Keeping
North America Warm
Since 1869
CORN & PELLET MULTIFUEL STOVE
6035
OWNER’S MANUAL
Installation - Operation - Maintenance Instructions - Repair Parts
READ THIS ENTIRE MANUAL, THOROUGHLY, BEFORE ATTEMPTING TO INSTALL AND/OR
BURN YOUR NEW AMERICAN HARVEST CORN AND PELLET MULTI-FUEL STOVE. FAILURE TO
FOLLOW THESE INSTRUCTIONS MAY RESULT IN PROPERTY DAMAGE, BODILY INJURIES
OR EVEN DEATH.
Safety Notice: If this stove is not properly installed, a house fire may result.
For your safety, follow the installation directions. Contact local building or fire officials
about restrictions and installation requirements peculiar to your area. Do Not Plug
this appliance into an electrical outlet before reading and understanding all operations
and always unplug the unit before attempting any work or maintenance. Do not
connect this stove to any chimney flue already serving another appliance. Carefully
observe and maintain all clearances and combustibles.
A note about fuel: Use only dried shelled corn with a moisture content of 14%
or less (11 to 12% provides the best results); any pellet fuel used should have
an ash content of 1% or less. If not efficiency will suffer, and your warranty may be
voided.
Your American Harvest Corn/Pellet Stove operates on a negative pressure. Therefore,
all venting connections (elbows, T-pipe) must be sealed and airtight.
Use Hi-Temp silicone at each joint or connection.
SAVE THESE INSTRUCTIONS
UNITED STATES STOVE COMPANY GRANTS NO WARRANTY, IMPLIED OR STATED,
FOR THE INSTALLATION OR MAINTENANCE OF THE STOVE AND ASSUMES NO
RESPONSIBILITY FOR ANY CONSEQUENTIAL DAMAGE(S).
UNITED STATES STOVE COMPANY - 227 INDUSTRIAL PARK ROAD-SOUTH PITTSBURG, TN. 37380
TECHNICAL ASSISTANCE (423) 837-2100 - (423) 837-2109 FAX
851576A
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SAFETY STEPS
IMPORTANT: Proper installation of this stove is necessary for safe and efficient operation.
Installing this product improperly may result in a house fire and personal injury. All applicable
building codes for your location must be followed. In areas where building codes require additional
steps to the installation of this product not included in this manual the building codes will take
precedent and must be followed. Contact your local building inspector to obtain any necessary
permits or inspection guidelines before installing the product.
• The American Harvest stove is designed to burn shelled corn, cherry pits, or pelletized fuel such as
wood pellets. The burning of other solid fuels such as cord wood or wood chips in this stove is not
permitted.
• This product requires simple periodic maintenance for proper operation and long life of the stove. Read
and follow the maintenance schedule closely.
•
DISCONNECT THE POWER CORD BEFORE SERVICING THIS STOVE! A power surge protec-
tor is required. The unit must be plugged in to a grounded 110-volt power source.
• Always route the power cord away from the unit. Do not route cord in foot traffic areas. Do not pinch
cord under furniture.
• A working smoke detector must be installed in the same room as this product.
• Flammable or explosive liquids such as gasoline, naphtha or engine oil must NEVER be used in or around
this stove. These liquids must be stored well away from this stove as the open flame in the burner
chamber could ignite the fumes of such liquids. Do not burn garbage in this unit.
• The moving parts of this stove are propelled by high torque electric motors. The auger and Fuel Agitator
can cause severe injury to body parts that may get near them. Keep all body parts away from the
auger and Fuel Agitator while the stove is plugged into an electrical outlet. These moving parts may
begin to move at any time while the stove is plugged in.
• According to HUD requirements, when installed in a mobile home, this stove must be grounded directly to
the steel chassis of the mobile home and bolted to the floor. Direct air access must be provided - Use
60FAK Fresh Air Kit
• This stove is not intended for use in commercial installations.
• Do not connect this stove to “B” vent. Use UL Listed Pell Vent ONLY!
BURNING SOLID FUELS
Ashes will have to be Removed from the stove periodically. See cleaning procedure. You can minimize cleaning required
and maximize efficiency by maintaining the correct draft settings. See “Draft Setting” further in the manual.
The draft setting on your stove may have to be changed from time to time to accommodate your specific burning conditions.
Proper draft setting will be discussed later in this manual. The point we wish to make here is that your American Harvest
stove, due to the nature of solid fuels, will require brief periodic attention. Please do not expect to light your stove and walk
away from it until you want to shut if off in the spring. A few moments of adjustment and cleaning from time to time is an
important part of burning solid fuels, due to the vast differences in fuel, humidity and outside temperature.
The American Harvest stove has been designed to burn dry shelled corn, wood pellets and other pelletized fuels that meet
Association of Pellet Fuel Industries standards.
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BURNING SOLID FUELS continued...
SHELLED CORN (Dry, preferably corn with 11- 12% moisture content)
•
•
Corn must contain less than 14% moisture content. Wet corn will rapidly deteriorate stove components, reduce
efficiency and void all warranties. Purchase a moisture tester if in doubt.
Corn must be clean and free from debris. Never burn corn right from the field. Damage caused by dirty corn is not
covered by the product warranty. Ask for clean filtered bagged corn only. Stalk parts, excessive fines and cob remmants
will clog the auger.
•
NEVER BURN SEED CORN IN YOUR STOVE. Seed corn is treated with chemical pesticides that are harmful or fatal if
swallowed, therefore, seed corn is dangerous to have in the house, especially where children can reach it.
•
•
Never burn “Deer Corn.” It frequently contains molasses/sugars.
Store your corn supply in a dry place and keep bags or container sealed to prevent your corn from absorbing excess
moisture. Test the moisture content periodically to maintain the proper dryness.
•
There are many varieties of corn grown around the world. Each variety has unique characteristics including the shape
and size of the kernel. Your stove will burn more consistently with a small to midsize kernel corn. If the kernel size of
the corn varies greatly or if you switch sources frequently, you will get a less consistent burn, which will require more
attention to the draft setting on your stove. Therefore, purchasing corn from the same source will help achieve a more
consistent burn. DO NOT USE CORN WITH A HIGH WAX CONTENT!
