.
See cautiOn belOw. The use of a starting gel that
is commercially marketed for use with pellet stoves
is permitted OnlY when performing a cold start.Also
be sure to perform the above steps in sequence to
ensure combustion blower operation before applying
the starting gel. Follow the starter manufacturer's
instructions for proper application.
7. light the starting gel with a match, and close the
door. Operation will begin when the fire reaches the
proper temperature.3
8. Fill the hopper with pellets and remove ashes as
required.1, 6
cautiOn
DO NOT USE CHEMICALS OR FLUIDS TO START
THE FIRE. FOR ExAMPLE: NEVER USE GASOLINE,
GASOLINE-TYPE LANTERN FUEL, KEROSENE,
CHARCOAL LIGHTER FLUID, OR SIMILAR LIQUIDS
TO START OR "FRESHEN UP" A FIRE IN THIS
HEATER. KEEP ALL SUCH LIQUIDS WELL AWAY
FROM THE HEATER WHILE IT IS IN USE.
22
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room Sensor installation
room sensor installation
Fig. 31
The room sensor is a small temperature sensor
on the end of a 60" wire. This sensor is installed
much like a standard wall thermostat. Because
it is so small, it can be hidden along the trim of a
doorway or even up the leg of a coffee table. There
is a remote room sensor port on the rear of the
unit for easy external connection. Use standard
18-2 thermostat wire to extend the distance to the
desired location (50' maximum). The room sensor
should be installed in the location where you want
to control the temperature.
Fig. 32
In most installations locating the room sensor
behind the stove near the distribution fan works
well because the sensor monitors the room air
being drawn into the distribution fan.
nOte: Distances of more than 25 feet from the
unit or in another room are not recommended. The
room sensor is essential for the XXV's excellent
efficiency.
nOte: it is recommended that the room sensor
be installed, even if only installed on the rear of
the unit as a return air sensor.
XXV Pellet Stove
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Maintenance
removing ashes:
Fuel quality and moisture content will dictate how often
it will be necessary to empty the ash pan.
disposal of ashes
ashes should be placed in a steel container with
a tight fitting lid. the closed container of ashes
should be moved outdoors immediately and placed
on a noncombustible floor or on the ground, well
away from all combustible materials, pending final
disposal. if ashes are disposed of by burial in soil
or otherwise locally dispersed, they should be
retained in the closed container until all cinders
have thoroughly cooled. Other waste shall not be
placed in this container.
Fig. 33
It is recommended that the stove is cold and shut
down for removing the ash pan.
1. Open the front door of the stove and then open the
ash door by pulling downward on the ash lip. Remove
the ash pan (be sure to wear protective gloves if the
stove is not cooled down). See Fig. 33.
2. Slide the ash pan back into the stove, seating it
against the rear of the firebox. Lift the ash lip to
close the ash door and then close the front door of
the stove.
cleaning:
The stove should be cleaned after burning
approximately 1 ton of pellets (50 bags). The cleaner
the stove, the more efficient it will be. You will burn
less pellets and heat output will be greater.
note: Higher ash content pellets will require more
frequent cleaning.
Fig. 34
1. Shut down the stove and disconnect power cord
to insure that all motors are stopped.
2. Clean the heat exchanger with scraper as shown in
fig 34.
3. Brush or scrape the inside of the stove to remove
fly ash.
4. Scrape the burn pot with the flat end of the scraper
provided with the stove. Inspect the holes on the burn
pot surface. See Fig. 35.
5. Open the burn pot clean-out. Clean fly ash from the
burn pot and replace the cover. See Figures 39 and
40 on page 26.
Fig. 35
6. Remove the ash pan and dispose of ashes in an
approved manner, according to local codes.
24
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Maintenance
7. Remove the combustion blower by loosening the
3 wing nuts, twisting the combustion blower mount
plate counterclockwise to unlock, and pulling the
blower out.
8. Clean the combustion blower wheel with a brush and
a vacuum cleaner. Note: Do not use a household
vacuum to clean the stove. We recommend that you
use a shop vacuum that is equipped with a fine dust
filter called a HEPAfilter or a vacuum specially made
for fly ash and soot. USING A VACUUM WHICH IS
NOT EQUIPPED WITHAFINE DUST FILTER WILL
BLOW FLYASHAND SOOTOUTINTOTHE ROOM.
NOTE: THE STOVE MUST BE COMPLETELY
OUT BEFORE YOU VACUUM THE STOVE.
LIVE PELLET EMBERS, IF SUCKED INTO THE
VACUUM, WILL LIGHT THE VACUUM ON FIRE
AND MAY ULTIMATELY CAUSE A HOUSE FIRE.
Fig. 36
9. Use a brush to clean the flue, being careful not to
damage the ESP probe.
10. Reinstall the combustion blower by turning plate
clockwise to lock into place and tightening the 3 wing
nuts. Be sure the fan plate is flush with the exhaust
housing on the stove body and the motor armature
points up toward the hopper.
Brush, not
supplied, can
be found in
11. Slide ash pan into the stove and latch the door.
hardware stores.
Soot and Fly ash
Fig. 37
Formation and need for removal - The products
of combustion will contain small particles of flyash.
