Desa CRB3624NR Owner's Operation And Installation Manual

Also see for CRB3624NR: OWNER'S OPERATION AND INSTALLATION MANUAL

Contents

Desa CRB3624NR Owner's Operation And Installation Manual Manual pdf 25 page image

www.desatech.com120044-01D 25POSSIBLE CAUSE1. Control knob not fullypressed in2. Control knob not pressed inlong enough3. Safety interlock system hasbeen triggered4. Equipment shutoff valve notfully open5. 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 connectionloose at control valve7. Thermocouple damaged8. Control valve damaged1. Inlet gas pressure is toolow2. Burner orifice(s) clogged3. Mislocated crossover tube4. Remote selector in the OFFposition5. Wire disconnected from gascontrol1. Manifold pressure is toolow2. Burner orifice(s) clogged3. Mislocated crossover tube1. Burner orifice is clogged ordamaged2. Damaged burner3. Gas regulator defective1. Not enough air2. Gas regulator defectiveREMEDY1. Press in control knob fully2. After ODS/pilot lights, keepcontrol knob pressed in 30seconds3. Wait one minute for safetyinterlock system to reset.Repeat ignition operation4. Fully open equipment shut-off valve5. A) Contact local natural orpropane/LP gas companyB) Clean ODS/pilot (seeCleaning and Maintenance,page 22) or replace ODS/pilot assembly6. Hand tighten until snug,then tighten 1/4 turn more7. Replace pilot assembly8. Replace control valve1. Contact local natural orpropane/LP gas company2. Clean burner(s) (see Cleaningand Maintenance, page 22)or replace burner orifice(s)3. Contact qualified serviceperson4. Put remote selector in theON position5. See Wiring Diagram, page 231. Contact local natural orpropane/LP gas company2. Clean burner(s) (see Cleaningand Maintenance, page 22)or replace burner orifice(s)3. Contact qualified serviceperson1. Clean burner (see Cleaningand Maintenance, page 22)or replace burner orifice2. Replace damaged burner3. Replace gas regulator1. Check burner(s) for dirtand debris. If found, cleanburner(s) (see Cleaning andMaintenance, page 22)2. Replace gas regulatorOBSERVED PROBLEMODS/pilot lights but flamegoes out when control knobis releasedOne or both burners do notlight after ODS/pilot is litDelayed ignition of one orboth burnersBurner backfiring duringcombustionYellow flame in front burnerduring burner combustionTROUBLESHOOTINGContinued