UNITEDSTATESSTOVECOMPANY
227 Industrial Park Road • P.O. Box 151 • South Pittsburg, TN 37380 • (423) 837-2100
Natural Gas Model
B9945N
Propane (LPG) Model
B9945L
Supplemental Heater
Supplemental Heater
®
VENT-FREE PEDESTAL GAS HEATER
INSTALLATION AND OPERATION INSTRUCTIONS
This appliance may be installed in an aftermarket* manufactured (mobile) home,
where not prohibited by state or local codes.
*Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
This appliance is only for use with the type of gas indicated on the rating plate. This appli-
ance is not convertible for use with other gases.
This is an unvented gas-fired
heater. It uses air (oxygen) from
the room in which it is installed.
Provisions for adequate combus-
tion and ventilation air must be
provided. Refer to "Adequate
Combustion And Ventilation Air"
on page(s) 6 of this manual.
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result
causing property damage, personal injury, or loss of
life.
~Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
~WHATTO DO IFYOU SMELL GAS
WARNING:
• Do not try to light any appliance.
Do not use a blower insert,
heat exchanger insert or other
accessories not approved
for use with this heater.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call
the fire department.
~Installation and service must be performed by a
qualified installer, service agency, or the gas supplier.
Save this manual for
future reference.
851369-C
1
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IMPORTANT SAFETY INFORMATION
INSTALLER: Please leave these instructions with the owner.
OWNER: Please retain these instructions for future reference.
IMPORTANT: Read these instructions carefully before installing or trying to operate this heater.
WARNING: Any change to this heater or its controls can be dangerous.
Improper installation or use of the heater can cause serious injury or
death from fire, burns, explosion or carbon monoxide poisoning.
1.
2.
CARBONMONOXIDEPOISONING:Earlysignsofcarbonmonoxidepoisoningaresimilartothefluwith
headaches,dizzinessand/ornausea.Ifyouhavethesesigns,obtainfreshairimmediately.Havetheheaterserviced
asitmaynotbeoperatingproperly.
Theinstallationmustconformwithlocalcodesor,intheabsenceoflocalcodes,withtheNationalFuelGasCode,
ANSI Z223.1.
3.
4.
5.
The9945N/9945Lvent-freegasheatersystemcannotbeinstalledinabedroom.
Donotinstalltheheatersinabathroom.
WARNING:Improperinstallation,adjustment,alteration,serviceormaintenancecancauseinjuryorproperty
damage. Refertothisowner'smanual. Installationandservicemustbeperformedby aqualifiedinstaller;service
agencyorthegassupplier.
6.
Topreventmalfunctionand/orsooting,anunventedgasheatershouldbecleanedatleastannuallybyaprofessional
serviceperson.Morefrequentcleaningmayberequiredduetoexcessivelintfromcarpeting,etc.Itisimperative
thatcontrolcompartments,burnersandcirculatingairpassagewaysbekeptclean.
7.
8.
Correctplacementoftheceramicfiberlogsisnecessarytoavoidproblemswithsooting.Sootingcansettleon
surfacesoutsidetheheaterandcausediscoloration.Seetheappropriatesectionsofthismanualforinstructions.
WARNING:Donotallowfanstoblowdirectlyintothefireplace. Avoidanydraftsthatalterburnerflamepatterns.
Donotplaceablowerinsideburnareaoffirebox.Ceilingfansmaycreatedraftsthatalterburnerflamepatterns.
Sootingandimproperburningwilloccur.
9.
10.
11.
Thisisanvent-freegas-firedheater.Itusesair(oxygen)fromtheroominwhichitisinstalled.Provisionsforadequate
combustionandventilationairmustbeprovided.Refertoinstallationguidelines.
Childrenandadultsshouldbealertedtothehazardofhighsurfacetemperatureandshouldstayawaytoavoidburns
orclothingignition.
Youngchildrenshouldbecarefullysupervisedwhentheyareinthesameroomwiththeappliance.
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IMPORTANT SAFETY INFORMATION
12. Donotplaceclothingorotherflammablematerialneartheappliance.
13. Keepapplianceareaclearandfreefromcombustiblematerials,gasolineandotherflammablevaporsandliquids.
14. Anysafetyscreenorguardremovedforservicingmustbereplacedpriortooperatingtheheater.
15. Thisvent-freegasheaterisintendedtobesmokeless.Iflogsappeartosmoke,turnofftheheaterandcallaqualified
serviceperson.Initialburnoffmaycauseslightsmokeandodorduringthefirstfourhoursofoperation.
