TOA Electronics Indoor Fireplace P0055 DRG User Manual

HOMEOWNER'S CARE AND  
OPERATION INSTRUCTIONS  
B-VENT  
GHC/GRD-5500 SERIES  
B-VENTED GAS FIREPLACES  
P/N 725,029M REV. C 07/2004  
MODELS  
Millivolt  
Electronic  
Models  
GHC-5500N  
GHC-5500P  
GRD-5500N  
GRD-5500P  
Models  
GHC-5500NE-2  
GHC-5500PE-2  
GRD-5500NE-2  
GRD-5500PE-2  
GRD-5500 SHOWN  
RETAIN THESE INSTRUCTIONS  
FOR FUTURE REFERENCE  
AVERTISSEMENT: ASSUREZ-VOUS DE BIEN SUIVRE  
LESINSTRUCTIONSDONNÉDANSCETTENOTICEPOUR  
RÉDUIRE AU MINIMUM LE RISQUE D'INCENDIE OU  
POUR ÉVITER TOUT DOMMAGE MATÉRIEL, TOUTE  
BLESSURE OU LA MORT.  
WH Report No. J20046562  
WARNING:IFTHEINFORMATIONINTHISMANUAL  
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLO-  
SION MAY RESULT CAUSING PROPERTY DAM-  
AGE, PERSONAL INJURY OR LOSS OF LIFE.  
POURVOTRESÉCURITÉ: Nepasentreposerniutiliser  
d'essencenid'autrevaperursouliquidesinflammables  
dans le voisinage de cet appareil ou de tout autre  
appareil.  
FOR YOUR SAFETY: Do not store or use gasoline  
or other flammable vapors or liquids in the vicin-  
ity of this or any other appliance.  
POUR VOTRE SÉCURITÉ: Que faire si vous sentez une  
odeur de gaz:  
FOR YOUR SAFETY: What to do if you smell gas:  
• Ne pas tenter d'allumer d'appareil.  
• Netouchezàaucuninterrupteur. Nepasvousservir  
des téléphones se trouvant dans le batiment où  
vous vous trouvez.  
• Evacuez la piéce, le bâtiment ou la zone.  
• Appeflez immédiatement votre fournisseur de gaz  
depuis un voisin. Suivez les instructions du  
fournisseur.  
• DO NOT light any appliance.  
• DO NOT touch any electrical switches.  
• DO NOT use any phone in your building.  
• Immediately call your gas supplier from a  
neighbor’s phone.  
Follow your gas suppliers instructions.  
• Ifyourgassuppliercannotbereached, callthe  
fire department.  
• Si vous ne pouvez rejoindre le fournisseur de gaz,  
appelez le service dos incendies.  
Installation and service must be performed by a  
qualified installer, service agency or the gas  
supplier.  
L'installationetservicedoitêtreexécutéparunqualifié  
installer, agence de service ou le fournisseur de gaz.  
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Millivolt appliances may be fitted at time of  
manufacture with either a Robertshaw millivolt  
gascontrolvalveorRobertshawelectronic gas  
control valve. Both valves have been tested  
with and approved for use with these appli-  
ances and are listed accordingly.  
WARNING: B-VENTAPPLIANCESARENOT  
DESIGNED TO OPERATE IN NEGATIVELY  
PRESSUREDENVIRONMENTS(PRESSURE  
WITHIN THE HOME IS LESS THAN PRES-  
SURES OUTSIDE). SIGNIFICANT NEGA-  
TIVELY PRESSURED ENVIRONMENTS  
CAUSED BY WEATHER, HOME DESIGN,  
OR OTHER DEVICES MAY IMPACT THE  
OPERATION OF THESE APPLIANCES.  
NEGATIVE PRESSURES MAY RESULT IN  
POOR FLAME APPEARANCE, SOOTING,  
DAMAGE TO PROPERTY AND/OR SEVERE  
PERSONAL INJURY. DO NOT OPERATE  
THESEAPPLIANCESINNEGATIVELYPRES-  
SURED ENVIRONMENTS.  
A ¹⁄₈" NPT test gage connection is provided on  
either gascontrolvalveadjacenttotheoutletto  
the main burner.  
Piezo  
Ignitor  
Minimum inlet gas pressure to the appliance is  
4.5 inches water column (8.55 MmHg) for  
naturalgasand11incheswatercolumn(20.55  
MmHg) for propane for the purpose of input  
adjustment.  
Millivolt  
Gas Valve  
Figure 1  
Control Compartment Access - GRD-5500  
Units  
Maximum inlet gas supply pressure to the  
appliance is 10.5 inches water column (19.95  
MmHg) for natural gas and 13.0 inches water  
column (24.25 MmHg) for propane.  
WARNING: CHILDREN AND ADULTS  
SHOULD BE ALERTED TO THE HAZARDS  
OFHIGHSURFACETEMPERATURES.USE  
CAUTION AROUND THE APPLIANCE TO  
AVOID BURNS OR CLOTHING IGNITION.  
YOUNG CHILDREN SHOULD BE CARE-  
FULLY SUPERVISED WHEN THEY ARE IN  
THE SAME ROOM AS THE APPLIANCE.  
The lower control compartment access panel  
has been designed to cover the control com-  
partment from view. Lighting instructions are  
displayed on the back side of the cover for easy  
reference. To attach the panel to the appliance,  
hook both ends of the panel over the two  
brackets mounted on each side of the front  
combustion opening. The cover should hang  
from the brackets with the flared edge at the  
bottom allowing for a small air gap between the  
cover and the appliance. To remove, lift the  
panel and pull away from the unit.  
The appliance must be isolated from the gas  
supply piping system (by closing its individual  
manualshut-offvalve)duringanypressuretest-  
ing of the gas supply piping system at test  
pressures equal to or less than ¹⁄psig (3.5 kPa).  
The appliance and its individual shut-off valve  
must be disconnected from the gas supply  
piping system during any pressure testing of  
that system at pressures in excess of ¹⁄₂ psig  
(3.5 kPa).  
WARNING: DO NOT PLACE CLOTHING  
OR OTHER FLAMMABLE MATERIALS  
ON OR NEAR THIS APPLIANCE.  
ControlCompartmentAccess-GHC-5500Units  
The GHC lower control compartment access is  
provided by removing the three louvers .  
These appliances must not be connected to a  
chimney or flue serving a separate solid fuel  
burning appliance.  
AVERTISSEMENT: SURVEILLER LES  
ENFANTS. GARDER LES VÊTEMENTS,  
LES MEUBLES, L'ESSENCE OU AUTRES  
LIQUIDES À VAPEUR INFLAMMABLES  
LIN DE L'APPAREIL.  
To remove the louvers, pull them straight out  
from the unit. To replace, tilt each of them with  
the top edge over the top of each peg and snap  
the lower edge to lock in place. See Figure 2.  
WARNING: FAILURE TO COMPLY WITH  
THEINSTALLATIONANDOPERATINGIN-  
STRUCTIONS PROVIDED IN THIS DOCU-  
MENTWILLRESULTINANIMPROPERLY  
INSTALLED AND OPERATING APPLI-  
ANCE, VOIDING ITS WARRANTY. ANY  
CHANGE TO THIS APPLIANCE AND/OR  
ITS OPERATING CONTROLS IS DANGER-  
OUS. IMPROPERINSTALLATIONORUSE  
OF THIS APPLIANCE CAN CAUSE SERI-  
OUS INJURY OR DEATH FORM FIRE,  
BURNS, EXPLOSION OR CARBON MON-  
OXIDE POISONING.  
