Crown GLT-20, Руководство по установке и эксплуатации

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INSTALLATION & OPERATION MANUAL 10070 REV 0 (04/21) PAGE
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PROBLEM PROBABLE CAUSE
Motor will not run.
No current. Check that power is being supplied to the unit.
Defective thermostat or pressure switch.
Defective motor.
Motor overload out.
Blown fuse.
Motor runs, no spark.
Defective transformer.
Defective ignition module.
Blown fuse on ignition module.
Defective spark electrode (cracked insulator).
Defective ignition cable.
Defective centrifugal switch on motor.
Motor runs, spark present,
no gas ignition.
Manual main valve off.
Mislocated spark or ground rods.
Defective valve.
Defective ignition module.
Burner rate set too high. Ensure that manifold pressure is set per rating
plate and that correct orifice size installed (See table page 21).
Burner getting too much air. Reduce air shutter opening (not below 1.0).
Low water light comes on. Add water - See previous section ADJUSTMENTS.
Relief valve opens.
Pressure switch set too high.
Pressure gauge is not accurate.
Relief valve is faulty
Flame burns only about
six (6) seconds and shuts off.
Flame rod or flame ground mislocated.
Defective flame rod wire.
Defective ignition module.
Burner rate set too high. Ensure that manifold pressure is set per rating
plate and that correct orifice size installed (See table page 21).
Burner getting too much air. Reduce air shutter opening (not below 1.0).
Short flame.
Wrong size orifice. (See table on page 21).
Low gas pressure.
Air shutter adjustment.
Main manual valve partially closed.
Long hazy flame.
Wrong size orifice.
High gas pressure.
Dirty blower wheel or intake.
Air shutter adjustments.
Gas fails to shut off.
Dirt on valve seat.
Defective main valve.
NOTICE
Loose, broken or grounded wiring may cause many of the symptoms listed.
Check all wiring and make sure it is intact.