Service Hints - UTICA BOILERS UH16 Series Installation, Operation & Maintenance Manual

You may avoid inconvenience and service calls by checking these points before you call for service.
Possible Cause
Thermostat is not set correctly
Burner is not operating properly
No electric power to boiler
Controls out of adjustment
Radiators not heating
Poor electrical contact
Rollout switch blown
Chimney flue is blocked
Vent damper not operating
Gas input amount is incorrect
Not enough ventilation
Chimney flue is blocked
Air in system
Dirt on seat
HAVE YOUR SERVICE TECHNICIAN CHECK ANY PROBLEM YOU ARE UNABLE TO CORRECT.

SERVICE HINTS

!
CAUTION
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use
any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow gas supplier's
instructions.
• If you cannot reach your gas supplier, call the fire
department.
IF YOUR SYSTEM IS NOT HEATING OR NOT GIVING ENOUGH HEAT . . .
Reset thermostat above room temperature.
Inspect flame. If yellow, burner is not getting enough air. If blue and noisy and
seems to lift off burner, burner is getting too much air. Contact service technician.
Verify electric power supply circuit is "ON". Contact your service technician to
verify over current protection.
Reset according to instructions.
Inspect steam air vents for proper operation. Contact service technician to inspect
for faulty steam traps.
Contact your service technician to inspect all control terminals and wire joints.
Have your service technician check heat exchanger for blockage.
Spill switch contacts open, requiring manual reset of spill switch. Have your service
technician check and correct chimney problem.
Consult troubleshooting guide, packaged with vent damper.
IF BURNER IS NOISY . .
Contact your service technician.
IF WALLS OR WINDOWS SWEAT . . .
Contact your service technician
Contact service technician to inspect and correct, if necessary.
IF RADIATORS ARE NOISY . . .
refer to "Radiators Not Heating" above
SAFETY VALVE LEAKING . . .
Contact service technician.
What to do
.
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