OPERATION AND CARE OF YOUR  
APPLIANCE  
Applianceoperationmustbecontrolledthrough  
a remotely located wall switch (factory-sup-  
plied). Separate switches may provide inde-  
pendent control for the remote controlled fire-  
place operation (optional equipment).  
Gas Controls/Control Compartment  
Access  
Louver  
Pegs  
Carbon Monoxide Poisoning: Early signs of  
carbon monoxide poisoning are similar to  
the flu with headaches, dizziness and/or  
nausea. If you have these signs, obtain fresh  
air immediately. Turn off the gas supply to  
the appliance and have it serviced by a  
qualified professional, as it may not be op-  
erating correctly.  
Louvers  
See Figure 1 for the location of the gas control  
valve and piezo ignitor (millivolt units).  
GHC-5500  
Figure 2  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
3
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AVERTISSEMENT: POUR UTILISATION  
UNIQUEMENT AVEC LES PORTES EN  
VERRE CERTIFIÊES AVEC L'APPAREIL.  
ON/OFF SWITCH  
CONTROL KNOB  
P
C
M
MILLIVOLT GAS CONTROL VALVE  
ELECTRONIC GAS CONTROL VALVE  
Figure 4  
Figure 3  
Glass Doors  
Fully Open or  
Fully Closed  
(Bi-Fold Doors)  
Operation of millivolt and electronic gas con-  
trol systems are different. Before lighting and  
operatingyourappliancedetermineifyouhave  
a millivolt or electronic appliance. Millivolt  
appliances will be fitted with the gas control  
valve shown in Figure 3. Appliances with  
electronic systems will be fitted with the elec-  
tronic valve shown in Figure 4. Familiarize  
yourself with the differing controls for the  
valve your appliance uses.  
2. Keep lower control compartment clean by  
vacuuming or brushing at least twice a year.  
More frequent cleaning may be required due  
to excessive lint from carpeting, bedding ma-  
terials, etc. It is important that control com-  
partments, burners and circulating air pas-  
sageways of the appliance be kept clean.  
Figure 5  
Outside Combustion Air Controls  
Appliances may be installed with an outside  
(make-up air) vent system that is designed to  
provide the appliance with outside make-up  
air for combustion when in operation. The  
shut-off lever for the outside air system is  
standard on all appliances but should not be  
operated if the complete system is not in-  
stalled. Refer to Figure 6 for GHC/GRD-5500  
series units.  
3. Always turn off gas to the pilot (millivolt  
appliances)beforecleaning. Beforere-lighting,  
refer to the lighting instructions in this manual.  
Appliance lighting instructions may also be  
found on the pull-out label located near the  
gas valve in the control compartment.  
Millivolt Appliance Lighting  
To light millivolt appliances refer to the de-  
tailed lighting instructions found in both En-  
glish and French on pages 10 and 11 of these  
instructions respectively. Appliance lighting  
instructions may also be found on the pull-  
out label located near the gas valve in the  
control compartment. Refer to Figure 1 for  
the piezo ignitor location used with your  
appliance.  
4. Always keep the appliance area clear and  
free from combustible materials, gasoline and  
other flammable liquids.  
The hand operated shut-off lever is located in the  
left side of the fireplace opening behind the  
screen. To open, pull all the way. The outside air  
damper should be fully open when the fireplace  
is in use and completely closed when the fire-  
place is not being used. This will prevent outside  
cold air from entering the dwelling.  
5. Remember, Millivolt appliances have a con-  
tinuous burning pilot flame. Exercise caution  
when using products with combustible vapors.  
6. Clean the optional glass doors only when  
necessary. Wipe surface with clean, damp-  
ened, soft cloth. Follow with dry, soft towel as  
desired. Take care not to scratch the glass  
surface.  
Your appliance comes supplied with remote  
wall switch or can be used with an optional  
remote control kit. The appliance main burner  
may be turned on and off with the wall switch  
or remote control.  
WARNING: DO NOT OPERATE THE  
SHUTOFF LEVER UNLESS A COMPLETE  
OUTSIDE AIR VENT SYSTEM HAS BEEN  
INSTALLED WITH YOUR APPLIANCE.  
Electronic Appliance Lighting  
WARNING: DO NOT USE ABRASIVE  
CLEANERS. NEVER CLEAN THE GLASS  
WHEN IT IS HOT.  
To light electronic appliances refer to the de-  
tailed lighting instructions found in both En-  
glish and French on pages 12 and 13 of these  
instructions respectively. Appliance lighting  
instructions may also be found on the pull-  
out label located near the gas valve in the  
control compartment.  
CAUTION: DO NOT ATTEMPT TO TOUCH THE  
DOORSWITHYOURHANDSWHILETHEFIRE-  
PLACE IS IN USE. ALWAYS USE DOOR  
HANDLES. DOORS WILL BECOME VERY HOT  
WHEN FIREPLACE IS IN USE.  
Your appliance comes supplied with remote  
wall switch or can be used with an optional  
remote control kit. The appliance main burner  
may be turned on and off with the wall switch  
or remote control.  
WARNING: FIREPLACES EQUIPPED  
WITH OPTIONAL ACCESSORY DOORS  
SHOULD BE OPERATED ONLY WITH THE  
DOORSFULLYOPENORFULLYCLOSED  
(FIGURE 5 ). THIS APPLIANCE MAY  
ONLY BE FITTED WITH DOORS CERTI-  
FIED FOR USE WITH THE APPLIANCE.  
Combustion Air Control Lever  
1. When lit for the first time, this appliance will  
emit a slight odor for an hour or two. This is  
due to the burn-inof internal paints and  
lubricants used in the manufacturing process.  
Combustion Air Control Lever  
on GHC/GRD-5500 Series Units  
Figure 6  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
4
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Maintenance  
Manual Reset Limit Switch  
The appliance and venting system should be  
thoroughly inspected before initial use and at  
least annually by a qualified service techni-  
cian. Proper maintenance and use will require  
more frequent, less extensive inspections and  
servicing by the homeowner.  
Generally, annual inspections should be per-  
formedbyaqualifiedservicetechnician. More  
frequent periodic inspections and cleanings  
should be performed by the homeowner. Any  
discrepancies discovered by the homeowner  
should result in a call to a qualified service  
technician to effect the repair or correction.  
Lintel  
Extention  
Refer to the maintenance schedule for mainte-  
nance tasks, procedures, periodicity and by  
whom they should be performed.  
Firebox Wrapper  
Limit Switch Screws  
IMPORTANT: TURNOFFGASANDANYELEC-  
TRICAL POWER BEFORE SERVICING THE  
APPLIANCE.  
Figure 7  
Adjustment  
If the air shutter opening is too small sooting  
may develop. Sooting is indicated by black  
puffsdevelopingatthetipsofverylongorange  
flames. Sootingresultsinblackdepositsform-  
ing on the logs, appliance inside surfaces and  
onexteriorsurfacesadjacenttotheventtermi-  
nation. Sooting is caused by incomplete com-  
bustion in the flames and a lack of combustion  
air entering the air shutter opening.  
MANUALLY-RESET BLOCKED FLUE SAFETY  
SWITCH  
To adjust the flame, position the air shutter to  
the nominal setting (Figure 8 ). Allow the  
burner to operate for at least 30 minutes.  
Observe the flame continuously. If it appears  
weak or sooty as previously described, adjust  
the air shutter open or closed until desired  
effect is achieved.  
This appliance is equipped with a manually-  
reset blocked flue safety switch. Refer to  
Figure 7 for its location. If during appliance  
operation, the flame goes out (independently  
of the burner on/off wall switch), it may be due  
to the operation of this safety limit switch.  