The flyash will collect in the exhaust venting system
and restrict the flow of the flue gases. Incomplete
combustion, such as occurs during startup, shutdown,
or incorrect operation of the room heater will lead to
some soot formation which will collect in the exhaust
venting system. the exhaust venting system should
be inspected at least once every year to determine
if cleaning is necessary.
Removing fly ash and soot improves efficiency
and insures that the flue venting passageway is clear
and unobstructed. The stove should be cleaned after
each ton of pellets (50 bags) and the venting system
inspected and cleaned after each heating season.
ESP
Probe
Be careful not
to damage ESP
probe when
cleaning with
brush.
if You experience a Soot or creosote Fire; Turn
the mode slector dial to the "OFF" position. Allow the
unit to shut-down. do nOt disconnect the power to
the appliance. do nOt open the appliance door
or hopper lid. Contact your dealer to have the unit
professionally inspected and cleaned prior to use.
Fig. 38
XXV Pellet Stove
25
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Maintenance - burn Pot
burn Pot cleaning and Maintenance
1. Scrape the top holed surface and sides of the burn
pot. (Fig 39) It is not necessary to completely remove
all loose material from the burn pot. The excess will be
pushed out during the next use.
danger
Disconnect the power to the unit before
removing cover.
2. Loosen the (2) wing thumb screws on the lower front
angle of the burn pot. (Fig. 39)
3. Lift off the clean-out cover (Fig.40) to open the bottom
clean-out chamber. (Fig.41)
4. Clean ash buildup from inside the chamber while
cover is off. Use the scraper to tap on the top front
edge of the burn pot. This will help knock pieces of ash,
loosened by the scraping process, down through the
holes. It also helps knock scale off of the igniter element.
Fig. 39
Figure 41
The igniter is made to be removable for service
by insulated male/female wire connectors. These
connections between the hot leads (the wires inside the
burn pot) and the cold leads (the wires from the control
board) are always pulled to the rear of the feeder body.
(not coiled inside the burn pot.)
It is very important that these connections are to the
inside rear of the feeder body. Also, the extra wire of
the igniter wire service loop must be pulled out through
the rear of the feeder and tied up so that it will not be
damaged by any moving parts.
Fig. 40
note: the hot lead/cold lead connection must
always be pulled to the rear of the feeder body
before operation.
warning
use caution when cleaning burn pot clean-
out chamber. do not damage the high
temperature igniter wires.
creosote Formation and the need For removal:
Whenever wood is burned, there is a potential for
creosote formation. The venting system should be
inspected periodically during the heating season to
determine if a creosote buildup has occurred. If a
significant layer of creosote has accumulated (3 mm
or more), it should be removed to reduce the risk of a
chimney or venting system fire.
Burn pot igniter
Viewed from below through the ash pan opening.
Fig. 41
26
XXV Pellet Stove
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Maintenance
Pellet fines will accumulate in the feeder body over
a period of time; therefore, a yearly inspection and
cleaning of this must be performed.
Two 5/16" socket hex screws on each side.
To clean out fines:
1. Remove right rear cover panel.
2. Remove wing nut and feeder cover on the right side
of the feeder. See Fig. 43.
3. Use a vacuum cleaner to remove all fines.
4. Reinstall feed cover, wing nut, and right rear cover
panel.
Fig. 42
Feeder cover gasket
Feeder
cover
Wing
Nut
Pellet Fines will build
up in this area
Fig. 43
Viewing glass
The glass in your Harman stove is a special ceramic
glass.
the channels and raised areas of the door itself.
Lay the glass retainers into position and install the
screws. Tighten each screw evenly to avoid making
any stress points.
•
•
•
Do not abuse the glass by striking or slamming the
door.
Never burn the appliance if the door glass is
cracked or broken.
Replace only with Harman supplied 5mm ceramic
glass.
Soot and/or fly-ash may accumulate on the viewing
glass, and will ocassionally need to be cleaned. Clean
the glass with a soft cloth and mild glass cleaner. Do
not clean the glass when hot, and avoid the use of
abrasive cleaners.
Gasket
Glass
Glass replacement
Carefully remove all remaining glass and gasket
materials prior to replacing the glass.
Lay the door face down on a flat surface. Remove the
glass retainers and screws. Apply the gasket material
to the face of the new glass. Lay the glass into the
door, making sure that the glass is contained within
Screws &
Retainers
XXV Pellet Stove
27
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Options
XXV top Flue Option
The Top Flue option attaches to the exhaust on the rear of the stove, and extends it to the top with a
six inch stub.
This gives the appearance of a wood stove and also allows venting with existing single wall, connector.
A 12 inch piece of 4" pellet vent is included to act as an insulator only. Note: The top flue adaptor is not
approved for use with pellet vent pipe. It is only tested for use with chimney connector (6- inch pipe) into
an existing "class A" chimney.
harman Part #1-00-677120
Side View
direct Vent wall Passthrough
harman Part #1-00-677077
The Harman Direct Vent Wall Passthrough makes
installing your Harman Pellet Stove with outside air a
lot easier. It is made to fit walls from 4 1/2" up to 10 1/8"
thick with a square opening of 6" to 6 1/2".