WOOD PELLETS
•
•
As with corn, be consistent in your pellet supplier. Pellets will vary in content and burn characteristics from supplier to
supplier. A consistent supply of pellets will require fewer adjustments to the draft of the stove.
Check your pellets for foreign objects. Your stove warranty will not cover damage done to your stove due to foreign
objects in the fuel supply.
•
•
Store your pellets in a dry place to prevent them from absorbing excess moisture.
To decrease sawdust buildup, the hopper will need to be vacuumed out after every 6-8 bags of pellets or more often if
the pellets are poor quality. You may have to screen each bag of pellets if sawdust becomes a problem.
•
Wood Pellets vary in size and ash content from less than 1% to 3% or more. Your stove will burn more efficiently with
small to midsize pellets. Low ash content pellets will allow you to burn the stove longer between cleanings. Only wood
pellets manufactured to the Association of Pellet Fuel Industries (A.P.F.I.) standard for residential pellets fuels are
recommended. Performance will suffer if nonstandard pellets are used. Consult your local American Harvest reseller
for more information on approved wood pellet fuel.
CAUTION: DO NOT PLACE SUCH FUELS WITHIN THE SPACE HEATER’S INSTALLA-
TION CLEARANCES OR WITHIN THE SPACE REQUIRED FOR CHARGING AND ASH
REMOVAL.
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INSTALLATION REQUIREMENTS
FLOOR PROTECTION
The American Harvest Multifuel Stove may be installed on a combustible floor, with proper floor protection, or on a
masonry hearth. The hearth or noncombustible floor protector must extend a minimum of (6) inches (152mm)in front
and (6) inches (152mm) from each side of the ash removal door.
CLEARANCES TO COMBUSTIBLES
The stove must be installed with the following minimum clearances to side and back wall combustible materials. NOTE:
These are minimum clearances to combustible walls established by the testing lab. The amount of room needed on the left
side of the unit to access the electrical panel is (6) six inches (152mm).
PARALLEL - A - Left Sidewall to Top Edge of Unit
B - Sidewall to Flue
C - Backwall to Flue
D - Backwall to Unit
E - Right Sidewall to Top Edge of Unit
CORNER - F - Adjacent Wall to Flue
G - Adjacent Wall to Unit
6 in./152mm
5 in./127mm
3 in./75mm
9 in./228mm
2 in./50mm
3 in./75mm
4 in./100mm
BACK WALL
BACK WALL
Alcove / Backwall / Sidewall
Parallel / Alcove Installation
Corner Installation
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CLEARANCES TO COMBUSTIBLES continued...
The side and top clearance are to be used when
installing in an Alcove as shown to the left and
below.
6”
min.
HEARTH PROTECTION
6”
min.
6”
min.
These clearances must be maintained and may only be reduced by means approved by the regulatory authority
GUIDELINES FOR EXHAUST VENTING SYSTEMS DESIGN
It is recommended that only an authorized installer install your pellet/corn stove. The following installation
guidelines must be followed to ensure conformity with both the safety listing of this stove and to local building codes.
INSTALLVENTATCLEARANCESSPECIFIEDBYTHEVENTMANUFACTURER.
•
A listed 3” or 4” type “PL” pellet vent exhaust system must be used for FREESTANDING installation and attached to the
pipe connector provided on the back of the stove. Use a 3” to 4” adapter for 4” pipe. A cap must be used at the
termination of type “L” vent chimneys.
•
Do not terminate vent in any enclosed or semi-enclosed area, such as; carports, garage, attic, crawl space, under a
sundeck or porch, narrow walkway or close area, or any location that can build up a concentration of fumes such as a
stairwell, covered breezeway etc.
•
•
Vent surfaces can get hot enough to cause burns if touched by children. Noncombustible shielding or guards may be
required. Do not install a flue damper in the exhaust vent of this unit.
Termination must exhaust above air inlet elevation. It is recommended that at least 5 ft. of vertical pipe be installed
when the appliance is vented directly through a wall. This will create some natural draft to prevent the possibility of
smoke or odor during appliance shutdown and to keep exhaust from causing a nuisance or hazard from exposing
people or shrubs to high temperatures. In any case, the safest and preferred venting method is to extend the vent
through the roof. Do not connect this unit to a chimney flue serving another appliance.
•
Distance from doors and windows, gravity or ventilation air inlet into building:
Not less than 4 ft./1.2m below, 4ft./1.2m horizontally from, 1ft./305mm above(This does not apply if the
windows are non-opening or have been fixed so they cannot open.)
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GUIDELINES FOR EXHAUST VENTING SYSTEMS DESIGN continued...
•
Distance from bottom of termination and grade-1ft./305mm minimum. This is conditional upon the plants and nature of
grade surface. The exhaust gases are not hot enough to ignite grass, plants or shrubs located in the vicinity of the
termination. The grade surface must not be a lawn. Distance from bottom of termination and public walkway is 7ft./
2.1m minimum.
•
•
Distance to combustible materials-2ft./610mm. This includes adjacent building, fences, protruding parts of the struc-
ture, roof overhang, plants and shrubs, etc.
°
It is recommended that a single or double clean-out “tee” be installed at every 90 junction to enable collection of fly ash
°
and to permit periodic cleaning of the exhaust system. 90 elbows accumulate fly ash and soot thereby reducing
exhaust flow and performance of the stove. Each elbow or tee reduces draft potential by 30% to 50%.
•
•
Total length of horizontal vent must not exceed 48”(4ft.)/1,200mm. All joints in the vent system must be fastened by at
least 3 screws, and all joints must be sealed with RTV silicone sealer to be airtight.
When venting into an existing masonry or factory built chimney, the chimney must be cleaned, with all creosote re-
moved. The chimney must be a type suited for solid fuel. WARNING: The chimney and the chimney connections must
be kept clean an in good condition. Such intallations are not recommended, unless a vent pipe extends beyond flue exit.
