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GENERAL All furnaces have been fire-tested to check for proper
operation. This includes main burner flame, pilot flame, and gas
control operation. If the furnace fails to function on initial installation,
it is advisable to re-check the following:
1.
Inlet gas pressure.
2.
Type of gas being used and that shown on the rating plate.
The Service Department at Empire Comfort Systems, Inc. may be
contacted to assist in servicing furnace.
Servicing the Pilot and Main Burner, Pilot Orifice, Thermopile
and Main Burner Orifice
Disconnect the gas supply at the inlet to the control valve. Remove the
burner assembly to which the above components are attached.
Pilot Does Not Light
With air in the gas line, such as when the furnace is first installed
or was "OFF" all summer, the pilot flame may be too lean to ignite
on the first few trials. Turn the gas control knob to PILOT position
and depress the gas control knob. Hold the gas control knob down
to bleed the line;
1.
Use lighter rod to light pilot with a match.
If Pilot Does Not Light By Any Means
1.
Check gas control knob for being in the "Pilot" position.
2.
Check pilot adjustment for being full open (counterclockwise
to open).
3.
If gas is available in the supply tubing, the pilot orifice and/
or pilot burner is probably restricted by a spider web. Clean
pilot assembly and relight.
Page 14
TROUBLESHOOTING
If Pilot Does Not Remain "On" After Releasing Gas Control
Knob
Pilot Outage During Normal Operation
Main Gas Valve Does Not Open When Thermostat Is Turned
"On"
1.
Follow instructions and hold gas control knob down longer
and harder.
2.
Determine if pilot flame extends past thermopile; if not, adjust
pilot flame or clean pilot burner.
3.
Replace thermopile if millivolt reading is less than 300 millivolts
when wall thermostat or remote bulb is turned OFF. Replace
gas control if magnet dropout millivolt reading is over 100
millivolts.
1.
Check input by manifold pressure gauge or gas meter.
2.
Check millivolt output when furnace is in operation. If millivolt
output decreases during furnace operation gas control may
be defective.
1.
Check millivolt output of thermopile.
2.
Thermostat wires may be broken.
3.
Thermostat may be defective.
32038-1-0314
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