Outdoor Half
Indoor Half
Adjustable from 4 1/2" to 10 5/8" wall thickness
Passthrough
hole for 3" PL
vent pipe
28
XXV Pellet Stove
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trouble-Shooting
StOVe dOeS nOt Feed
1. No fuel in hopper.
SMOke iS ViSible cOMing Out OF Vent
1. Air-fuel ratio is too rich.
A. Feed rate too high.
B. Draft too low caused by a gasket leak.
2. Firebox draft may be too low for sensing switch in
feeder circuit to operate. check for closed doors,
loose or missing gasket on doors or hopper lid.
3. Hopper lid must contact the lid position switch.
4. Feed motor will not run until the ESP control senses
a certain temperature. Maybe you did not put enough
fuel or starting gel in the burn pot before manually
lighting the fire.
lOw heat OutPut
1. Feed rate too low
2. Draft too low because of gasket leak.
3. Poor quality or damp pellets
4. Combination of 1 and 2.
5. Restriction in the hopper or feeder. Remove all fuel
and examine. Clear the obstruction.
6. Feed motor has failed.
PartiallY burned PelletS
1. Feed rate too high.
2. Poor air to fuel mixture. (Check burn pot clean-out
cover and air intake).
3. Burn pot or heat exchanger tubes may need to
be cleaned.
helpful hints
cleaning burn Pot
Whenever your stove is not burning, take the
opportunity to scrape the burn pot to remove carbon
buildup. A vacuum cleaner is handy to remove the
residue. be sure the stove is cold if you use a
vacuum.
Carbon buildup can be scraped loose with the fire
burning using the special tool provided with your stove.
Scrape the floor and sides of the burn pot. The carbon
will be pushed out by the incoming fuel. Always wear
gloves to do this.
4. Combination of all the above.
5. #6 status blink: A 6 blink control board status
indication is caused by poor or incomplete combustion.
The circuit board has the ability to track the combustion
through feed settings and ESP temperatures. When
the control board has calculated poor or incomplete
combustion, it will shut down the unit as a safety
feature. (Poor or incomplete combustion is a
contributor of creosote which may cause a chimney
fire)
A 6 blink status may be caused by several things:
1. Blocked or partially blocked flue.
2. Blocked or partially blocked inlet air.
a. Backdraft damper on the inlet pipe may be
stuck closed.
b. If outside air is installed, the inlet cover may
be blocked.
3. The air chamber under the burnpot may be filled
with fines and small bits of ash.
4. The holes in the burnpot may be getting filled with
ash or carbon buildup.
5. Combustion blower fan blades may need cleaned.
6. Fuel restrictions as noted above.
removing ashes
Turn the Temp Dial to number 1 approximately 30
minutes before removing ashes. This will result in a
cooler stove and ash pan.
Maximum Feed Adjuster settings are not needed
in most cases. Operating in the normal range (#4)
is recommended when maximum heat output is not
required. The ESP probe prevents the stove from being
over-fired.
Keep the stove free of dust and dirt.
Fuel
See page 3 for detailed fuel information.
Wood Pellet size is regulated at .23" to .35" in diameter
with a maximum length of 1.5" long.
Pellet fuels are put into 3 categories in terms of ash
content. Premium at 1% or less, Standard at 3% or less
and all others at 3% or more.
The XXV is capable of burning all 3 categories of
pellets or a mixture of up to 50% shelled corn and
pellets.
It should be noted, fuels with higher ash content will
require more frequent; ash removal, scraping of the burn
pot, increased cleaning frequency and may provide less
BTU's per pound.
SMOke SMell
Seal the vent pipe joints and connection to stove
with silicone. The exhaust vent is the only part of the
system that is under positive pressure.
Fire haS gOne Out- check for status light.
1. No fuel in hopper.
2. Draft is too low, blocked flue.
3. Something is restricting fuel flow.
4. Hopper lid not closed properly.
5. Feed motor or combustion blower has failed.
The moisture content of pellets must not exceed 8%,
and Corn 15%. Higher moisture will rob BTU's and may
not burn properly.
Fuel should not be stored within the stove installation
clearances or within the space required for charging and
ash removal. See Page 7.
XXV Pellet Stove
29
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Specifications
26 1/2"
24 1/4"
28 3/8"
29"
4"
weight
blower
375 lbs.
150 cfm
Feed rate
hopper capacity
Fuel
Flue Size
Outside air Size
Fuse rating
approx. 1lb. to 5.75 lbs/hr.
65 lbs
wood Pellets or corn/Pellet mixture
3 inch or optional 6" top exit
2 3/8" i.d. inch
6 amp
wiring diagram
HARMAN ACCENTRA & XXV PELLET STOVE WIRING DIAGRAM
MALE/FEMALE CONNECTIONS
BROWN
WHITE
GREEN WIRE IS GROUND
BONDED TO STOVE BODY
REMOTE SENSOR PORTS
6 AMP GLASS FUSE
ESP
CONTROL
BOARD
1
3
4
5
WHITE
6
8
9
10
11
DK BLUE
ESP PROBE
MALE/FEMALE CONNECTIONS
HOPPER LID SWITCH
N.O. CONTACTS
LOW PRESSURE SWITCH
N.O. CONTACTS
LT.BLUE
BROWN
1
MALE/FEMALE CONNECTIONS
PLUGGED
WHITE
WHITE
WHITE
WHITE
EMPTY
YELLOW
BLUE
2
3
4
5
6
OUTBOARD
FEEDER MOTOR
7
COMBUSTION MOTOR
8
IGNITER ELEMENT
INSIDE BURNPOT
9
RED
10
11
BLACK
MAX WATTS - 440 @ 120VAC 60Hz = 3.6 A
STANDARD USE WATTS - 180 @ 120VAC 60Hz = 1.5 A
PART NO. 3-90-00777
30
XXV Pellet Stove
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addendum
Minimizing Smoke during loss of Power using battery back-up
harmanTM strongly recommends installing battery back-up to minimize entry of smoke into the
room in the event of power loss.