•
•
The “PL” vent or single wall stainless exhaust system must be installed so as to be GAS TIGHT! The vent manufacturer’s
installation procedures must be followed. In addition, pipe connections, joints and all pipe seams within the home
should be sealed with high temperature RTV silicone sealer.
The area where the chimney penetrates to the exterior of the home must be sealed with silicone or other means to
maintain the vapor barrier between the exterior and the interior of the home.
Where installations will be made in locations above 2,000 feet, it is recommended that your stove be installed with 4” pell
vent. At elevations above 3,000 feet, it is mandatory that a 4” pell vent be used for your installation.
NOTE: These are guidelines only. Proper venting is accomplished by design and common sense. In most
installations 3” inch diameter venting is adequate. If it does not vent properly you will have to change it
to 4”.
DO NOT CONNECT TO ANY AIR DISTRIBUTION DUCT OR SYSTEM
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DESIGN GUIDELINES FOR OUTSIDE COMBUSTION AIR CONNECTION
1) For installations with horizontal through-the-wall exhaust, it is strongly recommended that the stove combustion air be
connected to the outside. If the home is newer or has been tightly insulated it is required to install outside combustion
air. If you do not, then bring a 4-6 inch intake into the furnace room in the basement.
2) Connection to outside the house is REQUIRED for mobile home installations. We strongly urge use of the 60FAK Fresh
Air Kit.
90 DEGREE BEND TERMINATION
WIND HOOD TERMINATION
Wind Hood
3” Min. Diameter
3”
NOTE:
A wire mesh screen with a
maximum opening size of 3/8”
must be installed.
6”
2”
3) Only noncombustible pipe 2 inches in diameter is approved to use for outside air connections (straight or flexible). PVC
pipe is NOT approved and should NEVER be used.
4) If the air inlet is connected to the outside, it MUST be terminated with a vertical 90-degree bend (down) or with a wind
hood. Failure to do so could result in a burn back during high winds blowing directly up the air inlet during a simulta-
neous power failure (see diagram above).
5) Blockage, excessive length, or bends in the air intake pipe will starve the stove of combustion air. A 90-degree bend is
equivalent in restriction to approximately 30 inches of straight inlet pipe.
CAUTION: The operation of exhaust fans such as bath room fans, attic fans, etc. might starve the heater of combustible air
creating a negative pressure in the room. Provide adequate ventilation in the room accompanying the heater. If not, the
pressure switch may shut off operation of the heater. (Due to negative pressure)
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INSTALLATION CONFIGURATIONS
Note: Where passage through a wall, or partition of combustible construction is desired, the installation
shall conform to CAN/CSA -B365
The American Harvest Corn/Pellet Stove Model 6035 may be installed as follows:
1) A freestanding unit
2) A built-in heater mounted in an alcove
MOBILE HOME INSTALLATION REQUIREMENTS
IN ADDITION TO THE STANDARD INSTALLATION INSTRUCTION, THE FOLLOWING
REQUIREMENTS ARE MANDATORY FOR INSTALLATION IN A MOBILE HOME:
WARNING
DO NOT INSTALL IN SLEEPING ROOM
1) Stove must be permanently bolted to the floor.
2) Stove must have permanent outside air source. (60FAK)
3) Stove must be permanently electrically ground to the steel chassis of the mobile home.
4) All vertical chimney vent must have wall supports every (5) five feet.
5) All exhaust systems must have a spark arrestor.
CAUTION
THE STRUCTURAL INTEGRITY OF THE MOBILE HOME FLOOR, WALL AND CEILING/
ROOF MUST BE MAINTAINED.
Check with your local building official as other codes may apply.
PEDESTAL
BOLT
FLOOR
STEEL CHASSIS
ELECTRICALLY
GROUNDED TO CHASSIS
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ALCOVE INSTALLATION REQUIREMENTS
The American Harvest is approved for the standard alcove height of 52 inches, or for a reduced alcove height with a
minimum of 19 inches from the top of the stove (clearance for opening top lids). The maximum alcove depth is 48 inches
and the listed clearances are a minimum of 6” on the left side, 2” on the right side and 9” to the rear. The 19” clearance is
only needed for opening the back lid. If the front lid protrudes out of the opening, a 1” clearance is all that is required.
ALCOVE CLEARANCE RECOMMENDATIONS
See statement
above.
52” Min.
2” Min. on Right Side;
6” Min. on Left Side
ALCOVE-THROUGH THE WALL INSTALLATION REQUIREMENTS
The stove is approved for horizontal exhaust, however, we recommend that the exhaust goes vertically for five feet, or above
the eaves of the house. This will help draw smoke out of the stove in the event of a power failure.
Termination Cap
Corner Installation
9” min.
Termination Cap
Type “PL” Vent
4’ Minimum
Vertical Pipe
Wall Thimble
Clean-out
Tee
2 ft. Horizontal Pipe
Wall Thimble
12” min.
6” min.
Optional
Direction
Non Combustible
Hearth Pad
Outside Wall Termination
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FREESTANDING STOVE INSTALLATION REQUIREMENTS
Horizontal Exhaust Termination:
Locate proper position for the type “PL” wall thimble (F).
1)
2)
Use a saber saw or keyhole saw to cut a 7 1/4-inch diameter hole through the wall (E) for a 3-inch pipe. For a 4-inch
pipe, cut an 8 1/4-inch hole. Install the wall thimble (F)in the hole. The size of hole opening will vary with brand of wall
thimble.
Position stove approximately 12” from the wall on the noncombustible floor pad. Push the type “PL” pipe (B) through the
wall thimble (D). Squeeze a bead of high temperature RTV silicone sealer (A) around the outside of the 3” diameter
exhaust pipe approximately ½” from the stove back panel. Firmly push on a section of type “PL” pipe (B) until the inner
pipe liner pushes up against the bead of RTV sealer. Don’t seal the entire 3” diameter pipe as you will not be able to
disassemble the pipe at a later date. The bead of silicone will act as a gasket right on the end of the 3” pipe (B).