First allow the appliance to cool. Then reset  
the safety switch by pushing the red reset  
button on the back of the switch.  
To achieve a warm yellow to orange flame with  
an orange body that does not soot, the shutter  
opening must be adjusted between these two  
extremes.  
Orifice  
CAUTION: THE ELECTRONIC APPLIANCE  
SHOULD BE TURNED OFF BEFORE REMOV-  
ING THE LIMIT SWITCH.  
Air Shutter  
No smoke or soot should be present. Reposi-  
tion the log set if the flames impinge on any of  
them.  
Adjusting  
Set Screw  
To access the safety limit switch reset button,  
remove the two screws. Pull out limit switch  
withlowvoltagewiresattached, pushthereset  
button, then reinstall the limit switch. At this  
time turn the electronic appliance back on.  
If sooting conditions exist, the air shutter  
opening on the main burner can be adjusted.  
Normally, the more offsets in the vent system,  
the greater the need for the air shutter to be  
opened further.  
Burner Tube  
The appliance should then relight and remain  
lit. If this does not occur, turn off the appli-  
ance and call a qualified service technician.  
Nominal Air Shutter Settings:  
Natural Gas - Closed  
Propane Gas - 1/6 in. (1.59 mm) Open  
WARNING: AIR SHUTTER ADJUSTMENT  
SHOULD ONLY BE PERFORMED BY A  
QUALIFIED PROFESSIONAL SERVICE  
TECHNICIAN.  
Burner Adjustments  
Figure 8  
Flame Appearance and Sooting  
Proper flame appearance is a matter of taste.  
Generally most people prefer the warm glow of  
a yellow to orange flame. Appliances operated  
with air shutter openings that are too large, or  
with long vertical vent runs, will exhibit flames  
that are blue and transparent. These weak, blue  
and transparent flames are termed anemic.  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
5
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Maintenance Schedule  
Annually (Before the onset of the Burning Season)  
Maintenance Task  
Accomplishing Person  
Procedure  
Inspecting/Cleaning Burner, Logs  
and Controls  
Qualified Service Technician  
Inspect valve and ensure it is properly operat-  
ing. Check piping for leaks. Vacuum the  
controlcompartment,fireplacelogsandburner  
area.  
Check Flame Patterns and Flame Height  
Inspecting/Cleaning Pilot and Burner  
Qualified Service Technician  
Qualified Service Technician  
Refer to Figure 10 on page 7 and verify the  
flame pattern and height displayed by the  
appliance conforms to the picture.  
Refer to Figure 11 on page 7. Remove any  
surface build-up on pilot and burner assem-  
bly. Wipe the pilot nozzles, ignitor/flame rod  
and hood. Ensure the pilot flame engulfs the  
flame sensor as shown.  
Checking Vent System  
Qualified Service Technician  
Inspect the vent system at the top and at the  
base (within the firebox) for signs of blockage  
or obstruction. Look for any signs of disloca-  
tion of the vent components.  
Appliance Checkout  
Qualified Service Technician  
Perform the appropriate appliance checkout  
procedure detailed in this manual.  
Replacing Rockwool Ember Materials  
Homeowner/Qualified Services Technician  
Remove old ember materials and vacuum the  
rockwoolplacementarea. Placenewrockwool  
as described in this document.  
Periodically (After the Burning Season)  
Maintenance Task  
Accomplishing Person  
Procedure  
Cleaning Firebox Interior  
Homeowner  
Carefully remove logs, Rockwool and volcanic  
stone if used. Vacuum out interior of the  
firebox. Clean firebox walls and log grate.  
Replace logs, Rockwool and volcanic stone as  
detailed in this manual.  
Check Flame Patterns and Flame Height  
Checking Vent System  
Homeowner  
Homeowner  
Homeowner  
Refer to Figure 10 on page 7 and verify the  
flame pattern and height displayed by the  
appliance conforms to the picture. Flames  
must not impinge on the logs.  
Inspect the vent system at the top and at the  
base (within the firebox) for signs of blockage  
or obstruction. Look for any signs of disloca-  
tion of the vent components.  
Cleaning Optional Glass Doors  
Clean as necessary following the directions  
provided in this manual. DO NOT TOUCH OR  
ATTEMPT TO CLEAN DOORS WHILE THEY  
ARE HOT.  
6
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Logs and Rockwool (Glowing Embers)  
Placement  
WARNING: LOGS GET VERY HOT AND  
WILL REMAIN HOT UP TO ONE HOUR  
AFTER GAS SUPPLY IS TURNED OFF.  
HANDLE ONLY WHEN LOGS ARE COOL.  
TURN OFF ALL ELECTRICITY TO THE  
APPLIANCE BEFORE YOU INSTALL  
GRATE AND LOGS.  
WARNING: THIS APPLIANCE IS NOT  
MEANT TO BURN WOOD. ANY ATTEMPT  
TO DO SO COULD CAUSE IRREPARABLE  
DAMAGE TO YOUR APPLIANCE AND  
PROVE HAZARDOUS TO YOUR SAFETY.  
Rockwool  
Figure 10  
Millivolt Appliance Checkout  
If the pilot flame pattern is not as shown in  
Figure 11, adjust it as follows:  
WARNING: THE SIZE AND POSITION OF  
THELOGSETWASENGINEEREDTOGIVE  
YOUR APPLIANCE A SAFE, RELIABLE  
ANDATTRACTIVEFLAMEPATTERN. ANY  
ATTEMPT TO USE A DIFFERENT LOG SET  
IN THE FIREPLACE WILL VOID THE WAR-  
RANTY AND WILL RESULT IN INCOM-  
PLETE COMBUSTION, SOOTING, AND  
POOR FLAME QUALITY.  
The gas control system on these appliances is  
a millivolt standing pilot type. It consists of a  
pilot burner, a piezo ignitor, a gas control valve,  
a burner assembly and an ON/OFF wall switch.  
A temperature limit switch is wired in series  
with the millivolt wall switch and gas control  
valve. If a higher than normal temperature is  
sensed due to a blocked vent or prolonged  
downdraft, the limit switch will open and cause  
the burner to shut off.  
1. Remove the pilot adjustment cap located on  
the main gas valve.  
2. Adjust the pilot screw to provide properly  
sized pilot flame (Figure 10 ). Turn counter  
clockwise to enlarge pilot flame and clockwise  
to reduce the pilot flame. DO NOT attempt to  
adjust pilot flame more than one half turn.  
3. Replace the pilot adjustment cap.  
The logs are packaged within the firebox.  
The bag of rockwool is in the lower control  
compartment. Remove the rockwool from  
the packaging and tear into dime size pieces  
(Figure 9). Spread across the burner in front  
of the front log. See Figure 10. Do not use  
more than is necessary to cover the burner.  
When properly positioned, the rockwool will  
unevenly cover approximately 85% of the  
front of the burner with no appreciable gaps.  
The pilot flame should be steady, not lifting or  
floating. Flame should be blue in color with  
traces of orange at the outer edge.  
Replace logs if removed for pilot inspection.  
To light the burner; rotate the gas valve control  
knobcounterclockwisetotheONpositionand  
then turn ONthe remote wall switch.  
The top ³⁄₈" (9 mm) at the pilot generator  
(thermopile) should be engulfed in the pilot  
flame (Figure 11).  