Your pellet/biomass burning appliance relies on a combustion blower to remove exhaust. A power failure
will cause the combustion blower to stop. This may lead to exhaust seeping into the room. Vertical rise in
the venting may provide natural draft. It is, however, no guarantee against leakage.
there are two harmanTM approved battery back-up options for your appliance:
uninterruptible Power Supply (uPS) UPS battery back-ups are available online or at computer and
office equipment stores. Your HarmanTM appliance with Rev E or later software available beginning in
November 2010 may be plugged directly into a HarmanTM approved UPS:
The APC (American Power Conversion) model #BE750G and the TrippLite model
•
INTERNET750U are tested and approved. Other brands or models may not be compatible.
When power is lost, a fully charged UPS will power a safe, combustion blower only shut-down. Your
appliance will pulse the blower every few seconds to clear exhaust until the fire is out. nOte: the uPS
provides safe shut-down only. it is not intended for continued operation.
Your appliance will recognize when power is restored. What happens depends on ESP temperature and
whether it is equipped with automatic ignition:
in “automatic” setting, units equipped with automatic ignition will respond to the set point and
ESP temperature and resume normal operation.
•
in “Manual” setting or for units without automatic ignition:
•
If the ESP is cool, the appliance will remain shut down.
•
•
If the fire is out and the ESP is still warm, the feeder may restart. Since the fire is out, the
ESP temperature will not rise. The unit will then shut-down, and may flash a six-blink status
error. (See ESP error codes)
If the fire is still burning, it will resume normal operation.
•
Contact your dealer if you have questions about UPS compatibility with your appliance.
harman Surefire 512h battery back-up The 512H connects to a 12 volt deep cycle battery that will run
your appliance for up to eight (8) hours. It includes a trickle charge feature that keeps your battery
charged when power is available. nOte: if the power is out for longer than battery life, smoke
leakage may still occur unless your stove has been safely shut down.
cautiOn! always keep appliance doors and hopper lid closed and latched during
operation and during power failures to minimize risk of smoke or burn-back.
cautiOn! use only harmantM approved battery back-up devices. Other products may not
operate properly, can create unsafe conditions or damage your appliance.
XXV Pellet Stove
31
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Hearth & Home Technologies Inc.
LIMITED LIFETIME WARRANTY
Hearth & Home Technologies Inc., on behalf of its hearth brands (”HHT”), extends the following warranty for
HHT gas, wood, pellet, coal and electric hearth appliances that are purchased from an HHT authorized dealer.
WARRANTY COVERAGE:
HHT warrants to the original owner of the HHT appliance at the site of installation, and to any transferee taking ownership
of the appliance at the site of installation within two years following the date of original purchase, that the HHT appliance
will be free from defects in materials and workmanship at the time of manufacture. After installation, if covered compo-
nents manufactured by HHT are found to be defective in materials or workmanship during the applicable warranty period,
HHT will, at its option, repair or replace the covered components. HHT, at its own discretion, may fully discharge all of its
obligations under such warranties by replacing the product itself or refunding the verified purchase price of the product
itself. The maximum amount recoverable under this warranty is limited to the purchase price of the product. This warranty
is subject to conditions, exclusions and limitations as described below.
WARRANTY PERIOD:
Warranty coverage begins on the date of original purchase. In the case of new home construction, warranty coverage
begins on the date of first occupancy of the dwelling or six months after the sale of the product by an independent,
authorized HHT dealer/ distributor, whichever occurs earlier. The warranty shall commence no later than 24 months
following the date of product shipment from HHT, regardless of the installation or occupancy date. The warranty period for
parts and labor for covered components is produced in the following table.
The term “Limited Lifetime” in the table below is defined as: 20 years from the beginning date of warranty coverage for
gas appliances, and 10 years from the beginning date of warranty coverage for wood, pellet, and coal appliances. These
time periods reflect the minimum expected useful lives of the designated components under normal operating conditions.
Warranty Period
Parts Labor
HHT Manufactured Appliances and Venting
EPA
Components Covered
Gas
X
Wood Pellet
Coal Electric Venting
Wood
All parts and material except as
covered by Conditions,
Exclusions, and Limitations
listed
1 Year
X
X
X
X
X
X
Igniters, electronic components,
and glass
X
X
X
X
X
X
2 years
X
X
X
Factory-installed blowers
Molded refractory panels
3 years
X
X
Firepots and burnpots
Castings and baffles
5 years 1 year
X
X
Manifold tubes,
HHT chimney and termination
7 years 3 years
X
X
10
1 year
years
X
X
X
Burners, logs and refractory
Firebox and heat exchanger
Limited
3 years
Lifetime
X
X
X
X
X
X
X
X
All replacement parts
beyond warranty period
90 Days
X
X
See conditions, exclusions, and limitations on next page.