Alternate Method: An approved type “PL” connector back clamp may be used to allow easy disconnect for mainte-
nance. (The RTV sealant must be used in mobile home installation)
3)
Push stove with pipe attached towards wall. Pipe (B) will go through the wall thimble (F). Be careful not to dislodge the
thimble. Position stove not closer than 1” to the wall.
4)
5)
NOTE: Make sure that you leave enough clearance between the wall and the back of the unit so that when you open the
hopper lid it will not hit the pictures on the back wall. It is required that you leave 9” between the wall and the back of
the unit for easy access.
Install type “PL” termination cap (G) with rodent screen cap (optional) on outside end or pipe. Note: The end of the
exhaust pipe must extend a minimum of 12 inches from the outside of the building. Rodent screen cannot be less than
3/8” opening mesh.
6)
7)
If installing with combustion air from outside, cut a separate hole through the wall for the fresh air tube (C). This tube
must be 2” minimum diameter flex pipe. Connect outside air pipe inlet on stove. This tube must be terminated with a
90 degree elbow or hood.
Note: Always check dimensions on unit before cutting hole in wall
4’ Minimum
Vertical Pipe
7-7/8”
EXHAUST
OUTLET
3” DIA.
COMB.
AIR INLET
2” DIA.
6-5/8”
X
The Air Inlet Cover must be removed
for Outside Air Installation.
17”
2-9/16”
Dimensional tolerance ±0.25”
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Rain Cap or Termination Cap
Storm Collar
Flashing
24” Min.
Wall Thimble
NOTE:
Vertical Pipe must be
4” PL Above 6’
3” Min.
Tee
Clean Out Cover
Fresh Air Intake
(Optional 60FAK)
With 90 Degree
Elbow or Hood
6” Min.
(Pest Guard 3/8”
Mesh Maximum)
6” Min.
Non Combustible Hearth Plate
INSIDE VERTICAL PIPE WITH ROOF TERMINATION
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Rain Cap or Termination Cap
Storm Collar
Flashing
24” Min.
Keep Attic
Insulation Away
From Pipe
Wall Thimble
NOTE:
Vertical Pipe must be
4” PL Above 6’
Support Bracket
Every 5 Feet
1” Min.
Wall Thimble
Tee
Clean Out Cover
Fresh Air Intake
(Optional 60FAK)
With 90 Degree
Elbow or Hood
6” Min.
(Pest Gaurd, 3/8”
Mesh Maximum)
Non Combustible Hearth Plate
The Hearth Pad is not required under the unit if the floor is noncombustible but is required 6 inches (152mm) beyond the
front of the unit and 6 inches (152mm) beyond each side of the door.
THROUGH THE WALL, VERTICAL PIPE INSTALLATION WITH TERMINATION
THROUGH THE ROOF
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GLASS MAINTENANCE, REMOVAL AND REPLACEMENT
Your American Harvest Corn/Pellet Stove comes to you with the glass door installed in place, ready for use. The
glass is surrounded on the edges with a gasket and seated in a glass channel. It is held in place with four (4) clips.
REMOVAL OF BROKEN OR DAMAGED CERAMIC GLASS
Open the door and lift off of hinges. If the door is tight, tap gently on the bottom of the door with your hand or rubber
hammer. Lay door down on newspaper with glass clips facing you. Using a #2 Phillips screwdriver, loosen the screws
and take off the glass clips. Remove the broken glass carefully and discard.
Reverse the above procedure for replacing new glass with new gasket.
WARNING
Do not operate unit with broken glass.
Do not substitute original factory glass.
You must use only factory authorized glass;
Do not slam door shut.
Do not strike glass.
Do not use abrasive cleaners.
Do not clean when glass is hot.
CLEANING THE GLASS
When the fire is first started, it will produce some smoke. The smoke might accumulate on the glass surface. Before the
fire gets hot, open the door and wipe the glass surface off with a damp rag. Do not touch the surface with your hands.
If after constant use, the glass is dirty, you must clean the glass so that it will not become etched with the fly ash. When
the glass has cooled off, take a damp rag, put a little fly ash from the unit on it and clean the glass. If this does not clean
the glass use a non-abrasive spray; 409 works well.
GLASS CLIPS
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STOVE CONTROLS
Adjustable Door Handle
lifts up and turns left to open.
Ash Dump Shutoff
Pull out to empty ashes out of
the firebox area and back heat
exchanger area. Make sure to
push all the way in when done.
Front View
Circuit Board Control Panel
Open door to access the controls
Left/Front View
Manual Draft Adjustment
Slide in or out to adjust the
amount of draft flowing through
the firebox.
Service Note:
For service needed inside the cabinet,
remove the two screws retaining the
side(s). Then open both of the hopper
lids and swing the side panel(s) open.
BE SURE that the unit is unplugged from
the power source before servicing.
Right Side View
Ash Dump Shutoff
Pull out to empty ashes out of
the firebox area and back heat
exchanger area. Make sure to
push all the way in when done.
(Shown pulled out).
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LIGHTING INSTRUCTIONS
CAUTION: DO NOT USE CHEMICALS OR FLUIDS TO START THE FIRE
HOT WHILE IN OPERATION. KEEP CHILDREN, CLOTHING AND FURNITURE AWAY. CONTACT MAY CAUSE SKIN
BURNS.
Before lighting your American Harvest for the first time, make sure that all
items are out of the hopper and firebox area. Turn the heat settings knob to the
off position and push the manual draft in as far as it will go. Note: If using a wall
thermostat option make sure that the thermostat is turned up above room tem-
perature. The unit will operate on low fire if the thermostat is turned down. Do
not start the unit on low fire.
•
Place a small handful of wood pellets or fire starter in the firepot.
•
Squirt only a small amount of fire starter gel on top of the wood pellets or use
pellet starter.
