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Operating Instructions

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Be sure to check these items before the initial lighting of 

the insert:

-  All  packaging  materials  are  removed  from  the  firebox; 

brick panels and logs are installed.

- The insert gas label must correspond to the gas supply 

available, that is “natural gas” for natural gas; "LP gas" 

for LP gas.

-  Be sure the gas pressure has been carefully checked (see 

Gas Pressure Requirements).

-  Fingerprints or other marks are cleaned (while the insert 

is cool) from any gold or nickel surfaces with denatured 

alcohol  and  a  soft  cloth.  Marks  left  on  these  surfaces 

may become etched into the finish if not removed prior 

to burning the unit.

-  Check all gas fittings for leaks.

-  Remove all combustible materials from the area in front 

of the insert and ensure the vented areas of the insert face 

are unobstructed.

-  Check to ensure all clearances to combustibles are met-

see page 7.

-  Make sure the glass door is in place and properly sealed 

before burning the appliance

-  Ventilate the house to clear initial paint curing odors, see 

page 15.

Lighting Instructions

The following is a copy of the operating and lighting instruc-

tions found with each insert:

FOR YOUR SAFETY READ BEFORE OPERATING

WARNING:  IF YOU DO NOT FOLLOW THESE INSTRUCTIONS 

EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING 

PROPERTY DAMAGE, INJURY, OR LOSS OF LIFE.

CAUTION:  HOT WHILE IN OPERATION. DO NOT TOUCH. KEEP 

CHILDREN, FURNITURE, GASOLINE, AND OTHER LIQUIDS 

WITH FLAMMABLE VAPORS AWAY. NEVER OPERATE UNIT 

WITH GLASS OFF OR ATTEMPT TO REMOVE THE GLASS 

WHILE HOT.

A. This appliance is equipped with a piezo ignition device 

to  light the pilot. When lighting the  pilot, follow  these 

instructions exactly.

B. BEFORE LIGHTING, smell 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 try to light the appliance. 

DO NOT touch any electric switch,  

DO NOT use any phone in the 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. Use only your hand to push in or turn the gas control 

knob. Never use any tool. 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 

or explosion.

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.

OPERATING INSTRUCTIONS

(Refer to controls shown in Figure 16)

CAUTION: Your Lennox™ gas INSERT MUST ALWAYS BE 

OPERATED WITH GLASS IN PLACE.

STOP!!  Read  the  safety  information  above  before  pro-

ceeding.

1. Open the lower door. Make sure gas supply shut-off cocks 

are open and ON/OFF rocker switch is "OFF." If equipped 

with a thermostat, set it to the lowest setting.

2. Turn off all electrical power to the appliance.

3. Push in gas cock dial slightly and turn clockwise               to 

"OFF."

  NOTE:  Dial cannot be turned from "PILOT" to "OFF" unless 

dial is pushed in slightly. Do not force.

4. Wait five minutes to clear out any gas. Then smell for gas, 

including near the floor. If you smell gas, STOP! Follow 

"B" above. If you don't smell gas continue.

5. Locate the pilot by looking over the top of the left front 

log. A blue flame will be seen when the pilot is lit.

6. Turn the gas control knob counter-clockwise               to 

the "PILOT" position.

7. Push the knob all the way in and hold in that position. 

Immediately light the pilot by pressing the igniter button 

several times until pilot is lit. Continue to hold the knob in 

for about 30 seconds after the pilot is lit. Release knob and 

it will pop back out. Pilot should remain lit. If it goes out, 

repeat steps 4-8 holding knob in an additional 15 seconds 

after pilot is lit. If knob does not pop out when released, 

stop and immediately call your service technician or gas 

supplier. If the pilot will not stay lit after several tries, 

turn the gas control knob to "OFF" and call your service 

technician or your gas supplier.

8. After pilot is lit, turn gas control knob counter-clockwise     

                to "ON." Knob can only be turned to "ON" if the 

knob has popped out.

9. To turn burner on, turn "ON/OFF" rocker switch to "ON" 

or set the thermostat to the desired temperature above 

room temperature.

10. Adjust the flame height (and heat output) by turning the 

flame height knob clockwise               for full flame and 

counter-clockwise               for reduced flame.

11.Turn on the electric power to the appliance and set the 

blower to the desired air flow after it turns on when the 

appliance reaches operating temperature.

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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