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15

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

p

aint

 C

uring

This  insert  has  been  painted  with  Stovebright  high  tem-

perature metallic stove paint. It leaves the factory dry to 

the touch, but finishes curing as the insert is used. Fire the 

insert four successive times for ten minutes each time with 

a five minute cool down between each firing. Ventilate the 

house during these first firings as the paint gives off car-

bon dioxide and unpleasant odors. It is recommended that 

persons sensitive to an imbalance in the indoor air quality 

avoid the insert during  the curing process. 

q

uiet

 o

peration

GAS NOISE: The sound of gas flowing through the insert 

may be detectable while the unit is in operation. This is a 

normal operating sound, however if it is objectionable, it 

can be reduced by turning down the flame. Turning down 

the flame will reduce heat output.
BLOWER NOISE: As the insert heats up, the blower will come 

on to move hot air through the heat exchanger and into the 

room. Adjust the fan speed with the fan control knob to the 

sound level and air flow desired.

b

lower

Your Firestar™ gas insert  comes equipped with a 150 CFM 

blower  with  a  variable  speed    control  and  an  automatic 

temperature activated On / Off snap switch.

Operation:

1.  Plug  the  blower  power  cord  into  a  grounded  (three 

prong) outlet. This appliance is equipped with a three 

prong  (grounding)  plug  for  your  protection  against 

shock  hazard  and  should  be  plugged  directly  into  a 

properly grounded three - prong receptacle. Do not cut 

or remove the grounding prong from this plug. 

2.  After the insert warms up, the fan will come on if the 

speed control (located at the bottom of the left side 

door) is left in the on position. The fan will not operate 

until the insert is warm.

3.  Once the fan comes on, turn the knob to the desired 

speed.  No further adjustment is necessary, the fan will 

come on automatically whenever the insert is warm.

4.  If you do not wish to have the fan on, turn the knob until 

it clicks into the OFF position.

“o

n

-o

ff

” s

witCh

 a

nd

 t

hermostat

Your gas insert comes equipped with an “ON-OFF” rocker 

switch used to turn the burner on and off while the pilot is 

on. The switch is located 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 to the switch hole in the top flange. Care must be 

taken to ensure the wire is kept away from the heat of the 

firebox. Reinsert the switch in the hole in the flange, tighten 

the retaining nut, and push the wire connectors back on the 

spades.  The spades may need to be carefully bent downward 

to provide clearance between the switch and the fireplace 

facing material.

A millivolt wall thermostat or remote thermostat can be used 

to supplement the rocker switch. The thermostat and rocker 

switch will turn the burner on and off independently of each 

other. Be sure to set the rocker switch to the off position 

when using the thermostat and set the thermostat to the 

lowest temperature when you wish to use the rocker switch 

only, otherwise one may override the other.

Follow  the  instructions  included  with  the  thermostat  for 

wiring.  Solder all connections, as good wire connections 

are critical in millivolt system.  Check with your insert dealer 

for the proper length and size of the thermostat wire.  Both 

factors effect the function of the thermostat.

p

ilot

 a

djustment

All pilots are burned and checked at the factory prior to 

shipment. (NOTE:  If upon initial insert installation the pilot 

flame flickers or will not remain lit, most likely the pilot is 

fine but there is air in the gas line or the gas pressure is too 

low). Pilot adjustment is not normally required, but should 

it be necessary, it should be done only by a qualified service 

technician.  The  pilot  adjustment  screw  is  located  to  the 

left of the ON/OFF/PILOT control knob. With a flat bladed 

screwdriver, remove the pilot adjusting cover to access the 

pilot adjusting screw. Adjust pilot screw to the properly sized 

flame as shown in Figure 18. The flames should completely 

surround the thermopile and extend across the main burner 

ports. Be careful not to back the adjusting screw out of its 

threads. Replace the cover and check for gas leaks.

Figure 18

 Millivolt Pilot

Thermopile

Igniter

Gas Pilot Hood

/8” to 

1/”

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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