4021-645C 12-29-10
Page 1 of 2
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WARRANTY CONDITIONS:
•
This warranty only covers HHT appliances that are purchased through an HHT authorized dealer or distributor. A list of
HHT authorized dealers is available on the HHT branded websites.
•
•
This warranty is only valid while the HHT appliance remains at the site of original installation.
Contact your installing dealer for warranty service. If the installing dealer is unable to provide necessary parts, contact
the nearest HHT authorized dealer or supplier. Additional service fees may apply if you are seeking warranty service
from a dealer other than the dealer from whom you originally purchased the product.
•
Check with your dealer in advance for any costs to you when arranging a warranty call. Travel and shipping charges
for parts are not covered by this warranty.
WARRANTY EXCLUSIONS:
This warranty does not cover the following:
•
•
•
Changes in surface finishes as a result of normal use. As a heating appliance, some changes in color of interior and
exterior surface finishes may occur. This is not a flaw and is not covered under warranty.
Damage to printed, plated, or enameled surfaces caused by fingerprints, accidents, misuse, scratches, melted items,
or other external sources and residues left on the plated surfaces from the use of abrasive cleaners or polishes.
Repair or replacement of parts that are subject to normal wear and tear during the warranty period. These parts
include: paint, wood, pellet and coal gaskets, firebricks, grates, flame guides, light bulbs, batteries and the discolor-
ation of glass.
•
•
Minor expansion, contraction, or movement of certain parts causing noise. These conditions are normal and com-
plaints related to this noise are not covered by this warranty.
Damages resulting from: (1) failure to install, operate, or maintain the appliance in accordance with the installation
instructions, operating instructions, and listing agent identification label furnished with the appliance; (2) failure to
install the appliance in accordance with local building codes; (3) shipping or improper handling; (4) improper opera-
tion, abuse, misuse, continued operation with damaged, corroded or failed components, accident, or improperly/
incorrectly performed repairs; (5) environmental conditions, inadequate ventilation, negative pressure, or drafting
caused by tightly sealed constructions, insufficient make-up air supply, or handling devices such as exhaust fans or
forced air furnaces or other such causes; (6) use of fuels other than those specified in the operating instructions; (7)
installation or use of components not supplied with the appliance or any other components not expressly authorized
and approved by HHT; (8) modification of the appliance not expressly authorized and approved by HHT in writing;
and/or (9) interruptions or fluctuations of electrical power supply to the appliance.
•
•
•
Non-HHT venting components, hearth components or other accessories used in conjunction with the appliance.
Any part of a pre-existing fireplace system in which an insert or a decorative gas appliance is installed.
HHT’s obligation under this warranty does not extend to the appliance’s capability to heat the desired space. Informa-
tion is provided to assist the consumer and the dealer in selecting the proper appliance for the application. Consider-
ation must be given to appliance location and configuration, environmental conditions, insulation and air tightness of
the structure.
This warranty is void if:
•
The appliance has been over-fired or operated in atmospheres contaminated by chlorine, fluorine, or other damaging
chemicals. Over-firing can be identified by, but not limited to, warped plates or tubes, rust colored cast iron, bubbling,
cracking and discoloration of steel or enamel finishes.
•
•
The appliance is subjected to prolonged periods of dampness or condensation.
There is any damage to the appliance or other components due to water or weather damage which is the result of, but
not limited to, improper chimney or venting installation.
LIMITATIONS OF LIABILITY:
•
The owner’s exclusive remedy and HHT’s sole obligation under this warranty, under any other warranty, express or
implied, or in contract, tort or otherwise, shall be limited to replacement, repair, or refund, as specified above. In no
event will HHT be liable for any incidental or consequential damages caused by defects in the appliance. Some states
do not allow exclusions or limitation of incidental or consequential damages, so these limitations may not apply to you.
This warranty gives you specific rights; you may also have other rights, which vary from state to state. EXCEPT TO
THE EXTENT PROVIDED BY LAW, HHT MAKES NO EXPRESS WARRANTIES OTHER THAN THE WARRANTY
SPECIFIED HEREIN. THE DURATION OF ANY IMPLIED WARRANTY IS LIMITED TO DURATION OF THE
EXPRESSED WARRANTY SPECIFIED ABOVE.
4021-645C 12-29-10
Page 2 of 2
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Addendum for Burning Corn and Pellet Fuel Mixture
Harman pellet burning, free-standing stoves and inserts have been tested to ASTM E1509 for burning shelled corn
in a mixture with wood pellets. The listing approves up to a 50% corn and 50% pellet mixture. Different mixtures of
corn will have distinctively different burn characteristics depending upon moisture content and variety. The operator
should closely monitor the stove’s operation when burning a new corn/pellet mixture or a different variety of corn,
and make any necessary adjustments to feed rate. Since corn is typically higher in ash and moisture content, cleaning
and ash removal will be needed more frequently.
Operation in Stove Temp mode
Set feed adjuster to # 3. Set temperature knob to #3, Turn mode selector knob onto “Stove Temp”mode. After the fire
has lit, watch that the fuel does not feed too fast that it pushes the red glowing fuel bed off of the burn pot grate. If it
does, lower the feed adjuster setting or use a lower percentage of corn in the mixture. After the stove has burned for
10 minutes and the entire fuel bed is burning, the feed adjuster and temperature knobs may be adjusted for higher
heat output if desired. Maximum feed has been reached when the fire bed is about ½ to 1 inch from the end of the
burn pot. Settings will vary with different types, moisture levels and mix ratios of corn. If you are having difficulty burn-
ing a 50% corn / 50% wood pellet mixture, try a lower percentage of corn.