•
•
Light the fire starter and wait appox. 1-minute for it to start actively burning.
Turn the heat setting knob to the number 3 setting and pull out the manual
draft knob approximately ¼ inch. (more or less if necessary).
•
Adjust the manual draft knob (located on the left side of the unit to the left of the circuit board) so that there is
approximately ½ inch of fuel in the bottom of the firepot. This level cannot be determined quickly. Minor adjustments
will have to be made until the main fuel starts coming in and the unit is up to temperature.
•
•
NOTE: Even if you are burning corn or other fuels in your unit, wood pellets make an excellent source of
starter fuel. Corn takes too much starter to get lit and up to temperature.
Three minutes after the heat knob is turned to the number 3 setting the fuel will start to feed into the firepot. If the
firepot begins to fill up with unburned fuel, open the manual draft knob a little to burn up the excess fuel. If the fire is
going out because there is too much fuel coming in, turn the heat setting knob off and then turn back on. This will give
you another 3 minutes before fuel feeds in.
•
•
If the fire is burning too fast and the fuel is being burned up too quickly, push the manual draft knob in a little to slow the
fire down. This should be done in small 1 8” increments so that the fire doesn’t change too quickly.
/
Once the fire has established itself (usually 10 to 15 minutes) adjust the manual draft knob so that there is approxi-
mately ½ inch of fuel in the bottom of the firepot. Do not let the fuel build up any higher than that or it will cause
the fire to burn dirty and you will get excessive ash. If the fuel level is too low (below ¼”) the fire may go
out.
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.
Do Not Overfire - If the heater is being overfired, burned too hot, the heater will automatically shutdown to avoid damage
to components in the heater. Never run this heater on the “HIGH” setting for long periods of time. Refer to “Lighting
Instructions” for proper use.
Damper Control Function
The damper control knob is located on the left side of the unit close to the circuit board access panel. You pull out on the
knob to increase the air to the firepot and push in to decrease the air to the firepot. The proper setting will vary from home
to home and with fuel quality, so fine tuning has to be done in the home with the fuel that you plan to use.
When you change fuel sources it may become necessary to readjust the damper control knob. You should not have to
continually adjust the manual knob except when using the high fuel setting. The circuit board automatically adjusts the air
to the firepot on the settings from 1 to 4.
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DISPOSAL OF ASHES
Disposal of Ashes
Ashes should be placed in a metal container with a tight fitting lid. The closed container of ashes should be placed on a
noncombustible floor or on the ground, well away from all combustible materials, pending final disposal. If the ashes are
disposed of by burial in soil or otherwise locally dispersed, they should be retained in the closed container until all cinders
have been thoroughly cooled.
CIRCUIT BOARD FUNCTIONS
!! CRITICAL !!
Start-up
When the circuit board is energized (unit plugged in) there is a 15 second purging of the auger tube to allow fuel to enter the
firepot. To initiate the Start-up, turn the heat setting knob to the number 3 setting. If the unit is started on the 1 or 2
settings, the firebox temperature may not rise fast enough for the low limit censor to engage. When the heat setting knob
is turned on, the draft blower starts but the auger feed does not start feeding fuel until after 3 minutes.
Corn may require a higher setting if the moisture content is high or if the corn has a high starch content. Wood pellets may
require a higher setting if the ash content is high or if you are running the unit on the high setting.
NOTE: Make sure that the wall thermostat (if used) is turned up so that the unit will start on the number 3 setting.
If the fire is not hot enough to engage the low limit sensor, (within 20 minutes) the circuit board will cycle through the shut
down mode and the unit will shut down. The green indicator light will blink rapidly to show that the unit is not operating
properly. To restart the system, simply turn the heat-setting knob to the off position and turn back on to the number 3
setting.
Once the unit is operating at the proper temperature (usually 10-15 minutes), select the heat setting that you want(3 or 4),
adjust the manual draft adjustment knob so that the fuel is approximately ½ inch thick in the bottom of the firepot.
The number 3 heat setting is best for corn and the number 4 heat setting is best for wood pellets for a high fire burn. The
high setting should only be used if the home is over 2000 square feet or the weather is extremely cold. The high heat setting
is intended for use with wood pellets and the highest heat setting for corn would be the number 4 setting.
The unit is not designed to be operated for long periods of time on the highest setting. Optimum efficiency is achieved by
using lower settings. It is also recommended that the unit not be run for extended periods of time on the number 1 setting.
The draft blower and venting will fill up with fly ash after a long period of time. Once a day pull the manual draft knob
out all the way and turn the unit up on high. Run it this way for a few minutes to clear the venting and draft
blower. It is good to run the unit on one of the higher settings at least once a week to clear the system and
eliminate the buildup of fly ash.
This unit Will Not operate properly with the firing door open. Keep door closed when the heater is in use.
Shutdown
To shut the unit down, simply turn the heat setting knob to the off position and the system will enter the shut down mode.
The fuel stirrer will continue to operate until the low limit safety censor tells it that the fire is out and the firepot has gone
through its cleaning cycle. After this time the fuel stirrer will shut off. When this happens the fuel auger will go into the
purging cycle and auger a small amount of fuel out of the auger into the firepot. Then the entire system shuts down.
USSC
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SETTING THE DRAFT
A proper draft setting is crucial to the successful burning of solid fuels. Draft refers to the amount of air flowing through the
burn chamber of your stove. Too much or too little draft will cause your stove to burn improperly and may result in the fire
burning out or excessive deposits (clinkers). Please follow these guidelines carefully as you operate your stove to achieve
maximum efficiency and enjoyment.
•
The amount of draft required for your stove to burn properly will depend upon your installation and the fuel you use. You
can set your draft by looking at the flame and following these guidelines. The manual draft knob is the rod and knob on
the left side of the stove. Pulling the knob out increases the draft and pushing the knob in decreases the draft. A little
movement of the knob goes a long way to changing the flame. It may take several trial and error adjustments on the
draft to achieve the correct setting.