16. InputratingsareshowninBTUperhourandareforelevationsupto2,000feet.Forelevationsabove2,000feet,input
ratingsshouldbereduced4percentforeach1,000feetabovesealevel.RefertotheNationalFuelGasCode.
17. Theapplianceanditsappliancemaingasvalvemustbedisconnectedfromthegassupplypipingsystemduringany
pressuretestingofthatsystemattestpressuresinexcessof1/2psig(3.5kPa).
18. Theappliancemustbeisolatedfromthegassupplypipingsystembyclosingitsequipmentshutoffvalveduringany
pressuretestingofthegassupplypipingsystemattestpressuresequaltoorlessthan1/2psig(3.5kPa).
19. Donotusethisroomheaterifanyparthasbeenunderwater.Immediatelycallaqualifiedservicetechniciantoinspect
theroomheaterandtoreplaceanypartofthecontrolsystemandanygascontrolwhichhasbeenunderwater.
PRODUCT FEATURES
Features:
• Heating Efficiency - 99.9%
• Wide BTU Range: 27,000 - 39,900.
• Safe Operation - Oxygen Depletion Sensor (ODS).
• No Electricity Required.
• Fiber Ceramic Logs.
• Push-Button Piezo Ignitor.
• Clean Operation.
• Wide Bay Front.
• Easy Operation.
• Heats up to 1,200 square feet.
FIGURE 1. 9945 Vent-Free Pedestal
Gas Heater.
4
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SPECIFICATIONS
Natural Gas
Manifold Pressure Setting 4" w.c.
Gas Inlet Pressure
Maximum 10-1/2" w.c.
Minimum 5" w.c.
Number
Gas Rate
Max BTU/Hr Min BTU/Hr
39,900 27,000
Model Number
9945N
Type
Manual
of Burners
1
Propane / LPG
Note: An external regulator is required to reduce supply pressure to a maximum of 13" w.c.
Manifold Pressure Setting 10" w.c.
Gas Inlet Pressure
Maximum 13" w.c.
Minimum 11" w.c.
Number
Gas Rate
Model Number
9945L
Type
Manual
Max BTU/Hr
39,900
Min BTU/Hr
of Burners
27,000
1
Controls - Main control has 4 positions:
1. OFF - All gas to the burner is shut off at the control
2. IGN - Piezo ignitor allows ignition of the pilot without the use of matches or batteries
3. PILOT - Valve position to light/maintain a standing pilot
4. ON - Gas flow to complete system.
HIGH / LOW Control - Infinite control :
Rotate knob clockwise to LOW, counter clockwise to HIGH.
CONTENTS
9945L and 9945N Unvented Gas Heaters
1. Packet containing Homeowners/Installation instructions.
2. Three(3) individually wrapped fiber ceramic logs, refer to installation instructions.
3. Unvented gas heater.
CHECK THAT ALL LISTED PARTS HAVE BEEN RECEIVED
GLOVESARE RECOMMENDEDWHEN HANDLING CERAMIC FIBER LOGS
TO PREVENT SKIN IRRITATION FROM LOOSE FIBERS. LOGS ARE
FRAGILE, HANDLE WITH CARE.
Carefully inspect the contents for shipping damage and immediately inform your dealer if any damage is found.
5
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ITEMS REQUIRED FOR INSTALLATION
ITEMS REQUIRED FOR INSTALLATION
Ensure that the following items are available before proceeding with installation:
• External regulator (for propane/LPG only)
• Piping which complies with local codes
• Pipe sealant approved for use with
• Manual shutoff valve
• Sediment trap
• Pipe wrench
propane/LPG (resistant to sulfur compounds)
CODES
Adheretoalllocalcodesorintheirabsence, thelatesteditionofTHENATIONALFUELGASCODEANSIZ223.1
or NFPA54 which can be obtained from:
American National Standards Institute, Inc.
1430 Broadway
National Fire Protection Association, Inc.
Batterymarch Park
or
New York, NY 10018
Quincy, MA 02269
Due to high temperatures, do not install the heater:
• Where curtains, furniture, clothing or other flammable objects are less than 42"
from the front of the heater.
• In high traffic areas.
• In windy or drafty areas.
DONOTPLACECLOTHINGOROTHERFLAMMABLEMATERIALONORNEARTHE
APPLIANCE.
ADEQUATE COMBUSTION AND VENTILATION AIR
This heater shall not be installed in a confined space or unusually tight construction unless provisions are
provided for adequate combustion and ventilation air.