Operation in Room Temp mode
Set feed adjuster to # 2 or # 3. Set temperature knob to desired amount. Turn mode selector knob onto “Room Temp”
mode. After the fire has lit, watch that the fuel does not feed too fast that it pushes the red glowing fuel bed off of the
burn pot grate. After the stove has burned for 10 minutes and the entire fuel bed is burning, the feed adjuster may be
set to a higher output level if desired. Maximum feed has been reached when the fire bed is about ½ to 1 inch from
the end of the burn pot. It is recommended that after burning at the desired settings, turn the stove off and allow it to
cool, then turn it back on in “Room Temp”mode and watch the stove restart and verify correct operation. Settings will
vary with different types, moisture levels and mix ratios of corn. If you are having difficulty burning a 50% corn 50%
wood pellet mixture, try a lower percentage of corn.
Changes to Maintenance Schedule
Wood pellets average around 6% moisture content or less. Corn will be 14 or 15% moisture. With more moisture in
the fuel, more maintenance will be incurred. Burn pot scraping may need to be done once per day. The ash pan will fill
more quickly and may need emptied weekly. Most importantly, remove the burn pot cleanout cover weekly to clean
the air passage and the igniter element. Excessive buildup on the igniter may lead to shortened igniter life.
Venting Consideration: Check with your venting manufacturer regarding possible exclusions when a mixture of corn
and pellets is burned.
Loosen these two wing screws for access
to clean the air passage and igniter.
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XXV Pellet Stove
Service Parts
beginning Manufacturing date: n/a
ending Manufacturing date: active
Pellet Stove
retired units:
active
1-90-00677-1 (black),
1-90-00677-14 (Majolica brown)
1-90-00677-19 (bronze)
1-90-00677-5 (honey glo)(june 2009)
1-90-00677-10 (Mojave red) (jan 2010)
1-90-00677-12 (Forest green)( jan 2010)
1-90-00677-2 (charcoal) (june 2011)
1-90-00677-3 (goldenfire) (june 2011)
1-90-00677-4 (Metallic blue) (jan 2010)
1-90-00025-2 (25th anniversary edition) (june 2009)
1
2
4
3
5
6
9
7
8
43 & 44
42
11
10
41
12
13
14
40
16
15
39
37
38
36
17
21
35
18
19
20
34
22
23
32
33
30
29
31
24
28
27
26
Part number list on following page.
04/12
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XXV Pellet Stove
Service Parts
beginning Manufacturing date: n/a
ending Manufacturing date: active
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement
parts for your appliance please provide model number and serial number. All parts listed
in this manual may be ordered from an authorized dealer.
Stocked
at depot
ITEM
DESCRIPTION
COMMENTS
PART NUMBER
1
2
3
4
Pellet Tailpipe Cast
3-00-247237
1-00-07381
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Gasket, Tail Pipe/Burn Pot
Right Feeder Shield
Left Feeder Shield
Pkg of 5
1-10-677085A
1-10-677084A
1-10-677800A
1-10-677190A
1-00-375501
3-20-232108
3-20-6866
Pre 12871
Post 12871
5
Hopper Assembly
Gasket, Hopper Top
Hopper Switch
6
7
8
Differential Switch
Gasket, Burn Pot\Tailpipe
Combustion Blower
5" Double Blade
Mounting Plate
Pkg of 5
1-00-07381
3-21-08639
3-20-502221
1-10-677006
3-44-677037
2-00-06695L
2-00-06694
9
Hopper Insulation
Hopper Hinge Plate
Hinge
10
11
Qty. 2 Req.
Gold
3-43-02000
12
Hopper Knob
Brushed Nickel
3-43-02000-8
3-40-247100
1-00-0669697
1-00-375501
1-00-129004
4-00-677057P
1-10-677057-19
1-10-677057-14V
1-10-677057-14
4-00-677055P
1-10-677055-19
1-10-677055-14V
1-10-677055-14
1-00-12302
13
14
Hopper Lid, Glass
Y
Y
Y
Y
Hopper Lid Latch (Male and Female)
Hopper Lid Gasket
2 Sets
Screw Post Kit
20 Sets
Plain
Top
Bronze
15
16
Pre 008206292
Post 008206292
Plain
Top, Brown
Left Side
Bronze
Pre 008206292
Post 008206292
Pkg of 4
Left Side, Brown
17
18
19
20
Leveler Feet
Airwash Reducer
Ash Door Stop
1-00-677300
2-00-677096B
2-00-677025B
4-00-677058P
1-10-677058-19
1-10-677058-14V
1-10-677058-14
Ash Door Gasket Retainer
Plain
Ashlip
Bronze
21
Pre 008206292
Post 008206292
Ashlip, Brown
Additional service part numbers appear on following page.
04/12
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XXV Pellet Stove
Service Parts
beginning Manufacturing date: n/a
ending Manufacturing date: active
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement
parts for your appliance please provide model number and serial number. All parts listed
in this manual may be ordered from an authorized dealer.