•
The flame should be an “active” flame. A flame that moves around lazily and emits visible smoke needs more draft. To
give the fire more draft, pull the damper out 1/8” and check the flame again. If the status of the flame has not changed,
move damper another 1/8” until you get a clean “dancing” flame.
•
•
The base of the flame should be blue in color and the top of the flame should be yellow.
If the flame does not have enough draft, fuel will build up in the firepot and eventually smother the flame. If this
happens, or if you notice the firepot is filling up with partially burned fuel, open the damper 1/8” at a time until the fire is
clean and dancing.
•
If the flame has too much draft, the flame will look like a torch in that it will be moving rapidly and blowing fuel out of the
firepot. If you find that you have this condition, move the damper inward 1/8” at a time until the condition of the flame
changes.
MAINTENANCE INSTRUCTIONS
Soot and Flyash - 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 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 per month (of heavy use) to determine if cleaning is necessary.
Daily Maintenance
•
Surfaces on the front of the stove will be extremely hot during operation. Always wear heat resistant gloves
to perform periodic maintenance.
•
Using a wooden stick, tap the side heat exchangers that are located on the left and right sides of the firebox. When you
open the door, they are located directly inside to the left and right. When you tap the sides with the wooden stick the
loose fly ash will drop out of these holes.
•
•
Pull the lower front ash clean-outs out and scrape any fly ash down into the pedestal ash pan. Push them back in all the
way.
While you are tapping the side heat exchangers, we recommend that you pull the draft knob all the way out for a minute
or two and put the unit on high fire. This will allow the unit to self-clean the heat exchanger area, the draft fan and
exhaust chimney pipe.
•
•
If clinkers develops in the firepot, remove with a scraper. You may have to do this once or twice a day depending on the
moisture content of the corn. If this is not cleaned out, it could cause the fuel stirrer to jam. Clinkers are a direct result
of excessive corn moisture, or excessive air, and do not indicate a problem with the stove. USSC highly recommends an
additive (mentioned on pg. 21) be added to your corn to eliminate these clinkers. Contact your local Feed and Seed for
availability and cost. You will need this additive if the agitator “fingers” develop an accumulation or build-up.
Open the stove doors and wipe the inside of the glass with a damp cloth as needed.
18
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Maintenance Instructions Continued...
SPECIALCLEANING/OPERATIONALINSTRUCTIONS:
After cleaning or when operating the unit you need to make sure that the clean-out plates are in the closed position.
Push the front (2) clean-out slides all the way in and make sure that you have replaced the left & right clean-out plates
that are located on the inside of the unit (these plates are located inside the firebox to the left and right of the firepot in
the lower corners of the firebox). If these plates are not in the closed position the unit will burn dirty.
The 6035 has (2) front
cleanout slides that must be
in the closed position when
burning the unit.
Weekly Maintenance
•
Set the stove on high fire. Open the draft to 100% and allow the stove to burn for 15 minutes. Resume desired heat and
draft setting.
•
Shut down the stove as directed in the operating instructions. Allow the stove to cool to room temperature. Remove the
small clean-out slides in the lower corners of the firebox. Tap the sides of the burn chamber with a wooden stick. Do not
tap the firewall behind the burn box as it may damage the insulation. Scrape the fly ash from the clean-out chambers
toward the front of the burn chamber. Remove the fly ash from the burn chamber and replace the clean-out chamber
doors.
•
•
Remove the ash pan and dump the ash into a metal container.
Cleaning of the exhaust system will depend upon the ash and debris content of your fuel. If your fuel has a high ash
content and/or significant debris in it, your exhaust system will require weekly cleaning. Cleaner fuels will allow for
monthly cleaning of the exhaust system. Remove the exhaust pipe from the back of your stove and remove any ash that
may have collected in the pipes. Replace the pipes to the stove and seal with high temperature seal tape. If you have
installed proper clean out tees you will not have to take the chimney sections apart.
•
While you are doing your weekly cleaning, have the unit set on high and the draft knob all the way out. Remember the
unit is not burning. After cleaning, push the draft knob back into the closed position.
REMEMBER: A clean unit burns efficiently and will remain trouble free!
SPRING CLEANING:
When the heating season is over make sure that you clean out all of the fuel in the hopper, firebox area, ash pan and firepot
area. Corn and any ash can accumulate moisture over the summer months causing the unit to rust and the fuel to mold.
It is recommended that prior to shutting down the unit in the spring, run the unit on the higher settings for a day to help clean
out the heat exchanger system, venting system and firebox area.
When the unit is cleaned out, take the venting apart, clean out the fly ash, rinse the venting out with a water hose and let dry,
take the draft blower off and clean, clean out all areas such as back heat exchanger and lubricate the auger, auger tube,
firepot area, fuel stirrer shaft and bearings and hopper area with a light oil (something like Pam cooking oil works great to
coat the inside of the unit and the moving parts). Clean the glass, doors and outer cabinet so that you are ready for the next
heating season. Use of a wet/dry vacuum makes all clean out easier and cleaner.
USSC
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AUTOMATIC SAFETY FEATURES
WARNING
These automatic safety features must not be bypassed
•
•
•
Power Outage
During a power outage, the stove will shut down safely. It will not automatically restart when the power returns, unless
the exhaust is still up to temperature (see “Lighting Instructions” page 16).
Overheating
A high temperature switch will automatically shut down the stove if it overheats. The stove will need to be manually relit.
Allow 45 minutes before relighting.
Auger Cut-Off
When the back hopper lid is opened the fuel auger stops. It will resume operation when the lid is closed. The hopper
lids must be kept closed for proper operation. If the lid is left open the fire will go out. If fuel gets lodged in the back
hinge area of the hopper, when you close the lid, the switch might not work. Always make sure that the sealing surface
is clear of fuel before closing the lid.
HOPPER AUGER SAFETY SWITCH LOCATION
Micro Switch
The hopper auger safety switch is mounted in the back of the hopper, up next to the back lid. The assembly is enclosed to
keep the fuel from entering the switch locale. When the lid is opened it cuts power to the auger motor. Power is resumed
when the lid is closed. If the lid is left open for more than a couple of minutes the fire will go out. Always have the fuel ready
to load into the hopper before opening.