Electronic Appliance Checkout  
The gas control system on these appliances is  
an electronic low voltage gas control valve with  
an intermittent ignitor. It consists of a low  
voltage gas control valve, an intermittent igni-  
tionsystem,anelectroniccontrolmodule,trans-  
former and a burner assembly. A temperature  
limit switch is wired in series with the gas  
control valve. If a higher than normal tempera-  
ture is sensed, due to a blocked vent or pro-  
longed downdraft, the limit switch will open  
and cause the burner to shut off.  
³⁄₈" (10 mm)  
Theseappliancesareequippedwithabeautifully  
crafted four (4) piece ceramic fiber log set. The  
logs, shown in Figure 12 on page 8, are to be  
positioned precisely as shown. Any modifica-  
tion to the to the lay of these logs may result in  
sooting, property damage and injury or death.  
The pilot flame should be steady, not lifting or  
floating. Flame should be blue in color with  
traces of orange at the outer edge.  
Figure 11  
To light the burner, push the gas control lever  
in and toward the left to the ONposition.  
Turn ONthe remote wall switch. Ensure the  
ignitor lights the pilot. The pilot flame should  
engulf the ignitor.  
WARNING: PILOT FLAME PATTERN  
ADJUSTMENT SHOULD ONLY BE PER-  
FORMED BY A QUALIFIED PROFES-  
SIONAL SERVICE TECHNICIAN.  
Figure 9  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
7
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Carefully position and center the fiber logs  
onto the burner grate with the longer log in  
front and the shorter log all the way to the  
backofthefireplace.Placethetwo(2)smaller  
fiber logs across the two (2) lower logs in the  
manner illustrated (Figures 12 ).  
a
CAUTION: THESE CERAMIC FIBER LOGS  
MUST BE HANDLED CAREFULLY. THEY  
WILL STAND UP INDEFINITELY TO EX-  
TREMETEMPERATURES.HOWEVER,THEY  
ARE VERY FRAGILE AND ARE SUSCEP-  
TIBLE TO CRUSHING AND/OR BREAKAGE  
IF HANDLED ROUGHLY.  
No. DESCRIPTION  
Log Set (Complete)  
Part No.  
13M3701  
13M3001  
13M3101  
13M3201  
13M3301  
a. Log, Rear, Bottom  
b. Log, Front, Bottom  
c. Log, Top, Left  
b
d. Log, Top, Right  
GHC/GRD-5500  
LOG PLACEMENT  
c
d
Figure 12  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
8
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WIRING DIAGRAMS  
GHC-5500  
GHC/GRD-5500  
Robertshaw Ignition Control Equipped  
Robertshaw Ignition Control Equipped  
Wiring diagrams are provided here for refer-  
ence purposes only. This information is also  
provided on schematics attached directly to  
the appliance on a pullout panel located within  
the control compartment.  
1. If any of the original wire as supplied must be replaced,  
1. If any of the original wire as supplied must be replaced,  
1. it must be replaced with Type AWM 105°C 18 GA. wire.  
1. it must be replaced with Type AWM 105°C 18 GA. wire.  
2. 120V, 60Hz Less than 3 amps.  
2. 120V, 60Hz Less than 3 amps.  
LIMIT SW.  
ON/OFF SW  
120 VAC  
LIMIT SW  
ON/OFF SW  
WALL BLOWER SW  
120 VAC  
BK  
BK  
BK  
W
24V  
LOW  
VOLTAGE  
24V  
LOW  
VOLTAGE  
GND  
Appliance  
Ground  
Screw  
CAUTION: LABEL ALL WIRES PRIOR TO DIS-  
CONNECTION WHEN SERVICING CONTROLS.  
WIRINGERRORSCANCAUSEIMPROPERAND  
DANGEROUS APPLIANCE OPERATION.  
BK  
W
GND  
BK  
W
Green  
Ground  
Screw  
Opt  
Blower  
Green  
Ground  
Screw  
GHC Series Only  
R
R
R
BK  
W
BK  
Ignitor  
Ignitor  
Junction Box  
Junction Box  
BK  
W
BK  
W
Transf.  
Transf.  
120 V.  
120 V.  
24 V  
Gas Valve  
C
Gas Valve  
C
M
P
M
P
Limit  
Switch  
R
24 V  
BL  
BL  
BL  
BL  
W
BK  
W
BK  
BK  
BK  
Thermopile  
Ignition Control  
Factory Wired  
Ignition Control  
Factory Wired  
Field Wired  
Field Wired  
ON/OFF Wall  
Switch  
Electronic System Wiring  
(With Forced Air Kit)  
Electronic System Wiring  
(Without Forced Air Kit)  
Normally, all parts should be ordered through  
your distributor or dealer. Parts will be shipped  
at prevailing prices at time of order.  
WARRANTY  
GHC/GRD-5500  
Your gas appliance is covered by a limited  
twenty year warranty. You will find a copy of  
the warranty accompanying this manual.  
Please read the warranty to be familiar with its  
coverage.  
(Honeywell Ignition Module Equipped)  
1. If any of the original wire as supplied must be replaced,  
1. it must be replaced with Type AWM 105°C 18 GA. wire.  
2. 120V, 60Hz Less than 3 amps.  
When ordering repair parts, always give the  
following information:  
LIMIT SW  
ON/OFF SW  
Retain this manual. File it with your other  
documents for future reference.  
NEU. W  
BK  
1. The model number of the appliance.  
2. The serial number of the appliance.  
3. The part number.  
4. The description of the part.  
5. The quantity required.  
120 VAC. BK  
GND  
24V  
PRODUCT REFERENCE INFORMATION  
Low Voltage  
We recommend that you record the following  
important information about your fireplace.  
Please contact your dealer for any questions  
or concerns. For the number of your nearest  
dealer, please call 800-731-8101  
Green  
Ground  
Screw  
R
6. The installation date of the appliance.  
W
If you encounter any problems or have any  
questions concerning the installation or appli-  
cation of this system, please contact your dis-  
tributor, or LHP directly:  
BK  
Junction Box  
Ignitor  
BK  
BK  
W
REPLACEMENT PARTS  
Transf.  
120 V.  
R
Gas Valve  
A complete parts list is found at the end of this  
manual. Use only parts supplied from the  
manufacturer.  
M
LHP  
C
P
1110 West Taft Avenue  
Orange, CA 92865  
24 V  
BL  
BL  
W
BK  
Your Fireplace's Model Number _______________________________________  
Your Fireplace's Serial Number ________________________________________  
The Date On Which Your Fireplace Was Installed __________________________  
The Type of Gas Your Fireplace Uses ___________________________________  
Your Dealer's Name_________________________________________________  
Ignition Control  
Factory Wired  
Field Wired  
Electronic System Wiring  
(Without Forced Air Kit)  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
9
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LIGHTING INSTRUCTIONS MILLIVOLT GAS VALVE  
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. This appliance has a pilot which must be lighted with a piezo  
ignitor. When lighting the pilot, follow these instructions  
exactly.  
Do not use any phone in your building.  
Immediately call your gas supplier from a neighbors phone.  
If your gas supplier cannot be reached, call the fire depart-  
ment.  
B. BEFORE OPERATING 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.  
C. 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,  
do not try to repair it, call a qualified service technician. Force  
or attempted repair may result in a fire or an explosion.  
WHAT TO DO IF YOU SMELL GAS  
Extinguish any open flame.  
Open windows.  
Do not light any appliance.  
Do not touch any electrical switches.  
D. 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.  
LIGHTING INSTRUCTIONS  
1. STOP! Read the safety information above on this page.  
2. Access the lower control compartment.  
3. Turn remote wall switch to OFF.”  
6. Wait five (5) minutes to clear out any gas. If you then smell gas,  
STOP! Follow Bin the safety information above on this page. If you  
do not smell gas, go to the next step.  
