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Report No. 050-S-07b-5

INSTALLATION AND OPERATION MANUAL

B-Vent Gas 

Fireplace Insert

Retain These Instructions For Future Reference

     

WARNINGS

 

Hot! Do not touch!  The glass and surfaces of this appliance will be hot during operation and will 

retain heat for a while after shutting off the appliance.   Severe burns may result. 

• 

 

Carefully supervise children in the same room as appliance.

FOR YOUR SAFETY
Do not store or use gasoline or other flammable 

vapors or liquids in the vicinity of this or any other 

appliance.
WHAT TO DO IF YOU SMELL GAS:
•  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 supplier's 

  instructions.

•  If your gas supplier cannot be reached, call

  the fire department.
Installation and service must be performed by a quali-

fied installer, service agency or the gas supplier

.

POUR VOTRE SÉCURITÉ:  Ne pas entreposer ni utiliser d'essence 

ni d'autres  vapeurs ou liquides inflammables à proximité de 

cet appareil ou de tout autre appareil. 
POUR VOTRE SÉCURITÉ:  Que faire si vous sentez une odeur 

de gaz:
•  Ne pas tenter d'allumer d'appareil.

•  Ne touchez à aucun interrupteur.  

•  Ne pas vous servir des téléphones se trouvant dans le bâti-

ment   

•  Appelez immédiatement votre fournisseur de gaz depuis un 

voisin.  Suivez les instructions du fournisseur.

•  Si vous ne pouvez rejoindre le fournisseur de gaz, appelez 

le service des incendies.

L'installation  et  l'entretien  doivent  être  assurés  par  un 

installateur  ou  un  service  d'entretien  qualifié  ou  par  le 

fournisseur de gaz.

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.

AVERTISSEMENT: Assurez-vous de bien suivre les instruc-

tions données  dans cette notice pour réduire au minimum 

le risque d’incendie  ou d’explosion  ou pour éviter tout 

dommage matériel, toute blessure ou la mort.

A French manual is available upon request. Order P/N 775,225CF.

Ce manuel d’installation est disponible en francais, simplement 

en faire la demande. Numéro de la pièce 775,225CF.

 

Suitable for installation into masonry or factory built fireplaces. These appliances may be installed in an after-

market permanently located, manufactured (mobile) home, where not prohibited by local codes. This appliance 

is only for use with the type of gas indicated on the rating plate.  This appliance is not convertible for use with 

other gases unless a certified kit is used.

 

Lennox™ gas-burning appliances are designed for use as a supplemental heater.   They are not intended for 

continuous use as a primary heat source.

Firestar™ (GC3)

P/N 775,225M  Rev. A, 06/2007

I

n the Commonwealth of Massachusetts:

  • Installation must be performed by a licensed plumber or gas fitter

    • See Table of Contents for location of additional Commonwealth of 

       Massachusetts requirements

Summary of Contents for B-VENT GAS GC3

Page 1: ...structions du fournisseur Si vous ne pouvez rejoindre le fournisseur de gaz appelez le service des incendies L installation et l entretien doivent être assurés par un installateur ou un service d entretien qualifié ou par le fournisseur de gaz 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 AVE...

Page 2: ... Line Installation 11 Gas Pressure Requirements 11 Gas Supply Line Sizing 11 LP Natural Gas Supplies 12 Air Shutter Adjustment 12 Operating Instructions 13 16 Pre Lighting Checklist 13 Lighting Instructions 13 Flame Color Behavior 14 Replacing Burner Orifices 14 Paint Curing 15 Quiet Operation 15 Blower 15 On Off Switch And Thermostat 15 Pilot Adjustment 15 Millivolt Control System 16 Maintenance ...

Page 3: ...lations ANSIA225 1 latest edition The appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical Code ANSI NFPA 70 latest edition Your Lennox gas insert must be equipped for the proper fuel type altitude at which it will be operated Any operation outside the parameters outlined in this manual may result in a h...

Page 4: ...requirements Must conform with the Manufactured Home Construc tion and Safety Standard Title 24 CFR Part 3280 or when such a standard is not applicable the Standard for Manufactured Home Installations ANSI A225 1 latest edition for manufactured mobile home installations Must be vented directly to the outside in accordance with the latest edition of the National Fuel Gas Code and must never be atta...

Page 5: ...kaging List To install a Firestar insert an insert body and surround flange kit are required Insert Body Packaging List 1 Insert Body with Burner Cassette and trivet 1 Set of Refractory Brick Panels 3 pieces H5866 1 Log Set H5860 1 Lower front 2 filler panel 1 Fasteners 6 slotted 1 4 truss screws 4 speed nuts 6 spring clips 4 3 8 x 3 leveling bolts 2 socket head screws 1 Installation and Operation...

Page 6: ...rebox must accept the insert withoutmodificationotherthanremovingbolted or screwed together pieces such as baffles smoke shelf deflectors ash lips glass door screen or door tracks log grates refractory or masonry lining and damper assemblies Any fireplacecomponent whichisremoved mustbe retainedsotheycanbereinstalledtorestorethe fireplace to its original operating condition The removal of any part ...

Page 7: ...height the nut previously threaded onto the bolt can be snugged up to the insert bottom Hearth Floor Protection Minimum Clearances to Combustibles The letters below C through H correspond to Figure 4 showing minimum clearances required from the appliance to combustibles and the minimum projection of the hearth extension C 6 5 to Side Facing 3 4 or less D 11 to Side Wall E 24 to Mantel more than 3 ...