Unusually tight construction is defined as construction where:
(a) Wallsandceilingsexposedtotheoutsideatmospherehaveacontinuouswatervaporretarderwitharating
of 1 perm (6 x 10 kg per pa-sec-m²) or less with openings gasketed or sealed, and
(b) Weather stripping has been added on openable windows and doors, and
(c) Caulking or sealants are applied to areas such as joints around window and door frames, between sole
plates and floors, between wall-ceiling joints, between wall panels, at penetrations for plumbing, electrical,
and gas lines, and at other openings.
The National Fuel Gas Code defines a confined space as a space whose volume is less than 50 cubic
3
feet per 1,000 BTU per hour (4.8m per kw) of the aggregate input rating of all appliances installed in that
space and an unconfined space is defined as a space whose volume is not less than 50 cubic feet per
1,000 BTU per hour (4.8m per kw) of the aggregate input rating of all appliances installed in that space.
Rooms communicating directly with the space in which the appliances are installed, through openings not
furnished with doors, are considered a part of the unconfined space.
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INSTALLATION
Thefollowingformulacanbeusedtodeterminethemaximum
heater rating per the definition of unconfined space:
BTU/HR = (L1+L2) Ft x (W) Ft x (H) Ft x 1000
50
Consider two connecting rooms with an open area between,
with the following dimensions:(See Fig. 2, Example)
L1=15-1/2 Ft., L2=12 Ft., W=12 ft., H=8Ft
50
H (8')
L2 (12')
=52800 BTU/HR
W (12')
L1 (15-1/2')
If there were a door between the two rooms the calculation
would be based only on the room with the heater.
BTU/HR=(15-1/2) x (12) x (8) x 1000
50
FIGURE 2.
=29760 BTU/HR
When installing the appliance directly on carpeting, tile or other combustible
material, other than wood flooring, the appliance must be installed on a metal or
wood panel extending the full width and depth of the appliance.
If the area in which the heater may be operated is smaller than that defined as an
unconfined space or if the building is of unusually tight construction, provide
adequate combustion and ventilation air by one of the methods described in the
National Fuel Gas Code, ANSI Z223.1, Section 5.3, or applicable local codes.
Ensure the minimum clearances shown in FIGURE 3 are maintained for
accessibility for purposes of servicing and proper operation. Left and right
clearances are determined when facing the front of the heater.
Maintaintheseclearancesto
ensure adequate space
around air opening for
36"
8"
proper operation.
8"
Minimum clearances to combustibles:
Top of heater....................................36"
Sides of heater....................................8"
Front of heater..................................42"
Rear of heater.....................................4"
42"
4"
FIGURE 3. Minimum Clearances
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MANTEL CLEARANCES
If placing a custom mantel above the heater, you must meet minimum clearances between mantel
shelf and the top of the heater.
If your installation does not meet the below minimum clearances, you must:
• Raise the mantel to an acceptable height, OR
• Remove the mantel.
UNDERSIDE OF
MANTEL SHELF
MANTEL SHELF
DISTANCE TO
UNDERSIDE OF
MANTEL
TOP OF HEATER
ALL MINIMUM
DISTANCES ARE
IN INCHES
FLOOR
MINIMUM CLEARANCE
TO BACK WALL
8
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GAS CONNECTION
A qualified gas appliance installer must connect the fireplace to the gas supply.
Consult all local codes.
Usenewblackironorsteelpipeonly. Internallytinnedcoppertubingcanbeusedinsomeareas
when permitted by local codes. Only use pipe of 1/2" or greater diameter to allow full gas
volume to heater. Excessive pressure loss will occur if the pipe is too small.
A manual shutoff valve, union and plugged 1/8" NPT pressure tapping point must be installed
upstream of the heater (FIGURE 4).
Asedimenttrapmustbeinstalledupstreamoftheheatertopreventmoistureandcontaminants
from passing through the pipe to the heater controls and burners. Failure to do so could
prevent the heater from operating reliably (FIGURE 4).
IMPORTANT: Loosen the pipe adapter
on the flex tube before installing to the
system piping.
FIGURE 5. Gas Connection
CHECK GAS TYPE: The gas supply must be the same as stated on heater's rating plate. If the gas supply is
different, DO NOT INSTALL the heater. Contact your dealer for the correct model.
Connectingdirectlytoanunregulatedpropane/LPGtankcancauseanexplosion.
9
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GAS CONNECTION
The gas inlet connection is 3/8" NPT, made at
the side of the main control through the area at
the rear of the pedestal.
Test all gas joints from the gas meter to the
heater for leaks using soap and water solution
after completing connection. DO NOT USE
AN OPEN FLAME.
Gas Inlet Connection (3/8" NPT)
FIGURE 6. Rear View of 9945 Vent-Free Gas Heater
GAS PRESSURE CHECK
The heater regulator controls the burner pressure which should be checked at the pressure test point located on the
front of the main control and is accessible through the front of the heater. (see FIGURE 6).