7. Push in gas control knob slightly and turn counterclockwise  
to PILOT.”  
4. Verify main line shut-off valve is open.  
8. Push in control knob all the way and hold in. Immediately light the  
pilot by triggering the spark ignitor (pushing the button) until pilot  
lights. Continue to hold the control knob in for about 1 ¹⁄₂ minutes  
after the pilot is lit. Release knob and it will pop back up. Pilot should  
remain lit. If it goes out, repeat steps 5 through 8.  
5. Push in gas control knob slightly and turn clockwise  
to OFF.”  
CONTROL KNOB  
If knob does not pop up when released,  
stop and immediately call your service  
technician or gas supplier.  
If pilot will not stay lit after several  
tries, turn the control knob to OFF”  
and call your service technician or  
gas supplier.  
9. Turn gas control knob counterclockwise  
to ON.”  
Note: Knob cannot be turned from PILOTto OFF”  
unless the knob is pushed in slightly. Do not force.  
10. Close lower control compartment.  
TO TURN OFF GAS TO APPLIANCE  
1. Turn remote wall switch OFF.The pilot will remain lit for  
4. Depress gas control knob slightly and turn clockwise  
normal service.  
to OFF.Do not force.  
2. For complete shutdown, turn remote wall switch to OFF.”  
5. Close lower control compartment.  
3. Access the lower control compartment.  
10  
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INSTRUCTIONS DALLUMAGE VANNE GAZ MILLIVOLT  
POUR VOTRE SÉCURITÉ, LISEZ CES INSTRUCTIONS AVANT LALLUMAGE  
AVERTISSEMENT : SI VOUS NE SUIVEZ PAS CES INSTRUCTIONS À LA LETTRE, IL POURRAIT SEN SUIVRE UN INCENDIE OU UNE  
EXPLOSION CAUSANT DES DOMMAGES MATÉRIELS, DES BLESSURES CORPORELLES OU MÊME DES PERTES DE VIE.  
A. Cet appareil est muni dune veilleuse qui doit être allumée avec un  
allumeur piézo-électrique. Lorsque vous allumez la veilleuse, suivre  
exactement ces instructions.  
B. AVANT LALLUMAGE: Assurez-vous que vous ne détectez aucune  
odeur de gaz autour de lapareil ainsi que près du sol; certains gaz, étant  
plus lourds que lair, descendent au niveau du sol.  
VOICI CE QUE VOUS DEVEZ FAIRE SI VOUS DÉCELEZ UNE ODEUR  
DE GAZ:  
Appelezimmédiatementvotrecompagniedegazenutilisantletéléphone  
du voisin.  
Sil vous est impossible de contacter votre compagnie de gaz, appelez  
le service des incendies.  
C. Nutilisez que votre main pour manipuler le bouton de réglage du gaz.  
Nutilisez jamais doutils. Si le bouton refuse de tourner ou de bouger,  
nessayez pas de le réparer. Communiquez immédiatement avec un  
technicien de service qualifié. Toute tentative pour le forcer ou le  
réparer, risquerait de provoquer un incendie ou une explosion.  
D. Ne vous servez pas de cet appareil si lun de ses éléments a été  
immergé dans leau. Appelez immédiatement un technicien compétent  
pour faire inspecter lappareil et remplacer toute pièce du système de  
réglage ou commande du gaz qui a été sous leau.  
Éteignez toute flamme visible.  
Ouvrez les fenêtres.  
Nallumez aucun appareil.  
Ne touchez à aucun commutateur électrique.  
Ne vous servez daucun téléphone dans votre édifice.  
INSTRUCTIONS D'ALLUMAGE  
8. Enfoncez le bouton de réglage jusquau fond et gardez-le enfoncé.  
Allumez immédiatement la veilleuse en déclenchant lallume-gaz à  
étincelle (en poussant le bouton) jusqu’à ce que la veilleuse  
senflamme. Continuez de tenir le bouton de réglage enfoncé  
pendant environ 90 secondes après lallumage de la veilleuse.  
Relâchez le bouton et il sortira subitement. La veilleuse devrait  
rester allumée. Si elle s’éteint, répétez les étapes 5 à 8  
inclusivement.  
1. ARRÊTEZ! Lisez les consignes de sécurité au verso de cette plaque.  
2. Ouvrez le compartiment de contrôle du bas.  
3. Tournez linterrupteur mural à la position darrêt OFF.  
4. Assurez-vous que la soupape darrêt de la canalisation principale est  
ouverte.  
5. Enfoncez légèrement le bouton de réglage du gaz et tournez-le dans  
le sens des aiguilles dune montre  
jusqu’à la position  
darrêt OFF.  
Si le bouton ne sort pas automatiquement après avoir été relâché,  
arrêtez immédiatement et téléphonez à votre technicien de service  
ou à votre fournisseur de gaz.  
Le Bouton de Réglage du Gaz  
Si la veilleuse refuse de rester  
allumée après plusieurs tentatives,  
tournez le bouton de réglage jusqu’à  
sa position darrêt OFFet  
téléphonez à votre technicien de  
service ou à votre fournisseur de gaz.  
9. Tournez le bouton de réglage du gaz  
Remarque: Il est impossible de tourner le bouton de  
PILOT” à “OFF” à moins quil ne soit légèrement enfoncé.  
Ne le forcez pas.  
en sens inverse des aiguilles dune  
montre  
jusqu’à sa  
position de marche ON.  
10. Fermez le compartiment de contrôle  
du bas.  
6. Attendez cinq (5) minutes pour levacuation du gaz. Si vous décelez  
une odeur de gaz, ARRÊTEZ ! Retournez au point Bdes consignes  
de sécurité au verso de cette plaque. Si vous ne remarquez aucune  
odeur de gaz, passez à l’étape suivante.  
11. Au besoin, rebrancher lappareil au courant électrique et remettre  
linterrupteur du brûleur principal à la position ONou régler le  
thermostat à la température désirée.  
12. Si lappareil ne fonctionne pas, suivre les instructions intitulées  
Pour fermer le gaz qui alimente lappareilet appeler un  
technicien ou le fournisseur de gaz.  
7. Enfoncez légèrement le bouton de réglage du gaz et tournez-le en  
sens inverse des aiguilles dune montre jusqu’à la position de  
veilleuse  
PILOT.  
POUR FERMER LE GAZ QUI ALIMENTE LAPPAREIL  
1. Tournez linterrupteur mural à la position darrêt OFF. La veilleuse  
4. Enfoncez légèrement le bouton de réglage du gaz et tournez-le dans  
restera allumée jusquau retour du service normal.  
le sens des aiguilles dune montre  
jusqu’à la position  
darrêt OFF. Ne forcez pas le bouton.  
2. Pour une fermeture complète, tournez linterrupteur mural à la  
position darrêt OFF.  
5. Fermez le compartiment de contrôle du bas.  
3. Ouvrez le compartiment de contrôle du bas.  
11  
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LIGHTING INSTRUCTIONS ELECTRONIC  
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. When lighting the appliance, follow these instructions  
Immediately call your gas supplier from a neighbors  
exactly.  
phone.  
If your gas supplier cannot be reached, call the fire  
B. BEFORE OPERATING 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.  
department.  
C. Use only your hand to turn the gas control lever. Never  
use tools. If the lever will not turn by hand, do not try to  
repair it, call a qualified service technician. Force or  
attempted repair may result in a fire or an explosion.  
WHAT TO DO IF YOU SMELL GAS  
Extinguish any open flame.  
Open windows.  
D. 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.  
Do not light any appliance.  