Pressure Switch
The Pressure Switch is located just below the auger safety switch on the back of the hopper. When the door on the front of
the unit is opened, the auger will stop. If the door is left open for more than a couple of minutes the fire will go out.
Auger Safety Switch Rod
Auger Safety Switch
Hopper
Pressure Switch
Rear View
Side View
20
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THERMOSTAT INSTALLATION
•
•
The American Harvest can be installed with and operated by a wall-mounted thermostat (Optional WT47) which may
be purchased from your dealer or from USSC. The wall thermostat needs to be for a low voltage system. Most
thermostats will have instructions with them as to where to place them in your room. Please follow the thermostat
manufacturer’s instructions carefully.
There are two (2) male spade terminals on the back of the control panel near the center. Connect the two wires from
the wall thermostat, one to each of these spade terminals. Needed: 2 female ¼” insulated terminals.
•
•
Make sure that the wires are routed to protect them from hot surfaces. Do not cross wires with circuitry on board.
Make sure the unit is disconnected from the wall outlet before working on your unit. The circuit board is located on the
left side of the unit. Remove the ¼” hex head screw and pull circuit board towards you. Lift the circuit board out of the
housing. Do not crimp or stretch the wires leading from circuit board pigtail.
•
Reinstall in reverse procedure.
Back of Circuit Board
Two (2) ¼” male terminal
connectors, one for each
wire from wall thermostat
It is a good idea to use the thermostat option to achieve uniform control over your heating needs.
If you are gone and the home requires heat, the unit will automatically resume the high setting when the thermostat calls for
heat.
FUEL ADDITIVE
Chicken Scratch for my Corn Burner?
Yes - Crazy as it may sound, ground Oyster Shells, same as fed to chickens, is the ideal additive to promote clean burning,
especially when the Corn Fuel is extra high in starch. And it’s available at your local Feed and Seed.
The “average” mixture is 1/2 pound of Oyster Shells (about 2 handfuls) to 60 pound of Corn, a full hopper. IF the “fingers”
on your agitator (stirrer or rouser) have a noticeable buildup of “clinkers” or stubborn deposits, you have either a high starch
fuel OR are burning with too much air for proper combustion and are reaching the “fusion” temperature of the Potassium
and/or Starch in the Corn. You need Oyster Shells - and maybe more than a couple handfuls.
If you notice a heavy accumulation of “whitish powder” in your burn pot, reduce the amount of Oyster Shell Additive.
Remember, using this additive- as necessary - promotes efficiency (higher heat output), reduces maintenance, clinkers and
ash content.
USSC
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TROUBLE SHOOTING
Unplug stove before preforming any maintenance work
PROBLEM
CAUSES
SOLUTIONS
? Fire burns with a lazy, orange flame • Insufficient combustion air
and/or fuel builds up in the firepot
• Remove any clinkers or ash from the
firepot by using scraping tool. Shake
ashes into ash pan.
• Feed rate too high
• Corn or wood pellets have too much • Clean out primary air in firepot holes
moisture if plugged.
• Combustion/Exhaustion blower • Empty ash drawer and clean out back
plugged or going out
heat exchanger by removing the
lower access plates.
• Venting plugged with fly ash or ice
• Tap the side exhaust heat exchang-
ers to clean them as shown on page
• House does not have adequate make
up air (negative pressure)
• Change to a better grade of fuel if
necessary. See page 4 regarding
fuel quality.
• Inadequate “Draft” of PL Vent
• Check that damper control knob is
adjusted properly. Pull out to increase
fire burn.
• Extend PL Vent to 5’
• Check gasket seal around the door.
If the door is loose, adjust the handle
latch. A small adjustment can be
made to the door seal by adjusting
the door latch rod and/or the door
hinges. Replace the door gasket if
necessary.
• Check for blockage in the air inlet
tube or exhaust pipe. Clean out as
necessary.
• Check combustion exhaust lower
impeller. This can be done remov-
ing the exhaust pipe and shining a
light into the tube.
• Replace combustion exhaust blower
if necessary.
NOTE: Negative pressure in a home is
a serious issue. All American Harvest
appliances should be installed with
outside air hookups.
Also make sure that adequate ventila-
tion is supplied for the rest of the home
or the unit will become the air intake
causing problems.
22
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TROUBLE SHOOTING continued...
PROBLEM
CAUSES
SOLUTIONS
? Fire goes out or stove shuts down • Hopper is empty.
automatically.
• Refill hopper.
• Fuel is not feeding.
See “Pellets will not feed” below
• High limit temperature switch has • Allow stove to cool for 1 hour and
tripped.
relight. If the stove has been oper-
ating at a medium to high burn and
the convection fan has been turned
down low, then the fan should be
turned up higher. If this problem
persists, particularly at lower burn
rates, then the high limit snap switch
should be replaced by your local
dealer.
• Combustion air too high.
• Fuel feed rate is too low.
• Hopper is empty.
• Adjust the damper to reduce com-
bustion airflow.
• Have an USSC reseller qualified
technician adjust the fuel control.
? Pellets will not feed.
• Check contents of the hopper. Add
fuel if necessary.
• Auger, circuit board, pressure switch
or relay
• Have your USSC reseller diagnose
the problem and replace the part(s).
? Stove runs for 30 minutes and then • Exhaust gas is not up to tempera- • Relight the stove
shuts down.
ture.
• Inadequate PL Vent height
• Extend vertical vent
• Low limit snap switch not operating • Have your USSC reseller replace the
properly; may be defective. low limit switch.
• Wires to the low limit snap switch • Contact your USSC reseller for ser-
(mounted on the side of the firebox)
are either loose or disconnected.
vice.
? Blower will not shut off after the fuel • Low limit snap switch has failed in • Have your USSC reseller replace the
has been switched off and the stove
has cooled down.
the closed position.
low limit switch.
