Desa (V)KC36N series Owner's Operation And Installation Manual

Also see for VKC36N Series: OWNER'S OPERATION AND INSTALLATION MANUAL OWNER'S OPERATION AND INSTALLATION MANUAL

www.desatech.com 116226-01K34OBSERVED PROBLEMPilot lights but flame goesout when control knob isreleasedBurner does not light afterpilot is litDelayed ignition burnerBurner backfiring duringcombustionSlight smoke or odor duringinitial operationREMEDY1. Press in gas control knobfully2. After pilot lights, keep gascontrol knob pressed in 30seconds3. Fully open equipment shut-off valve4. A) Contact local natural orpropane/LP gas companyB) Clean pilot (see Clean-ing and Maintenance,page 31) or replace pilotassembly5. Hand tighten until snug,then tighten 1/4 turn more6. Replace pilot assembly7. Replace control valve1. Clean burner (see Cleaningand Maintenance, page 31)or replace burner orifice2. Contact local propane/LPor natural gas company3. Reconnect leads to TP &TPTH terminals on controlvalve4. Replace thermopile1. Contact local propane/LPor natural gas company2. Clean burner (see Cleaningand Maintenance, page 31)or replace burner orifice1. Clean burner (see Cleaningand Maintenance, page 31)or replace burner orifice2. Replace damaged burner3. Replace gas control1. Problem will stop after afew hours of operationTROUbLEShOOTINGContinuedPOSSIBLE CAUSE1. Gas control knob not fullypressed in2. Gas control knob notpressed in long enough3. Equipment shutoff valvenot fully open4. Pilot flame not touchingthermocouple, which al-lows thermocouple to cool,causing pilot flame to goout. This problem couldbe caused by one or bothof the following:A) Low gas pressureB) Dirty or partially cloggedpilot5. Thermocouple connectionloose at control valve6. Thermocouple damaged7. Control valve damaged1. Burner orifice clogged2. Inlet gas pressure is toolow3. Thermopile leads discon-nected or improperly con-nected4. Thermopile is defective1. Manifold pressure is toolow2. Burner porting or orificeclogged1. Burner orifice is clogged ordamaged2. Damaged burner3. Gas regulator defective1. Residues from manufac-turing processes and logscuring