Desa GWRP16A Safety Information And Installation Manual

Contents

Desa GWRP16A Safety Information And Installation Manual Manual pdf 19 page image

www.desatech.com 19119346-01BTROUbLESHOOTINGContinuedPOSSIBLE CAUSE1. Control knob not fullypressed in2. Control knob not pressed inlong enough3. Equipment shutoff valve notfully open4. Thermocouple connectionloose at control valve5. Pilot flame not touchingthermocouple, which allowsthermocouple to cool, caus-ing pilot flame to go out. Thisproblem could be caused byone or both of the following:A) Low gas pressureB) Dirty or partially cloggedODS/pilot6. Thermocouple damaged7. Control valve damaged8. Safety interlock system hasbeen triggered (thermostatmodels only)1. B u r n e r o r i f i c e ( s ) i sclogged2. Inlet gas pressure is toolow1. Manifold pressure is toolow2. B u r n e r o r i f i c e ( s ) i sclogged1. Burner orifice(s) is cloggedor damaged2. Burner damaged3. Gas regulator defective1. Plaque damaged2. Inlet gas pressure is toolow3. Control knob set betweenlocked positions1. Residues from manufactur-ing processes1. Metal expanding whileheating or contracting whilecoolingREMEDY1. Press in control knob fully2. After ODS/pilot lights, keepcontrol knob pressed in 30seconds3. Fully open equipment shut-off valve4. Hand tighten until snug,then tighten 1/4 turn more5. A) Contact local natural orpropane/LP gas companyB) Clean ODS/pilot (seeCleaning and Maintenance,page 16) or replace ODS/pilot assembly6. Replace pilot assembly7. Replace control valve8. Wait one minute for safetyinterlock system to reset.Repeat ignition operation1. Clean burner orifice(s) (seeCleaning and Maintenance,page 16) or replace burnerorifice(s)2. Contact local natural orpropane/LP gas company1. Contact local natural orpropane/LP gas company2. Clean burner orifice(s) (seeCleaning and Maintenance,page 16) or replace burnerorifice(s)1. Clean burner orifice(s) (seeCleaning and Maintenance,page 16) or replace burnerorifice(s)2. Replace burner3. Replace gas regulator1. Replace burner2. Contact local natural orpropane/LP gas company3. Turn control knob until itlocks at desired setting1. Problem will stop after a fewhours of operation1. This is normal with most heat-ers. If noise is excessive, con-tact qualified service personOBSERvED PROBLEMODS/pilot lights but flamegoes out when control knobis releasedBurner(s) does not light afterODS/pilot is litDelayed ignition of burner(s)Burner backfiring duringcombustionBurner plaque(s) does notglowSlight smoke or odor duringinitial operationHeater produces a clicking/ticking noise just after burneris lit or shut off