The pressure should be checked with the heater burning and the control set to high (HI).
The pressure regulator is preset and locked to avoid tampering. If the pressure is not as specified in Product
Specifications (Page 5), contact your dealer and replace the regulator.
FIGURE 7. Pressure Test Point Location
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REMOVING FRONT SCREEN
1) Remove the two(2) screws and lift the front screen slightly up. (Fig. 7A) Then tilt the bottom of the screen
inward and downward. (Fig. 7B) 2) Lean the top of the screen toward you slightly (Fig. 7B) and then
proceed to carefully bring the screen straight back (Fig. 7C). NOTE: To reinstall the front screen, reverse
steps 1 & 2.
FIG 7A
FIG 7B
FIG 7C
LOG ASSEMBLY
LOG POSITIONING
Do not handle these logs with your bare hands! Always wear gloves to prevent skin irritation from ceramic fibers.
After handling logs, wash your hands gently with soap and water to remove any traces of fibers.
PROPER INSTALLATION SEQUENCE:
WARNING: Failure to position the
parts in accordance with these dia-
grams or failure to use only parts
specifically approved with this heater
may result in property damage or
personal injury.
FIGURE 8. Log Set Assembly
The positioning of the logs is critical to the safe and clean operation of this heater.
Sooting and other problems may result if the logs are not properly and firmly
situated in the appliance. Never add additional logs or embellishments such as
pine cones, vermiculite or rock wool to the heater.
11
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OPERATING INSTRUCTIONS
Avoid any drafts that alter the burner flame patterns. Do not allow fans to blow directly into the heater. Do not place
a blower inside burn area of firebox. Ceiling fans may create drafts that alter burner flame patterns. Sooting and
improper burning will occur.
This vent-free gas heater is intended to be smokeless. If logs appear to smoke, turn off the heater and call a qualified
service person. Initial burn off may cause slight smoke and odor during the first four hours of operation.
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING: If you do not follow these instructions exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.
A.
B.
This appliance is equipped with an ignition device (Piezo) which automatically lights the pilot. If Piezo fails,
thenlightthepilotusingmatches. Refertomatchlightinginstructions(page14). Whenlightingthepilot,follow
theseinstructionsexactly.
BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because
some gas is heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS
• Do not attempt to light any appliance.
• Do not touch any electric switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
C.
D.
Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn
by hand, don't try to repair it, call a qualified service technician. Force or attempted repair may result in a fire
orexplosion.
Do not use this appliance if any part has been under water. Immediately call a qualified service technician to
inspect the appliance and to replace any part of the control system and any gas control which has been under
water.
FOR YOUR SAFETY
Donotstoreorusegasolineorotherflammablevaporsandliquidsinthevicinityofthisoranyotherappliance.
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OPERATING INSTRUCTIONS
LIGHTING INSTRUCTIONS
1. STOP! Read the safety information on the
previous page.
2. Set the thermostat to lowest setting.
3. Turn off all electrical power and open the
access door.
4. Push in gas control (B) slightly and turn clock
wise
to "OFF".
5. Push "ON / OFF" switch to "OFF" position.
TOP VIEW OF BURNER ASSEMBLY
B
Ifthepilotdoesnotpopupwhenreleased, stop
and immediately call your service technician
or gas supplier. If the pilot will not stay lit after
several tries, turn control knob to "OFF" and
call your gas supplier.
D
A
9. Turn valve knob clockwise
to "ON".
10. Wait about one minute then turn burner switch
(D) to "ON". It will take a few minutes for the
thermopile located on top of the pilot to heat
up.
C
NOTE: Knob cannot be turned from "PILOT" to
"OFF" unless knob is pushed in slightly. Do not
force.
NOTE: If unit is equipped with remote "on-off" wall
switch, switch must be in "on" position for burner to
light.
6. Waitfive(5)minutestoclearoutanygas. Then
smell for gas, including near the floor. If you
smell gas, STOP! Follow "B" in the safety
information on the previous page. If you don't
smell gas, go on to the next step.
11. Adjust flame height with the high-low knob (C).
12. Turn on all electrical power to the appliance.
13. Close access door.
7. Depress knob (B) and turn gas control knob
counterclockwise
to "Pilot".
NOTE: It is normal for the new heater to give off
some odor the first time it is burned. This is due to
the curing of the paint and any undetected oil from
the manufacturing process.
Itisrecommendedthatyouburnyournewheaterfor
at least two(2) hours the first time you use it. If
optional fan kit is installed, leave it turned off for the
break in period.
