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Manafacture: Lennox Hearth File size: 1.74 mb File name: Language of manual:

Wiring errors can cause improper and dangerous operation. If any of the original wire as supplied must be replaced, it must be replaced with Type AWM 105°C – 18 GA. wire. * For the purpose of input adjustment. Vented/Unvented Gas Log Appliance Technical Chart For Millivolt Log Set Model No. BTU/HR Input Gas Type Ignition Regulator Pressure Setting Gas Inlet Pressure* Valve Operation Orifice Size Top Orifice Size Bottom LSVFSD-NG 37,000 24,500 Natural Piezo 1.6 – 3.5" W.c. max. 10.5" W.c. min. 5.0" W.c. millivolt .094" .071" LSVFSD-LP 37,000 28,000 Propane/ lPg Piezo 6.3 – 10.0" W.c. max. 13" W.c. min. 11" W.c. millivolt .055" .046" Table 3 Air Shutter Opening 1/8" 1/8" 4. Depress gas control knob slightly and turn clockwise to “oFF.” Do not force. 5. close lower control compartment. WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE. FOR YOUR SAFETY READ BEFORE LIGHTING • Immediately callyour gassupplierfromaneighbor’s phone. Follow the gas supplier's instructions. • If you cannot reach your gas supplier, call the fire depart- ment. 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, 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. A. this appliance has a pilot which must be lighted with a piezo igniter. When lighting the pilot, follow these instructions exactly. B. BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor. WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. TO TURN OFF GAS TO APPLIANCE 1. turn remote wall switch “oFF.” the pilot will remain lit for normal service. 2. For complete shutdown, turn remote wall switch to “oFF.” 3. access the lower control compartment. 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.” 4. Verify main line shut-off valve is open. 5. Push in gas control knob slightly and turn clockwise to “oFF.” Note: Knob cannot be turned from “PILOT” to “OFF” unless the knob is pushed in slightly. Do not force. 6. Wait five (5) minutes to clear out any gas. if you then smell gas, stoP! Follow “B” in 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.” 8. Push in control knob all the way and hold in. immediately light the pilot by triggering the spark igniter (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. • 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.” 10. close lower control compartment. INOUTTPTHTPTHPILOTPILOTONitOFF VENTED/UNVENTED TROUBLESHOOTING GUIDE OBSERVED PROBLEM POSSIBLE CAUSE REMEDY 1. When igniter button is pressed, there is no spark at oDs/pilot. A. igniter electrode positioned wrong. replace igniter. B. igniter electrode broken. replace igniter. C. igniter electrode not connected to igniter cable. reconnect igniter cable. D. igniter cable pinched or wet. Free igniter cable if pinched by any metal or tubing. Keep igniter cable dry. E. Piezo igniter nut is loose. tighten nut. F. Broken igniter cable. replace igniter cable. G. Bad piezo igniter. replace piezo igniter. 2. Heater produces unwanted odors. A. Heater burning vapors from paint, hair spray, glues, etc. Ventilate room. stop using odor-causing products while fireplace is running. B. gas leak. see Warning statement on the front page. locate and correct all leaks. 3. Heater shuts off in use (oDs operates). A. Not enough fresh air is available. open window and/or door for ventilation. B. low line pressure. contact local gas company. C. oDs/pilot is partially clogged. clean oDs/pilot. 4. gas odor even when control knob is in “oFF” position. A. gas leak. see Warning statement on the front page. locate and correct all leaks (see Checking Gas Connections, Page 9). B. control valve defective. replace control valve. 5. When igniter button is pressed, there is spark at oDs/pilot, but no ignition. A. gas supply turned off or manual shut-...

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