Service Hints; For Your Safety - Dunkirk PVWB Installation Instructions Manual

You may avoid inconvenience and service calls by checking these points before you call for service.
1. Do Not try to light any appliance.
2. Do not touch any electric switch, do not use the phone.
3. Leave the building immediately, then call your gas supplier.
4. If you cannot reach the gas supplier, call the fire department.
IF YOUR SYSTEM IS NOT HEATING OR NOT GIVING ENOUGH HEAT . . .
Possible Cause
Thermostat is not set correctly Reset thermostat above room temperature
Burner is not operating properly Check flame. If it is yellow, the burner is not getting enough air.
No electric power to boiler
Controls out of adjustment
Radiators not heating
Circulating pump not running
Poor electrical contact
Rollout switch blown
Spill switch blown
Vent damper not operating
Possible Cause
Gas input amount is incorrect
Possible Cause
Dirt on seat
Water logged expansion tank
HAVE YOUR SERVICE TECHNICIAN CHECK ANY PROBLEM YOU ARE UNABLE TO CORRECT.

Service Hints

FOR YOUR SAFETY

WHAT TO DO IF YOU SMELL GAS
What to do
Or, if flame is blue and noisy and seems to lift off the burner, the
burner is getting too mush air. Contact your service technician.
Check overcurrent protection. Check to be sure electric power
supply circuit is "ON".
Reset according to instructions.
Open radiator vents to excess air. Check flow control valve (if
used). It may be in closed position.
Check overcurrent protection. Check relay operation.
Check all control terminals and wire joints.
Have your service technician check heat exchanged for blockage.
Replace rollout switch with exact replacement.
Have your service technician check venting system and chimney
for blockage, or down draft condition. Reset spill switch.
Consult troubleshooting guide in Effikal manual, packaged with
vent damper.
IF BURNER IS NOISY . . .
What to do
Contact your service technician.
RELIEF VAVLE LEAKING . . .
What to do
Open valve manually. Allow water to run and clear valve seat.
Drain tank, see instructions.
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