Do not touch any electrical switches.  
Do not use any phone in your building.  
LIGHTING INSTRUCTIONS  
1. STOP! Read the safety information above on this page.  
2. Turn remote wall switch to OFF.”  
3. Open lower control compartment door.  
4. Verify main line shut-off valve is open.  
ON/OFF SWITCH  
5. Push in gas control lever slightly and turn to OFF. Do  
not force.  
6. Wait five (5) minutes to clear out any gas. If you then  
smell gas, STOP! Follow Bin the safety information  
above on this page. If you do not smell gas, go to the  
next step.  
7. Push in gas control lever slightly and turn to ON. Do  
not force.  
8. Turn ONall electrical power to appliance (remote wall  
switch).  
P
9. Close lower control compartment door.  
C
M
TO SHUT OFF  
Note: Lever cannot be turne to "OFF" unless  
1. Turn off all electrical power to the appliance (remote wall  
lever is pushed in slightly. Do not force.  
switch).  
TO TURN OFF GAS TO APPLIANCE  
1. For complete shut-down, turn remote wall switch to  
3. Push in gas control lever slightly and turn to OFF. Do  
OFF.”  
not force.  
2. Open lower control compartment door.  
4. Close the main line shut-off valve.  
5. Close lower control compartment door.  
12  
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INSTRUCTIONS DALLUMAGE ELECTRONIC  
POUR VOTRE SÉCURITÉ, LISEZ CES INSTRUCTIONS AVANT LALLUMAGE  
AVERTISSEMENT: SI VOUS NE SUIVEZ PAS CES INSTRUCTIONS À LA LETTRE, IL POURRAIT SEN SUIVRE UN INCENDIE OU  
UNE EXPLOSION CAUSANT DES DOMMAGES MATÉRIELS, DES BLESSURES CORPORELLES OU MÊME DES PERTES DE VIE.  
A. Lorsquevousallumezlappareil,suivezexactementcesinstruc-  
Appelez immédiatement votre compagnie de gaz en utilisant  
le téléphone du voisin.  
tions.  
Sil vous est impossible de contacter votre compagnie de  
gaz, appelez le service des incendies.  
B. AVANT LALLUMAGE: Assurez-vous que vous ne détectez  
aucune odeur de gaz autour de lapareil ainsi que près du sol;  
certains gaz, étant plus lourds que lair, descendent au niveau  
du sol.  
C. Nutilisez que votre main pour manipuler linterrupteur ON/  
OFFde la valve à gaz. Nutilisez jamais doutils. Si  
linterrupteur ne bouge pas manuellement, nessayez pas de le  
réparer. Communiquez immèdiatement avec un technicien de  
service qualifié. Toute tentative pour forcer linterrupteur ou le  
réparer, risquerait de provoquer un incendie ou une explosion.  
VOICI CE QUE VOUS DEVEZ FAIRE SI VOUS DÉCELEZ UNE  
ODEUR DE GAZ  
Éteignez toute flamme visible.  
Ouvrez les fenêtres.  
D. Ne vous servez pas de cet appareil si lun de ses éléments a été  
immergé dans leau. Appelez immédiatement un technicien  
compétent pour faire inspecter lappareil et remplacer toute  
piècedusystèmederéglageoucommandedugazquiaétésous  
leau.  
Nallumez aucun appareil.  
Ne touchez à aucun commutateur électrique.  
Ne vous servez daucun téléphone dans votre édifice.  
INSTRUCTIONS DALLUMAGE  
6. Attendez cinq (5) minutes pour levacuation du gaz. Si vous  
décelez une odeur de gaz ARRÊTEZ ! Retournez au point Bdes  
consignes de sécurité au verso de cette plaque. Si vous ne  
remarquez aucune odeur de gaz, passez à l’étape suivante.  
1. ARRÊTEZ ! Lisez les consignes de sécurité au verso de cette  
plaque.  
2. Tournez linterrupteur mural à la position darrêt OFF.  
7. Enfoncezettournezlamanettederéglagedugazjusquàlaposition  
3. Ouvrez la porte du compartiment de contrôle du bas.  
de marche ON. Ne la forcez pas.  
4. Assurez-vousquelasoupapedarrêtdelacanalisationprincipale  
8. Ouvrez le courant électrique (ON) qui alimente lappareil  
est ouverte.  
(interrupteur mural).  
5. Enfoncez légèrement la manette de réglage du gaz et tournez à la  
9. Fermez la porte du compartiment de contrôle du bas.  
position darrêt OFF.  
10. Au besoin, rebrancher lapareil au courant électrique et  
remettre linterrupteur principal du brûleur à la position ON”  
ou régler le thermostat à la température désirée.  
Interrupter  
ON/OFF  
11. Si lappareil ne se met pas en marche, suivre les instructions  
intitulées Pour fermer le gaz qui alimente lappareilet appeler  
un technicien ou le fournisseur de gaz.  
P
C
M
POUR ÉTEINDRE LAPPAREIL  
Remarque: Il est impossible de tourner la manette à “OFF” à  
moins quil ne soit légèrement enfoncé. Ne le forcez pas.  
1. Coupeztoutlecourantélectriquequialimentelappareil(interrupteur  
mural).  
POUR FERMER LE GAZ QUI ALIMENTE LAPPAREIL  
1. Pour une fermeture complète, tournez linterrupteur mural à la  
3. Enfoncez légèrement la manette de réglage du gaz et tournez à la  
position darrêt OFF.  
position darrêt OFF.  
2. Ouvrez la porte du compartiment de contrôle du bas.  
4. Fermez la soupape darrêt de la canalisation principale.  
5. Fermez la porte du compartiment de contrôle du bas.  
13  
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TROUBLESHOOTING THE MILLIVOLT GAS CONTROL SYSTEM  
Note: Before troubleshooting the gas control system, be sure external gas shut off valve (located at gas supply inlet) is in  
the ONposition.  
Important: Valve system troubleshooting should only be accomplished by a qualified service technician.  
SYMPTOM  
POSSIBLE CAUSES  
CORRECTIVE ACTION  
1. Spark ignitor will not  
light pilot after repeated  
triggering of red button.  
A. Defective Ignitor  
Check for spark at electrode and pilot; if no spark and electrode wire  
is properly connected, replace the ignitor.  
(no spark at electrode)  
B. Defective or misaligned  
electrode at pilot (spark at  
electrode).  
Using a match, light pilot. If pilot lights, turn off pilot and trigger the  
red button again. If pilot lights an improper gas mixture caused the  
bad lighting and a longer purge period is recommended. If pilot will  
not light check gap at electrode and pilot - should be ¹⁄₈"  
(3 mm) to have a strong spark. If gap measures ¹⁄₈", replace pilot  
assembly (Figure 11 on page 7).  
C. Gas supply pressure errant.  
Check inlet gas pressure. It should be within the limits as marked on  
the rating plate.  
D. Pilot orifice plugged.  
Clean or replace pilot orifice.  
2. Pilot will not stay lit  
after carefully following  
lighting instructions.  
A. Defective pilot generator  
(thermopile) or remote wall  
switch wiring.  
Check pilot flame. It must impinge on pilot generator (Figure 11 on  
page 7). Clean and/or adjust pilot for maximum flame impingement  
on generator.  
Be sure wire connections from generator at gas valve terminals are  
tight and generator is fully inserted into the pilot bracket.  
One of the wall switch wires may be grounded. Remove wall switch  
wires from valve terminals. If pilot now stays lit, trace wall switch  
wires for a ground. May be grounded to appliance or gas supply.  
With pilot operating (lit), check pilot generator with a millivolt meter.  
