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WARNING
FIRE OR EXPLOSION HAZARD
CAN CAUSE PROPERTY DAMAGE,
SEVERE INJURY, OR DEATH
Do not disassemble the gas control; it contains no
replaceable components. Attempted disassembly
or repair may damage the gas control.
CAUTION
Do not apply a jumper across or short the valve coil
terminals. Doing so may burn out the heat anticipa-
tor in the thermostat or damage the DI module.
IMPORTANT: Allow 60 seconds after shutdown before re-
energizing step-opening model to ensure lightoff at step
pressure.
IF MAIN BURNER WILL NOT COME ON WITH
CALL FOR HEAT
1. Ensure gas control knob is in the ON position.
2. Adjust thermostat several degrees above room tem-
perature.
3. Using ac voltmeter, measure voltage across MV termi-
nals at gas control.
4. If no voltage is present, check control circuit for proper
operation.
5. If proper control system voltage is present, replace gas
control.
INSTRUCTIONS TO THE HOMEOWNER
FOR YOUR SAFETY READ BEFORE OPERATING
IMPORTANT: Follow the operating instructions provided
by the manufacturer of your heating appliance. The infor-
mation below will be of assistance in a typical control
application, but the specific controls used and the proce-
dures outlined by the manufacturer of your appliance may
differ, requiring special instructions.
WARNING
FIRE OR EXPLOSION HAZARD
CAN CAUSE PROPERTY DAMAGE,
SEVERE INJURY, OR DEATH
Follow these warnings exactly:
1. Pilot flame is lit automatically. Do not light the
pilot flame manually.
2. Before lighting pilot burner flame, smell around
the appliance for gas. Be sure to smell next to
floor because LP gas is heavier than air.
3. IF YOU SMELL GAS:
• Turn off the gas supply at the appliance
service valve. On LP gas systems, turn off gas
supply at the gas tank.
• Do not light any appliances in the house.
• Do not touch electrical switches or use the
phone.
• Leave the building and use a neighbor's
phone to call your gas supplier.
• If you can not reach your gas supplier, call the
fire department.
4. Do not force the gas control knob. Use only your
hand to push down or turn the gas control knob.
Never use any tools. If the gas control knob will
not operate by hand, the gas control should be
replaced by a qualified service technician. Force
or attempted repair may result in a fire or explo-
sion.
5. The gas control must be replaced in case of any
physical damage, tampering, bent terminals,
missing or broken parts, stripped threads, or
evidence of exposure to heat.
STOP: READ THE WARNINGS ABOVE.
If the appliance does not turn on when the thermostat is set
several degrees above room temperature, follow these in-
structions:
1. Set the thermostat to its lowest setting to reset the safety
control.
2. Disconnect all electric power to the appliance.
3. Remove the gas control access panel.
4. Push in the gas control knob slightly and turn clock-
wise
to OFF.
5. Wait five minutes to clear out any unburned gas. If you
then smell gas, STOP! Follow Step 3 in the Warnings above.
If you do not smell gas, continue with the next step.
13
VR8305
SERVICE
Service
68-0109—3
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