8. Push in knob (B) all the way and hold in.
Immediately light the pilot by pushing in on the
piezo button (A). Continue to hold the control
knob in for about one(1) minute after the pilot
is lit. Release knob and it will pop back up.
Pilot should remain lit. If it goes out, repeat
steps 4 through 8.
TURN OFF GAS TO APPLIANCE
1. Open access door.
2. Turn switch (D) to "OFF"
3. Unplug all electric power (optional blower) if service is to be performed.
4. Push in gas control knob slightly and turn clockwise
to the "OFF" position.
5. Close access door.
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OPERATING INSTRUCTIONS
Wait 30 seconds before readjusting the heater when the control has been turned
down to a lower setting.
MATCH LIGHTING INSTRUCTIONS
If the pilot will not light using the piezo ignitor, you can light the pilot with a match. First, locate the pilot. The pilot
is located between the burner tube on the right end (facing the unit), inside the firebox. To light pilot with a match,
move the gas control (knob B, pg. 13) to the pilot position and hold down. Light match and place near pilot. Once
pilot is lit, continue to hold the knob for about ten seconds. Then follow steps 9 thru 13 on page 13.
CHECKING FLAME APPEARANCE
Flamesfromthepilotandburnershouldbevisuallycheckedwhentheheaterisinstalled. Inaddition,aperiodiccheck
of the flames should be made.
PILOT FLAME
The pilot flame should always be present when the
heaterisinoperationandshouldjusttouchthetopofthe
thermocouple tip (FIGURE 9).
Ifthepilotflamedoesnottouchthethermocouple,then
the main burner is unlikely to function reliably
(FIGURE 10).
FIGURE 10. Incorrect Shape of Pilot Flame
FIGURE 9. Pilot Flame
CLEANING / SERVICING
Annualinspectionandcleaningbyyourdealerorqualifiedservicetechnicianisrecommendedtopreventmalfunction
and/orsooting.
Turn off heater and allow to cool before cleaning.
WARNING
Remove front screen, (see page 11). Carefully lift screen from locating stubs and set aside during cleaning. Refer to
instructions on page 11 for installation of screen. Do not operate the unit with the screen removed.
Removelogs,handlingcarefullybyholdinggentlyateachend.Glovesarerecommendedtopreventskinirritationfrom
ceramic. If the skin becomes irritated, wash gently with soap and water. Refer to manual for correct log placement.
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CLEANING / SERVICING
Periodic Cleaning
• Do not use cleaning fluid to clean logs or any part of heater.
• Logs - Brush with soft bristle brush or vacuum with brush attachment.
• Vacuum loose particles and dust from the front and rear burner, control, and piezo.
• Inspect burner's and air intake hole. Remove lint or particles with vacuum.
• External case should be dusted and wiped with a wet soapy cloth.
Annual Cleaning/Inspection
• Inspect and clean burner air intake holes.
• Inspect and clean all burner ports.
• Inspect ODS pilot for operation and accumulation of lint at air intake holes.
• Verify flame pattern and log placement for proper operation.
• Verify smooth and responsive ignition of main burner and rear burner.
FLAME APPEARANCE
In normal operation at full rate after 15 minutes the following flame appearance should be observed.
FLAMES
The flames behind log #1, and in between log #2, should be yellow with a blue base. (See Below, Figure 11)
#2
#1
FIGURE 11. Flames - Natural Gas and LP Gas
15
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HEATER ASSEMBLY REPLACEMENT PARTS
9
7
18
10
6
19
17
3
5
8
16
15
2
13
14
12
4
11
1
20
16
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PARTS LIST FOR HEATER ASSEMBLY
KEY
1
PART #
B24767
B69198
24891
24768
24772
B24769
24771
24770
B24773
24774
B24457
89899
83323
24800
24799
69236
89916
89917
89824
83343
24892
24886
DESCRIPTION
QTY.
BASE
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
4
1
86
2
1
2
PEDESTAL WELDMENT
FIREBOX BOTTOM (NATURAL)
FIREBOX BOTTOM (L.P. PROPANE)
FIREBOX WRAPPER
3
4
5
6
CABINET WRAPPER
FIREBOX TOP
7
8
FRONT
9
CABINET TOP
10
11
12
13
14
15
16
17
18
N/S
N/S
19
20
LOUVER FRAME
CONTROL DOOR
BRASS KNOB
8-32 x 3/8 MACHINE SCREW
WINDOW FRAME BRACKET (BOTTOM)
WINDOW FRAME BRACKET (TOP)
WINDOW FRAME ASSEMBLY
EXTRUDED LOUVER (LONG)
EXTRUDED LOUVER (SHORT)
MAGNETIC LATCH
#10 x 1/2 HX HD SCREWS
HEAT SHIELD
ROCKER SWITCH BRACKET
N/S = NOT SHOWN
17
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BURNER & LOG ASSEMBLY
17
15
16
11
1
12
5
14
4
6
3
2
10
9
7
13
8
18
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PARTS LIST FOR GENERATOR AND LOG ASSEMBLY
KEY
1
PART #
24777
24881
81198
81202
83464
89937
89938
83172
89921
89922
89855
89856
89841
89842
89920
C42373
80376
24888
89939
89940
89941
DESCRIPTION
QTY.