Take reading at generator terminals of gas valve. Should read 325  
millivolts minimum while holding valve knob depressed in pilot  
position and wall switch OFF.Replace faulty generator if reading  
is below specified minimum.  
B. Defective automatic valve  
Turn knob to ON,place wall switch to ON.Millivolt meter should  
read greater than 100mV. If reading is OK and the burner does not  
come on, replace the gas valve.  
operator.  
C. Defective limit switch.  
Reset the limit switch button. If still not working, isolate the limit  
switch. Disconnect the wires from the ON/OFFswitch and the valve  
(label wires for reattachment). Test for continuity with a multimeter.  
Ifcontinuityisnotindicated, switchisdefectiveandmustbereplaced.  
3. Pilot burning, no gas to  
burner, valve knob ON,”  
wall switch ON.”  
A. Wall switch or wires  
Check wall switch and wires for proper connections. Place jumper  
wires across terminals at wall switch. If burner comes on, replace  
defective wall switch. If OK, place jumper wires across wall switch  
wires at gas valve. If burner comes on, wires are defective or  
connections are bad.  
defective.  
B. Pilot generator may not be  
generating sufficient  
millivoltage.  
Re-check Symptom #2.  
C. Plugged burner orifice.  
Check burner orifice for blockage and remove.  
4. Frequent pilot outage  
A. Pilot flame may be too low or  
blowing (high) causing the pilot  
safety to drop out.  
Clean/adjust pilot flame for maximum impingement on pilot genera-  
problem.  
tor (Figure 11 on page 7).  
14  
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TROUBLESHOOTING THE ELECTRONIC IGNITION SYSTEM  
Note: Before troubleshooting, be sure that the appliance main line gas shut-off valve, the gas control valve and the wall switch are in  
the ONposition.  
Important: ON/OFFswitch must be OFFbefore performing continuity test. Adjust multimeter to the ohm setting when performing continuity tests.  
Important: Valve system troubleshooting should only be accomplished by a qualified service technician.  
SYMPTOM  
POSSIBLE CAUSES  
CORRECTIVE ACTION  
1. No spark and no pilot gas.  
A. Faulty transformer.  
Confirm 24Vac output from transformer (red and blue leads). If no, then replace  
transformer.  
Note: Before replacing transformer check wiring for loose connections or broken wires  
and repair as needed. Turn off power before replacing transformer.  
B. ON/OFFswitch defective.  
Disconnect the two black wires from the two red wires attached to the limit switch and  
transformer (label wires for correct reattachment). Test ON/OFFwall switch for  
continuity with a multimeter. If continuity is not indicated, switch is defective and must  
be replaced.  
Note: Before replacing ON/OFFswitch be sure to check switch wiring for loose  
connections or broken wires and repair as needed.  
C. Limit switch defective.  
Resetthelimitswitchbutton. Ifstillnotworking,isolatethe limitswitchinthesamemanner  
as the ON/OFFswitch (label wires for correct reattachment) and test for continuity with  
a multimeter. If continuity is not indicated, switch is defective and must be replaced.  
D. Ignitioncontrolmoduledefective. If reading is not 24V at THand TRterminals on ignition control, replace ignition  
control module.  
2. Spark but no pilot gas  
A. No gas supplied to pilot valve.  
Check for availability of gas at control. Check that manual valve upstream of gas control  
and manual valve on gas control are in the full ONposition. Check for plugged pilot  
orifice or plugged pilot tubing. Also check pilot key adjustment at gas control valve.  
(no solenoid valve click).  
B. Faulty gas valve.  
Confirm 24Vac at gas valve terminals Cand Pof the gas valve. If yes, valve is OK. If  
no voltage, check the wiring. If wiring tests OK, check ignition control module.  
C. Ignitioncontrolmoduledefective.  
A. Gas supply to pilot restricted.  
Confirm24VacatPVandPV/MVonignitioncontrolmodule. Ifno, replacetheignition  
control.  
3. Spark but no pilot gas  
Check if pilot line and pilot orifice are plugged. Clean or replace as necessary. Adjust pilot  
flame if necessary.  
(solenoid valve click).  
4. Pilot gas available, but  
pilot does not light  
(solenoid click).  
A. Ignition control or igniter  
Confirm that the igniter is sparking at the pilot assembly when the ON/OFFswitch is  
defective.  
activated. If not, undertake the following steps:  
With ON/OFFswitch OFF,remove wire at TRterminal at the ignition control module.  
Disconnect the electrode wire IGNat the ignition control. Connect one end of a jumper  
wire to the metal blade of a small screwdriver. Attach the other end of the jumper wire to  
any metal part of the chassis. Reconnect the TRterminal. Position end of metal blade  
approximately ¹⁄₈" (3 mm) from the IGNterminal. Activate the ON/OFFswitch.  
Sparking should occur between the IGNterminal and screwdriver blade. If sparking  
does occur, the ignition control module is OK, but either the electrode wire of the igniter  
is faulty and the pilot and electrode assembly should be replaced.  
B. Sparking, but not at proper  
Electrode tip needs to be realigned to correct location. ³⁄₃₂" to ¹⁄₈" (2 3 mm) gap between  
electrode tip and pilot hood is desired.  
location.  
5. Pilot burning but main  
A. Low pilot flame or improper  
alignment of electrode igniter in  
pilot flame.  
Pilot and electrode igniter must be properly aligned so that the pilot flame impinges the  
top ³⁄₄" (19 mm) of the electrode igniter. The electrode igniter must be pushed all the way  
into the pilot bracket. Adjust pilot flame if necessary.  
burners will not come on.  
Note: Wait at least 90  
seconds after pilot lights  
before doing the checkout  
for possible causes.  
B. Burner orifice(s) plugged.  
Check main burner orifice(s) for stoppage. Clean or replace.  
C. Gas valve defective.  
Check for 24 volts at gas operator terminals Mand C.If there is a 24V reading and the  
burner does not come on, the valve operator is defective and the gas valve must be  
replaced.  
6. Burners come ONbut go  
A. Low pilot flame or electrode  
Adjust pilot flame and/or check location of electrode igniter.  
OFF.”  
igniter not correctly positioned.  
15  
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ACCESSORY COMPONENTS  
Forced Air Kit  
011781 FAK-1500  
Twin Pane Door  
12M42  
33TBA-BB  
Remote Control System (Standard) H0249  
RCL  
Standard Remote Control System  
(Model RCL)  
Forced Air Kit  
with Variable Speed Wall Switch  
051331 FAB-1600  
Forced Air Kit  
The Model RCL (Standard) Remote Control  
System, features a simplistic on/off control  
function for the fireplace. This model includes  
a hand-held transmitter, a remote receiver  
with wall-mount coverplate and all hardware  
required to install the unit. The remote re-  
ceiver can be wall or hearth mounted.  
The transmitter has ON and OFF functions that  
are activated by pressing either button on the  
face of the transmitter. When a button on the  
transmitter is pressed, a signal light illuminates  
briefly to verify that a signal has been sent.  
The Model RCL is designed to operate with all  
millivolt ignition systems, as well as electronic  
ignition systems. It may be installed with use for  
either natural or propane gas appliances. The  
RCL offers ease of installation and allows you to  
execute on-off commands to the fireplace effort-  
lessly with one simple motion.  
Iftheoptionalforcedairkits, ModelFAK-1500or  
ModelFAB-1600,aretobeusedontheGHC-5500  
Series appliances, refer to the installation in-  
structions packed with the fan kit. The GHC-  
5500 Series appliances have been pre-wired at  
the factory to accept the forced air kit at some  
later time. The appliance, must however, be  
connected to the main power supply at the time  
ofinstallationiftheeitheroftheforcedairkitsare  
to be installed later. The FAB-1600 kit comes  
with a variable speed wall switch.  