Stocked
at depot
iteM
22
deScriPtiOn
cOMMentS
Part nuMber
Ash Pan
1-10-677044
Y
23
Ash Door Weldment
Cable Lanyard
1-10-677026A
3-31-677070
24
Plain
1-10-677099A
1-10-677099A-19
1-10-677099-14V
1-10-677099A-14
4-00-674053A
4-00-674053-14S
4-00-674053-14A
1-00-00888
Y
Y
Y
Y
Y
Y
Y
Y
Load Door Assembly
Bronze
25
Pre 008206292
Post 008206292
Plain
Load Door Assembly, Brown
Door Only w/Rope
Pre 008206292
Post 008206292
30 Ft
Door Only w/Rope, Brown
Door Rope
Air Grill
Plain
3-00-677004P
3-40-677000
Door Glass
Y
Y
Y
Glass Clips and Hardware
Glass Rope
Pkg of 4
10 Ft
1-00-249140
1-00-1186258229
Handle Assembly (2 Sets)
1-00-249119
Y
Y
Contains: Handle, 6 mm Washer, SHCS, handle, Dowel, Plunger, SSS, Bhcs
Wooden Handle
Pkg of 2
1-00-00249
26
27
Letters
2-00-677022S
1-10-00675
Burn Pot
Y
Y
Y
Y
Y
Clean Out Cover
Thumb Screw
Flame Guide
2 Sets
1-00-06623
Pkg of 10
3-31-782108-10
3-00-03000
28
29
30
31
Ceramic Insert Gasket
Distribution Blower Mount Plate
Distribution Blower
3-44-724114
2-00-677006L
1-00-29145
Y
Wire Kit (Needed for Bay Motor to EBM)
no longer available 1-00-29045
Distribution Blower Box
Extension Spring
2-00-677023B
3-31-2181
32
33
Hinge Plate
Qty. 2 req.
Plain
3-00-674047
4-00-677056P
1-10-677056-19
1-10-677056-14V
1-10-677056-14
2-00-677039B
2-00-677035B
2-00-677038B
2-00-677041B
Right Side
Bronze
34
Pre 008206292
Post 008206292
Right Side, Brown
35
36
37
38
Air Jacket Filler Plate
Air Jacket
Hopper Heat Shield
Distribution Blower Heat Shield
Additional service part numbers appear on following page.
04/12
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XXV Pellet Stove
Service Parts
beginning Manufacturing date: n/a
ending Manufacturing date: active
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement
parts for your appliance please provide model number and serial number. All parts listed
in this manual may be ordered from an authorized dealer.
Stocked
at depot
iteM
39
description
Combustion Box Heat Shield
cOMMentS
Part nuMber
2-00-677040B
40
Rear Shield Spacer
2-00-677087L
41
Rear Shield Retainer
2-00-677086L
42
Combustion Assembly Insulation
3-44-677042
43.1
#43 Feeder assembly
Pre Serial number 12871
43.2
43.17
43.3
43.4
43.16
43.15
43.14
43.13
43.7
43.9
43.10
43.6
43.12
43.5
43.8
43
Feeder Assembly
Pre 12871
1-10-677153A
1-10-677016W
43.1
43.2
Air Intake Weldment
Feeder Weldment
1-10-677150
1-10-08037
1-10-01530
1-00-677152
3-20-08752
1-10-677005
1-00-06626
3-31-00075
2-00-06626M
3-50-0667
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
43.3
Slide Plate Assembly
Pusher Arm Assembly
Feed Cover and Gasket
Gear Motor, 4 RPM
Bracket, Gear Motor
Sprocket Replacement Kit
3/4 Feeder Tensioner
3 1/2" Sprocket
43.4
43.5
2 Sets
43.6
43.7
43.8
43.9
43.10
43.11
43.12
43.13
43.14
43.15
43.16
43.17
Chain - 60 Pin
3 1/2" Sprocket w/Hub
Cast Cam Block
1-10-08550W
3-00-00153
3-31-3014
Cam Bearing
Bearing Flange w/Hardware
Auger Assembly
1-00-04035
3-50-00465
1-10-06466W
3-44-72224-6
1-00-67900
1-00-677150
Air Intake Damper Assembly
Gasket, Feeder, Air Intake
Feeder Air Crossover Kit
Feeder Replacement Kit
Pkg of 6
Y
Y
Y
Additional service parts on following page.
04/12
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XXV Pellet Stove
Service Parts
beginning Manufacturing date: n/a
ending Manufacturing date: active
#44 Feeder assembly Post Serial number 12871
44.15
44.16
44.12
44.14
44.13
44.1
44.2
44.11
44.10
44.3
38.9
44.4
44.5
44.8
44.7
44.6
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement
parts for your appliance please provide model number and serial number. All parts listed
in this manual may be ordered from an authorized dealer.