BURNER PLATE
1
2
1
1
4
1
1
11
1
1
1
1
1
1
1
1
1
2
1
1
1
2
CONTROL BRACKET
3
CONTROL VALVE (NATURAL)
CONTROL VALVE (LIQUID PROPANE)
10-32 x 3/8 PH HD MACHINE SCREW
BURNER GAS LINE (# 31 ORIFICE-NAT.)
BURNER GAS LINE (# 49 ORIFICE-L.P.)
#10A x 1/2 HX HD SCREW (2 to MOUNT PILOT)
"O.P. AMERICA" NAT. PILOT
"O.P. AMERICA" L.P. PILOT
PILOT TUBE (11")
-
4
5
-
N/S
6
-
7
8
3/16" LOXIT FITTING
9
3/16" COMPRESSION NUT
3/16" COMPRESSION SLEEVE
BURNER
10
11
12
13
14
15
16
17
ROCKER SWITCH
WIRE ASSEMBLY
LOG SUPPORT
REAR UNILOG
FRONT LOG
CROSS LOG
N/S = NOT SHOWN
19
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TROUBLESHOOTING
Turn off and let cool before servicing. Only a qualified service person should
service and repair heater.
NOTE: All troubleshooting items are listed in order of operation.
POSSIBLE CAUSE
REMEDY
OBSERVED PROBLEM
• Ignitor electrode positioned wrong
• Replace ignitor.
• Ignitor electrode is broken
• Replace ignitor.
• Ignitor electrode not connected to ignitor • Reconnect ignitor cable.
cable.
Whenignitorbuttonispressed,thereisno
spark at ODS/Pilot.
• Ignitor cable pinched or wet keep ignitor • Free ignitor cable if pinched by any
cable dry.
metal or tubing.
• Broken ignitor cable
• Bad piezo ignitor
• Replace ignitor cable.
• Replace piezo ignitor.
• Appliance burning vapors from paint, hair •Ventilateroom.Stopusingodor-causing
spray, glues, etc.
products while heater is running.
Appliance produces unwanted odors.
Appliance shuts off in use.
• Gas leak.
• Locate and correct all leaks.
• Not enough fresh air is available for ODS/ • Open window and/or door ventilation
Pilot to operate.
• Low line pressure.
• Contact local gas company.
• ODS/Pilot is partially clogged.
• Gas leak.
• Clean ODS/Pilot.
• Locate and correct all leaks.
Gas odor even when control knob is in
OFF position.
• Control valve defective.
• Replace control valve.
• Gas supply turned off or manual shutoff valve • Turn on gas supply or open manual shutoff
closed.
valve.
• Control knob not in PILOT position.
• Turn control knob while in PILOT position.
•ControlknobnotpressedinwhileinPilot position • Press in control knob while in PILOT position.
• Air in gas lines when installed.
• Continue holding down control knob.
Repeat igniting operation until air is removed
• ODS/Pilot is clogged.
When ignitor button is pressed, there is
spark at ODS/Pilot, but no ignition.
• Replace ODS/pilot assembly or get it
serviced
• Gas regulator setting is not correct.
• Control knob not fully pressed in.
• Replace gas regulator.
• Press in control knob fully.
• Control knob not pressed in long enough.
• Manual shutoff valve not fully open.
ODS/Pilotlights,butflamegoesoutwhen
control knob is released.
•AfterODS/pilotlights,keepcontrolknob
pressed in 30 seconds.
• Fully open manual shutoff valve.
20
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TROUBLESHOOTING, CONTINUED...
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
•Thermocoupleconnectionlooseat
controlvalve.
• Hand tighten until snug, then
tighten 1/4 turn more.
• Contact local gas company.
ODS/Pilot lights, but flame goes out
When control knob is released.
(continued from page 20)
• Pilot flame not touching thermocouple,
which allows thermocouple to cool,
causing pilot flame to go out. This
problem could be caused by either
low gas pressure, or a dirty or partially
cloggedODS/pilot.
•Thermocoupledamaged.
• Control valve damaged.