Twin Pane Door  
12M43  
35TBA-BB  
Aluminum-Framed Twin Pane Door  
Your appliance can be fitted with beautiful  
aluminum-framed twin pane doors. Models  
33TBA-BB and 35TBA-BB doors are available  
for use with these appliances. Doors are easily  
fitted to the fireplace opening. Both models  
come with a beautiful bright brass finish.  
The Model RCL comes complete with detailed  
operating instructions.  
Horizontal Trim Kit  
024477  
35HTK-SPB  
Glass Enclosure Panels  
12M47  
12M48  
12M49  
12M50  
33AGEP  
33AGEP-BB  
35AGEP  
35AGEP-BB  
Glass Enclosure Panels  
Your appliance can be fitted with beautiful  
glass enclosure panels. Model 33AGEP and  
35AGEP doors are available for use with these  
appliances. Doors are easily fitted to the fire-  
place opening. Model 33AGEP and 35AGEP  
doors come with a standard black finish. Model  
33AGEP-BB and 35AGEP-BB doors come with  
beautiful bright brass finish.  
Horizontal Trim Kit  
024474  
35HTK-PB  
Bi-Fold Doors  
12M05  
12M06  
33ABF  
33ABF-BB  
Horizontal Trim Installation  
Aluminum-Framed Bi-Fold Doors  
There are two (2) optional horizontal trim kits,  
Models 35HTK-PB, 35HTK-SPB available for  
use with the GHC Series appliance. The 35  
HTK-SPB kit's trim is solid polished brass, as  
opposed to the 35HTK-PB kit's trim which has  
a polished brass coating. Refer to the specific  
installation instructions packed with each trim  
kit for their proper usage and installation.  
Your appliance can be fitted with beautiful  
aluminum-framed bi-fold doors. Model 33ABF  
doors are available for use with these appli-  
ances. Doors are easily fitted to the fireplace  
opening. Model 33ABF doors come with stan-  
dard black finish. Model 33ABF-BB doors have  
a beautiful brass finish.  
To ensure warranty and to prevent a potential  
fire hazard, do not use any other doors on  
these appliances.  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
16  
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REPLACEMENT PARTS LIST  
MILLIVOLT SYSTEM  
GHC-5500  
Natural and Propane  
GRD-5500  
Natural and Propane  
No.  
DESCRIPTION  
Part No.  
Qty.  
Part No.  
Qty.  
1.  
2.  
Bar, Louver (Black)  
Bar, Top  
LB-96917A  
LB-96906A  
037171  
4
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
-
-
-
-
3.  
Trim, Upper/Lower  
Panel, Screen/Pull  
Rod, Screen  
-
-
4.  
090673  
090673  
011381  
043431  
13M3701  
13M3001  
13M3101  
13M3301  
13M3201  
044251  
025972  
025801  
030851  
029171  
2
2
1
1
1
1
1
1
1
1
1
1
1
5.  
011381  
6.  
Refactory, Bottom  
Log Set (Complete)  
Log, Rear, Bottom  
Log, Front, Bottom  
Log, Top, Right  
043431  
7.  
13M3701  
13M3001  
13M3101  
13M3301  
13M3201  
044251  
a.  
b.  
c.  
d.  
Log, Top, Left  
10.  
11.  
12.  
13.  
14.  
Burner Assembly  
ON/OFF Control Switch, Wall  
Cover, Front  
025972  
025801  
Collar, Flue Extension  
Porcelain Panel  
030851  
029171  
GAS CONTROLSROBERTSHAW MILLIVOLT  
GHC/GRD-5500  
Natural  
GHC/GRD-5500  
Propane  
No.  
DESCRIPTION  
Part No.  
Qty.  
Part No.  
Qty.  
20.  
21  
Valve, Gas (7000 MVRLC)  
Ignitor, Piezo  
009737  
091301  
043331  
097367  
092757  
040611  
094699  
093761  
1
1
1
1
1
1
1
1
093771  
091301  
043332  
097367  
092756  
040612  
094699  
093762  
1
1
1
1
1
1
1
1
22.  
23.  
24.  
Panel, Control (Complete)  
Switch, Limit  
Orifice, #43 (Nat.)/#54 (Prop.)  
Orifice, Derating Kit  
Thermopile TP-75  
25.  
26.  
Pilot assembly  
17  
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REPLACEMENT PARTS MILLIVOLT  
13  
12  
7a  
7d  
14  
At Rear of FireBox  
13  
10  
7c  
7b  
24  
26  
25  
14  
At Rear of FireBox  
20  
22  
11  
23  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
18  
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REPLACEMENT PARTS LIST  
ELECTRONIC SYSTEM  
GHC-5500  
Natural and Propane  
GRD-5500  
Natural and Propane  
No.  
DESCRIPTION  
Part No.  
Qty.  
Part No.  
Qty.  
1.  
2.  
Bar, Louver (Black)  
Bar, Top  
LB-96917A  
LB-96906A  
037171  
4
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
-
-
-
-
3.  
Trim, Upper/Lower  
Panel, Screen/Pull  
Rod, Screen  
-
-
4.  
090673  
090673  
011381  
043431  
13M3701  
13M3001  
13M3101  
13M3301  
13M3201  
044251  
025972  
025801  
030851  
029171  
2
2
1
1
1
1
1
1
1
1
1
1
1
5.  
011381  
6.  
Refactory, Bottom  
Log Set (Complete)  
Log, Rear, Bottom  
Log, Front, Bottom  
Log, Top, Right  
043431  
7.  
13M3701  
13M3001  
13M3101  
13M3301  
13M3201  
044251  
a.  
b.  
c.  
d.  
Log, Top, Left  
10.  
11.  
12.  
13.  
14.  
Burner Assembly  
ON/OFF Control Switch, Wall  
Cover, Front  
025972  
025801  
Collar, Flue Extension  
Porcelain Panel  
030851  
029171  
GAS CONTROLSROBERTSHAW ELECTRONIC  
GHC/GRD-5500  
Natural  
GHC/GRD-5500  
Propane  
No.  
DESCRIPTION  
Part No.  
Qty.  
Part No.  
Qty.  
20.  
21.  
22.  
23.  
24.  
25.  
26.  
27.  
Valve, Gas (7200 IPER)  
Pilot assembly  
098204  
098261  
098203  
904715  
040414  
053411  
097367  
092757  
040611  
1
1
1
1
1
1
1
1
1
098235  
098262  
098203  
904715  
040414  
053412  
097367  
092756  
040612  
1
1
1
1
1
1
1
1
1
Ignition Control (Robertshaw)  
Ignition Control (Honeywell)  
Transformer Assy - (CIN-TRAN-2014)  
Panel, Control (Complete)  
Switch, Limit  
Orifice, #43 (Nat.)/#54 (Prop.)  
Orifice Derating Kit  
19  
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REPLACEMENT PARTS ELECTRONIC  
13  
12  
7a  
7d  
14  
At Rear of FireBox  
26  
7c  
13  
10  
7b  
27  
14  
At Rear of FireBox  
11  
25  
20  
23  
23  
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.  
The manufacturer reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products.  
Consult your local distributor for fireplace code information.  
Manufactured by LHP  
Printed in U.S.A. © 2001 by Lennox Hearth Products  
P/N 725,029M REV. C 07/2004  
1110 West Taft Avenue Orange, CA 92865  
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