14103547PROPANE/LP GAS HEATER10,000 AND 6,000 BTU/HRYou may have further questions about in-stallation, operation, or troubleshooting.If so, contact DESA International’s Techni-cal Service Department at 1-800-323-5190.TECHNICALSERVICESERVICE HINTSWhen gas pressure is too low• pilot will not stay lit• burner will have delayed ignition• heater will not produce specified heat• propane/LP gas supply may be lowWhen gas quality is bad• pilot will not stay lit• burner will produce flames and soot• heater will backfire when litYou may feel your gas pressure is too low orgas quality is bad. If so, contact your localpropane/LP gas supplier.TROUBLESHOOTINGContinued WARNING: If you smell gas• Shut off gas supply.• Do not try to light any appliance.• Do not touch any electrical switch; do not use any phone in yourbuilding.• Immediately call your gas supplier from a neighbor’s phone. Follow thegas supplier’s instructions.• If you cannot reach your gas supplier, call the fire department.IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaningsupplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles,etc., create fumes. These fumes may mix with combustion air and create odors.OBSERVED PROBLEMHeater produces unwanted odorsHeater shuts off in use (ODS operates)Gas odor even when control knob is in OFFpositionGas odor during combustionMoisture/condensation noticed on windowsPOSSIBLE CAUSE1. Heater burning vapors from paint, hairspray, glues, etc. (SeeIMPORTANTstatement above)2. Low fuel supply3. Gas leak. See Warning statement attop of page1. Not enough fresh air is available2. Low line pressure3. ODS/pilot is partially clogged1. Gas leak. See Warning statement attop of page2. Control valve defective1. Foreign matter between control valveand burner2. Gas leak. See Warning statement attop of page1. Not enough combustion/ventilation air.REMEDY1. Ventilate room. Stop using odor-causingproducts while heater is running2. Refill supply tank3. Locate and correct all leaks (see Check-ing Gas Connections, page 9)1. Open window and/or door for ventila-tion2. Contact local propane/LP gas company3. Clean ODS/pilot (see Cleaning andMaintenance, page 11)1. Locate and correct all leaks (see Check-ing Gas Connections, page 9)2. Replace control valve1. Take apart gas tubing and remove for-eign matter2. Locate and correct all leaks (see Check-ing Gas Connections, page 9)1. Refer to Fresh Air for Combustion andVenti-lation requirements (page 3)MANUAL SHUTOFFVALVE - GA5010Manual shutoff valvewith 1/8" NPT tap.ACCESSORYPurchase this heater accessory from yourlocal dealer. If they cannot supply this ac-cessory, either contact your nearest PartsCentral (see page 15) or call DESAInternational’s Parts Department at 1-800-972-7879 for referral information. You canalso write to the address listed on the backpage of this manual.