Stocked
at depot
iteM
44
description
cOMMentS
Part nuMber
1-10-677189A
Feeder Assembly
Post 12871
441
44.2
44.3
Pellet Feeder Gear Motor, 4 RPM
UL Feeder Cam Bearing
Feeder Air Crossover Kit
9MM Silicone Tube
3-20-00677
Y
Y
Y
Y
3-31-3014
1-00-67900
5 Ft
1-00-511427
1-10-06810A
3-44-72224-6
1-10-677183
3-44-677160-10
1-10-724132
1-10-677131W
2-00-677138-10
1-00-677122
1-10-677121A
3-50-00565
44.4
44.5
44.6
44.7
44.8
44.9
Pellet Air Intake Assembly
Gasket Feeder Air Intake
UL Feeder Air Intake
Pkg of 6
Pkg of 10
Y
Gasket Ultra Air Intake
Ultra Feeder Weldment
UL Feeder Pusher Arm
Y
Y
Y
no longer available
44.10 Fines Deflector
44.11 Gasket, UL Feeder Cover
44.12 Slide Plate Assembly
Y
Y
Y
Y
Y
Y
Y
44.13 UL Feeder Auger Assembly
44.14 Bearing Flange w/Hardware
44.15 UL Feeder Gear Motor Bracket w/Grommet
44.16 UL Feeder Cam Block
1-00-04035
1-00-247406
3-00-677154
3-44-677185
Gasket, Hopper Throat
Additional service parts on following page.
04/12
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XXV Pellet Stove
Service Parts
beginning Manufacturing date: n/a
ending Manufacturing date: active
IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement
parts for your appliance please provide model number and serial number. All parts listed
in this manual may be ordered from an authorized dealer.
Stocked
at depot
iteM
deScriPtiOn
Arrow Burn Pot Scraper
cOMMentS
Part nuMber
Pkg of 10
2-00-773850-10
Diagnostice Display Module
Draft Meter Assembly
Control Board
3-20-05401
1-00-00637
1-00-05886
3-20-49447-5
1-00-015605
1-00-18186618
3-20-677200
1-00-06620
3-20-39685
3-20-07625
3-20-00906
3-42-6252
Y
Y
Y
Y
Y
Y
Y
Y
Y
6 Amp Fuse
Pkg of 5
25 Sets
1 Set
Knob, Control Board/D-shaft
Hopper Muffler and Fitting
Igniter
Igniter Cradle, Holder, & Flat Bottom
Power Cord
3 Sets
Rocker Switch
Room Sensor
Y
Pre 008206292
Post 008206292
12 oz Can
Touch Paint, Enamel Brown
3-42-0014
Touch up Paint, Black
Touch Up Paint, Bronze
3-42-1990
3-42-00019
3-20-11744
3-20-00844
3-20-00607
3-20-08727
Y
Y
Y
Y
Y
Pre 008200828
Post 008200828
Thermister Probe (ESP Probe)
Thermostat Extension
Wiring Harness
hardware Packages
Bolt, Case Hardened Zinc Flange, 1/4-20 x 3/8
Bolt, Grade 8.2 Zinc Flange SAE, 1/4-20 x 5/8
Nut, Zinc Plated Serrated Flange Lock, 1/4-20
Nut, Grade 5 Zinc Plated Finished Hex, 5/16”-18
Nut, Grade 8 Yellow Zinc Finished Hex, 5/16”-18
Screw, Hex Washer Head TEKS Drill and Tap, #8-18 x 3/4”
Screw, Alloy Steel Black Oxide Cup Point SSS, 1/4”-20 x 1-1/2”
Screw, Alloy Steel Black Oxide SocketHeadCap,1/4”-20 x 2-1/4”
Screw, BLK OX, HWH TCS 10-24X1/2
Pkg of 50
Pkg of 50
Pkg of 100
Pkg of 100
Pkg of 100
Pkg of 100
Pkg of 25
Pkg of 50
Pkg of 100
Pkg of 50
Pkg of 50
Pkg of 50
Pkg of 4
3-30-2000-50
3-30-2002-50
3-30-8024-100
3-30-8005-100
3-30-8006-100
3-30-5003-100
3-30-2011-25
3-30-3006-50
3-30-1101-100
3-30-1115-50
3-30-1132-50
3-30-1111-50
2-00-677027-4
3-30-0202-100
3-30-0303-100
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Screw, Grade 5 Zinc Plated Hex Cap, 1/4-20 x 1”
Screw, Grade 5 Zinc Plated Hex Cap. 3/8-16 x 1/2”
Screw, Hex Washer Slot T23 Zinc Thread Cutting ,1/4-20x5/8”
Shim Set
Washer, Zinc Plated USS Flat Washer, 1/4”
Washer,External Lock, 5/16” Zinc Plated
Pkg of 100
Pkg of 100
Y
Y
04/12
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Service & Maintenance log
Date Of Service
Performed By
Description Of Service
41
XXV Pellet Stove
Download from Www.Somanuals.com. All Manuals Search And Download.
Service & Maintenance log
Date Of Service
Performed By
Description Of Service
XXV Pellet Stove
42
Download from Www.Somanuals.com. All Manuals Search And Download.
Download from Www.Somanuals.com. All Manuals Search And Download.
At Harman, we build each product to a standard, not a price.
This powerful heating appliance boasts uncompromising
attention to detail and helps preserve our planet by using
environmentally responsible fuels.
(Signature of Boxer)
Your premium quality hearth product designed and assembled
by the experienced and skilled members at Harman in Halifax,
PA, USA.
Proudly Printed On 100% Recycled Paper
Download from Www.Somanuals.com. All Manuals Search And Download.
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