Page 8: ...ons for installation and vent termination A minimum flue height of 12 feet is recommended The insert must be installed so the draft hood is in the same atmospheric pressure zone as the combustion air inlet to the appliance Flue Collar Connection This insert has a detachable flue collar to ease installation To detach flue collar lift removable vent trivet from top of insert unscrew draft tube retai...

Page 9: ...x Tilt the top of the panel forward insert the bottom of the panel in the brick panel retainer and push the panel to the up right position 3 Install the side panels by sliding the top of the panel into the top side brick retainer and then dropping the bottom of the panel into the bottom retainer The rounded edge on the side brick panels goes toward the front 3 Piece Brick Panel Set Log Installatio...

Page 10: ...ews after shifting flanges to eliminate space between side and top flanges 5 Install two spring clips approximately five inches from each end of each of the three gold trim pieces The spring clips shouldbeinstalledinthechannelofthetrimwiththecurved end to the front toward the rounded surface of the trim 6 Place the longest trim piece with the rounded surface out along the edge of the top flange wi...

Page 11: ...ing The proper gas line diameter must be selected to run from the supply regulator to the insert Refer to the Table 2 for proper gas pipe diameters NOTE Someareasallowcoppertubing checkwithlocalapproval agencies and codes COPPER TUBING NOT ALLOWED IN MASSACHUSETTS IN NATURAL GAS INSTALLATIONS NEVER USE GALVANIZED OR PLASTIC PIPES Fuel Type Inlet Pressure Manifold Pressure Desired Minimum Maximum O...

Page 12: ...ss logs or heat exchanger If soot begins to form after burning the air shutter should be opened gradually until the sooting conditionstops Opentheshutterasmallamountatatime untilthesootingceases See FlameColorandBehavior and Maintenance proper pilot flame 1 Remove glass door see Glass Door Removal on page 17 Carefully remove the log set and set aside 2 Using a 5 32 allen wrench remove the allen he...

Page 13: ...b 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 or explosion D DONOTusethisapplianceifanyparthasbeenunderwater Immediately call a qualified service technician to inspect theapplianceandtoreplaceanypartofthecontrolsystem and any gas control which has been under water OPERATING INSTRUCTIONS Refer to controls...

Page 14: ...e color Adjusting the insert to cause the flames to turn orange sooner may result in poor combustion sooting and a hazardous situation See Figure 17 showing proper flame appearance OFF ON PiezoIgniter ON OFFSwitch No Blue Flame Center Soot at Flame Tip Dark Orange Flame IMPROPERLY BURNING FLAME Soot above Flame Tip No Soot at Flame Tip PROPERLY BURNING FLAME Semi Transparent Yellow Flame Blue Flam...

Page 15: ...behind the right side door to the right of the control valve This switch can be relocated to the hole provided in the top surround panel by pulling the two connectors off of the spades on the back of the switch Then unscrew the plastic nut on the back side of the switch and pull the switch forward through the hole Cut the wire tie holding the switch wire and feed the wire behind the side flange up...

Page 16: ... thermostat Additional switches may affect the system resistance and increase the chance of the burner not ignit ing Follow the instructions included with the thermostat or remote control for wiring The thermostat remote control and rocker switch will turn theburneronandoffindependently Besuretosettherocker switch to the OFF position when using the thermostat or remote control and set the thermost...

Page 17: ...lass DONOTcleandoororglasswhenhot DO NOT abuse the glass door by striking or slamming it shut DO NOT use substitute materials if replacing the glass DO NOT spray commercial glass cleaner with ammonia on the door and glass gasket as it may dissolve the gasket glue Replacement Theglassintheinsertdoorcannotbereplaced separately Should the glass be damaged the entire glass gasket and metal frame assem...

Page 18: ...en servicing controls Wiring errors can cause improper and dangerous operation Verify proper operation after servicing See the fan wiring diagram below for reference Remove the glass door log set and brick pan els All of these items are fragile so handle them with care Remove the two allen head screws at the left and right front of the air control panel and lift the panel out Next remove the nine ...

Page 19: ...g the burner gently through the block plate and past the pilot assembly 4 Disconnect at the valve the two wire connectors from vent safety snap switch the uppermost black wire on terminal 1 and the black wire with the round connector located at the top of the valve and behind the gas inlet elbow Then disconnect the thermostat red and white wires and rocker switch black wires at terminals 1 3 5 Rem...

Page 20: ...lem if longer purge will not light check gap between electrode and pilot should be 1 8 inch 3 mm to have a strong spark If OK replace pilot Pilot will not stay lit after carefully following lighting instructions 1 Vent Safety Snap Switch shut down 2 Improper Flame impingement 3 Low gas inlet pres sure 4 Defective thermopile 5 Bad connection 6 Defective automatic valve operator 1 Snap switch activa...

Page 21: ...Ft for each door 75146 Gold Door w Glass H5875 Heat Sensed Blower Snap Switch H3106 Left hand Side Door Mounting Brackets Blower Speed Control Installed H5881 LP Pilot Assembly Includes Thermopile Electrode And Wire H5930 LP Pilot Orifice H5940 LP Regulator H5744 Main Burner On Off Rocker Switch H5995 Main Burner On Off Switch Wires H5981 Main Door Decorative Gold Bars Each 2 Per Stove H5982 Main ...

Page 22: ...22 Safety Listing Label ...

Page 23: ...23 Lighting Label ...

Page 24: ...etain this manual File it with your other documents for future refer ence Product reference information We recommend that you record the following important information about your fireplace Please contact your Lennox Hearth Products dealer for any questions or concerns For the number of your nearest Lennox Hearth Products dealer please call 1 800 9 Lennox Replacement parts See Page 21 for a comple...

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