•Replacethermocouple.
•Replacecontrolvalve.
• Burner orifice is clogged.
• Burner orifice diameter is too small.
• Inlet gas pressure is too low.
• Clean burner or replace burner
orifice.
• Replace burner orifice.
• Contact qualified service person.
One or both burners do not
light after ODS/pilot is lit.
• Manifold pressure is too low.
• Burner orifice is clogged.
• Contact local gas company.
• Clean burner or replace burner
orifice.
Burner backfires during
combustion.
• Burner orifice is clogged or damaged.
• Burner is damaged.
• Clean burner or replace burner
orifice.
Slight smoke or odor during
initialoperation.
• Gas regulator defective.
• Replace burner.
• Replace gas regulator.
• Vapors from paint or curing process
of logs.
• Problem will stop after a few hours
of operation. Run the heater with
the damper open if you have one,
or open a window for the first few
hours.
Logs appear to smoke after
initialoperation.
• Log heater is intended to be
smokeless. Turn OFF heater and
callqualifiedserviceperson.
• Turning control knob to HIGH
position when burner is cold.
• Turn control knob to LOW
position and let warm up for a
minute.
Heater produces a whistling
noise when burner is lit.
• Air in gas line.
• Operate burner until air is removed
from line. Have gas line checked
by local gas company.
• Dirty or partially clogged burner
orifice.
• Clean burner or replace burner
orifice.
• LP-regulator shut down due to inlet
pressure too high.
• Verify LP tank regulator is
installed and set to 11" to 13"w.c.
Replaceregulatoronheater.
No gas to pilot.
If the gas quality is bad, your pilot may not stay lit, the burners may produce
soot
and the heater may backfire when lit. If the gas quality or pressure is low, contact
your local gas supplier immediately.
21
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OPTIONAL KITS FOR THE 9945
THIS OPTIONAL F40 BLOWER KIT IS AVAILABLE WHERE YOU PURCHASED THIS
HEATER OR YOU CAN ORDER DIRECT FROM THE FACTORY BY CONTACTING
THE PARTS DEPARTMENT AT THE NUMBER AND ADDRESS ON THE BACK
PAGE OF THIS MANUAL.
BACK VIEW OF 9945
INDICATOR
ON
OFF
R
E
M
O
T
E
SKYTECH
1001
MODEL: RCK60
REMOTE CONTROL KIT
22
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OPTIONAL KITS FOR THE 9945 continued...
MODEL: WSK60
WALL SWITCH KIT
10
21
32
c
50 60 70 80 90
10
21
32
c
50 60 70 80 90
MODEL: WTK60
WALL THERMOSTAT KIT
WIRING DIAGRAM FOR GENERATOR ASSEMBLY
THERMOPILE
CONTROL
WIRING
TERMINALS
ROCKER
SWITCH
23
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WIRING GUIDE FOR 9945
The following Wiring Guide is to help assist in the wiring of any combination of the Optional Kit listed below:
RCK60 - REMOTE CONTROL KIT
WSK60 - WALL SWITCH KIT
WTK60 - WALL THERMOSTAT KIT
IMPORTANT: Before ordering or installing any to the available kits, remember the following...
1) Not all Optional Kits will work together. Example: The (RCK60) Remote Control Kit,
the (WSK60) Wall Switch Kit, and the (WTK60) Wall Thermostat Kit cannot be used at the
time.
2) When using any of the three Optional Kits listed above, the Rocker Switch on the unit
must be set to "OFF".
3) If you choose to use any combination of the above Optional Kits, only one of those kits
can be used at a time. Example: If you have the Optional Remote Control Kit and the Optional
Wall Switch Kit, operation of the unit must be controlled by one or the other. If you want to
use the remote control, simply turn the Wall Switch to "OFF".
STANDARD WIRING FROM FACTORY:
CONTROL VALVE
S
it
ROCKER
SWITCH
E
A
WIRING OF THE RCK60 - REMOTE CONTROL KIT:
Remember the Rocker
Switch must be turned
to "OFF" while using the
Remote Control.
CONTROL VALVE
REMOTE CONTROL
SENSOR
S
it
ROCKER
SWITCH
E
A
PIGGYBACK
DISCONNECT
WIRING WITH THE WTK60 - WALL THERMOSTAT KIT:
10
21
32
c
WALL
50 60 70 80 90
THERMOSTAT
CONTROL VALVE
Remember the Rocker
Switch must be turned
to "OFF" while using the
Wall Thermostat.
10
21
32
c
50 60 70 80 90
S
it
ROCKER
SWITCH
E
A
PIGGYBACK
DISCONNECT
24
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WIRING GUIDE FOR 9945 continued...