• It can take up to 1 hour for the unit
to cool down enough for the blower
to shut off. If it takes longer than 2
hours for the blower to shut off or if
it fails to shut off completely contact
your local USSC service technician.
USSC
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TROUBLE SHOOTING continued...
PROBLEM
CAUSES
SOLUTIONS
? Blower will not operate.
• No power to stove
• Check to see that the stove is
plugged into the wall outlet.
• No power to control board
• Check to see if your circuit breaker
has “tripped”.
• Check wire connection between the
high limit snap switch and the termi-
nal block.
? Soot or fly ash in the house.
• Cleaning the window, particularly • Clean the glass when the unit is not
when the stove is operating. running.
• Leakage on the joints between the • Seal any leaks in the exhaust sys-
combustion fan, exhaust pipe and
“PL” vent. This will be evidenced by
dust on the impeller of the convec-
tion fan and in the heat exchanger
tubes.
tem with RTV high temperature sili-
cone sealer.
? Buildup of soot on glass, venting and • Dirty fuel.
• Make sure you have clean fuel.
heat exchangers.
• Wet Corn (above 15% moisture).
• Dry corn down to 11-12% moisture
if possible or mix with wood pellets.
• Inadequate air supply.
• Negative pressure in home.
• Lack of maintenace
• Pull manual draft control out slightly
to make sure that there is appox. ½
inch of fuel in firepot.
• Install outside air to unit and make
sure that the home has adequate
makeup air. (suggested 6” makeup
air into basement)
• Preform maintenace
CAUTION: When performing any internal electrical maintenance
•
•
•
•
Moving parts inside of the cabinet may cause injury. Do not operate unit with panels removed or open.
HOT parts. Do not operate the unit with panel open.
Risk of electric shock. Disconnect power before servicing unit.
In the event of component failure, replace with the original factory equipment.
24
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WIRING DIAGRAM
USSC
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REPAIR PARTS DIAGRAM-6035
26
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REPAIR PARTS LIST-6035
KEY
1
2
3
4
5
6
7
8
PART #
25108B
25171B
25158B
25109B
25167B
69364B
69419
80315
80463
86594
69370B
69369B
25193B
80462
80461
80454
86592
89586
89603
80312
80312
69367B
69384B
891066
89824
80469
69383
891066
80456
83511
891055
80457
891083
80460
80464
80381
80381
80455
80459
80443
80445
80446
80448
80465
891058
80453
69366B
891074
891075
891079
891078
891076
891077
891084
891089
89574
25170
891073
25195B
891100
25173
69363
891059
69358
69359
83510
891057
40482
25157B
DESCRIPTION
QTY.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Pedestal Base, Painted
Ash Pan Guide, Painted
Pedestal Trim, Painted
Pedestal, Painted
Pedestal Back, Painted
Ash Pan, Painted
Hopper Assembly
Pressure Switch
9
Hopper Lid Switch
Hopper Lid Switch Rod
Hopper Lid - Rear, Painted
Hopper Lid - Front, Painted
Cabinet Back, Painted
Power Supply Plug
Power Supply Cord
Exhaust Blower
Exhaust Pipe
Brass Nipple
Brass Connector
Neoprene Tubing
10
11
12
13
14
N/S
15
16
17
18
N/S
N/S
19
20
21
22
23
24
25
26
27
28
29
30
31
N/S
32
33
34
N/S
N/S
N/S
N/S
N/S
N/S
35
36
37
38
39
40
41
42
43
44
N/S
45
46
47
48
49
50
51
52
53
54
55
56
57
58
1
1
1
3 ft.
14 in.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
1
1
1
2
1
1
1
1
1
1
1
Neoprene Tubing
Cabinet Side - Left, Painted
Access Door, Painted
Knob
Magnet Latch
Circuit Board
Draft Adjustment Slide
Knob
Auger Motor
Rubber Washer
Coupling
Agitator Motor
Agitator Sprocket
Terminal Block
Terminal Block Jumper
Low Limit Switch (F110 Thermodisc- 60T12)
Distribution Blower Limit Switch (F110 Thermodisc- 60T12)
Auger Safety Switch (F250 Thermodisc- 60T11)
Wiring Harness
Wire (White - 13”) - Power Supply
Wire (Black - 13”) - Power Supply
Wire (Green - 13”) - Power Supply
Wire (White - 13”) - Common
6 Position Waco
Chain
Distribution Blower
Cabinet Side - Right, Painted
Door
Glass & Gasket
Bottom Glass Retainer
Right Side Glass Retainer
Top Glass Retainer
Left Side Glass Retainer
Door Handle
Roller Latch Stop
Spring Handle
Gold Trim Bracket
Gold Trim
Air Intake Box, Painted
Ceramic Brick
Draft Shut-off
Burn Pot
Agitator
Shaft Collar
Drive Shaft Weldment
Drive Shaft Set Coupling
Drive Shaft Sprocket
Auger, Cast Iron
Ash Dump Shut-off, Painted
2
USSC
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HOW TO ORDER REPAIR PARTS
THIS MANUAL WILL HELP YOU OBTAIN EFFICIENT, DEPEND-
ABLE SERVICE FROM YOUR AMERICAN HARVEST, AND EN-
ABLE YOU TO ORDER REPAIR PARTS CORRECTLY.
KEEP THIS MANUAL IN A SAFE PLACE FOR FUTURE REFER-
ENCE.
WHEN WRITING, ALWAYS GIVE THE FULL MODEL NUMBER
WHICH IS ON THE NAMEPLATE ATTACHED TO THE HEATER.
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE THE
FOLLOWING INFORMATION AS SHOWN IN THIS LIST:
1. THE PART NUMBER
2. THE PART DESCRIPTION
3. THE MODEL NUMBER: 6035
4. THE SERIAL NUMBER:____________________
United States Stove Company
227 Industrial Park Road
P.O. Box 151
South Pittsburg, TN 37380
(423) 837-2100
WWW.USSTOVE.COM
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