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1. Turn off gas supply.
2. Set thermostat or controller above room temperature
to call for heat.
3. Watch for ignition spark or for glow at hot surface
igniter either immediately or following prepurge. See DI
module specifications.
4. Time length of igniter operation. See DI module
specifications.
5. After the module locks out, open manual gas cock
and make sure no gas is flowing to burner.
6. Set thermostat below room temperature and wait one
minute.
7. Operate system through one complete cycle to make
sure all controls operate properly.
SERVICE
!
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 control.
!
CAUTION
Do not apply a jumper across (or short) the valve
coil terminals, even temporarily. Doing so can
burn out the heat anticipator in the thermostat or
damage the DI module.
IF MAIN BURNER WILL NOT COME ON WITH
CALL FOR HEAT
1. Confirm that 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 ter-
minals 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 LIGHTING
!
WARNING
IF YOU DO NOT FOLLOW THE
WARNINGS BELOW AND THE
LIGHTING INSTRUCTIONS EXACTLY,
A FIRE OR EXPLOSION CAN RESULT
WITH PROPERTY DAMAGE, PERSONAL
INJURY OR LOSS OF LIFE.
1. Before lighting, smell around the appliance
area for gas. If the appliance uses LP (bottled)
gas, be sure to smell next to the floor because
LP gas is heavier than air. If you smell gas,
immediately shut off the manual valve in the
gas piping to the appliance or, on LP, at the
tank. Do not try to light any appliance. Do not
touch any electrical switch or use the phone.
Leave the building and call your gas supplier.
If your gas supplier cannot be reached, call the
fire department.
2. Do not force the gas control knob on the appli-
ance. Use only your hand to turn the gas con-
trol knob. Never use any tools. If the knob will
not operate by hand, replace the control using a
qualified service technician. Force or attempted
repair may result in fire or explosion.
3. The gas control must be replaced if it has been
flooded with water. Call a qualified service
technician.
4. The gas control is a safety device. It must be re-
placed in case of any physical damage such as
bent terminals, missing or broken parts, stripped
threads, or evidence of exposure to heat.
IMPORTANT: Follow the operating instructions pro-
vided by the manufacturer of your heating appliance.
The information below will be of assistance in a
typical control application, but the specific controls
used and the procedures outlined by the manufac-
turer of your appliance may differ, and require spe-
cial instructions.
TO TURN ON FURNACE
STOP: Read the safety information above.
1. The lighting sequence on this appliance is automatic;
Do not attempt to manually light the main burner.
2. If the furnace does not come on when the thermostat
is set several degrees above room temperature, set the
thermostat to the bottom of its range to reset safety control.
7
69-0329—4
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