WIRING WITH THE WSK60 - WALL SWITCH KIT:
Remember the Rocker
Switch must be turned
to "OFF" while using the
Wall Switch.
WALL
SWITCH
CONTROL VALVE
S
it
ROCKER
SWITCH
E
A
PIGGYBACK
DISCONNECT
WIRING WITH THE WTK60 - WALL THERMOSTAT KIT AND
THE RCK60 - REMOTE CONTROL KIT:
Note: When combining these Optional kits, only one kit can be used at a time. Example: If you want to control the
operation of this unit with the Remote Control then you must turn the Wall Thermostat "OFF". When trying to use two
Optional kits at once, one will always override the other.
PIGGYBACK
DISCONNECT
10
21
32
c
50 60 70 80 90
WALL
THERMOSTAT
CONTROL VALVE
10
21
32
c
50 60 70 80 90
REMOTE CONTROL
SENSOR
L
S
it
ROCKER
SWITCH
E
A
WIRING WITH THE WSK60 - WALL SWITCH KIT AND
THE RCK60 - REMOTE CONTROL KIT:
Note: When combining these Optional kits you must remember that only one of them can be used at a time. Example: If
you want to control the operation of this unit with the Remote Control then you must turn the Wall Switch "OFF". When
trying to use two Optional kits at once, one will always override the other.
PIGGYBACK
DISCONNECT
WALL
SWITCH
CONTROL VALVE
REMOTE CONTROL
SENSOR
L
S
it
ROCKER
SWITCH
E
A
For further information, contact our Customer Service Department at United States Stove Company, 227 Industrial Park
Road, P.O. Box 151, South Pittsburg, Tn. 37380. (423)837-2100
25
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NOTES
26
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LIMITED WARRANTY POLICY
This vent-free gas heater is warrantied for a period of one year, logs for one year, and
burners for One Year, from date of purchase against defects in material or workman-
ship. This warranty covers only the cost of defective parts and applies only to the
original consumer purchaser. The replacement of defective parts will be without
charge. This warranty does not extend to (1) heater damage by accident, neglect,
misuse, abuse, alteration, negligence of others, including the installation thereof by
unqualified installers, (2) the costs of removal, reinstallation or transportation of
defective parts on the heater, or (3) incidental or consequential damage.
THIS WARRANTY IS EXPRESSLY IN LIEU OF OTHER WAR-
RANTIES,EXPRESSORIMPLIED,INCLUDINGTHEWARRANTY
OF MERCHANTABILITY OF FITNESS FOR PURPOSE AND OF
ALL OTHER OBLIGATIONS OR LIABILITIES, UNITED STATES
STOVE COMPANY DOES NOT ASSUME FOR IT, ANY OTHER
OBLIGATION OR LIABILITY IN CONNECTION WITH THE SALE
OR USE OF THIS HEATER.
The heater (MUST BE INSTALLED BY A QUALIFIED INSTALLER) in accor-
dance with the instructions furnished with the unit. The defective heater should be
returned at your expense to the dealer from whom the product was purchased or an
authorized service agent. Any products presented for warranty repair must be
accompanied by a dated proof of purchase. Since some states do not allow the
exclusion on limitation of incidental or consequential damages, or on how long an
implied warranty lasts, the above limitations may not apply to you.
27
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OWNERS MANUAL
HOW TO ORDER REPAIR PARTS OR "OPTIONS"
THIS MANUAL WILL HELP YOU TO OBTAIN EFFICIENT, DEPENDABLE
SERVICE FROM THE FURNACE, AND ENABLE YOU TO ORDER REPAIR
PARTS CORRECTLY.
KEEP IN A SAFE PLACE FOR FUTURE REFERENCE.
WHEN WRITING, ALWAYS GIVE THE FULL MODEL NUMBER WHICH IS
ON THE NAMEPLATE ATTACHED INSIDE THE FRONT OF THE HEATER.
WHEN ORDERING REPAIR PARTS OR OPTIONS, ALWAYS GIVE THE
FOLLOWING INFORMATION AS SHOWN IN THIS LIST:
1. The PART NUMBER
2. The PART DESCRIPTION
3. The MODEL NUMBER:
9945N
9945L
4. The SERIAL NUMBER
BEFORE INSTALLING YOUR HEATER, FILL IN THE SERIAL
NUMBER IN THE SPACE PROVIDED ABOVE FOR YOUR
RECORDS.
UNITED STATES STOVE COMPANY
227 Industrial Park Rd., P.O. Box 151
South Pittsburg, TN 37380
Phone #: (423) 837-2100
Website: WWW.USSTOVE.COM
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