To light furnace.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow the safety warnings exactly could result in serious injury, death or property damage.
Never test for gas leaks with an open flame. Use a com- mercially available soap solution made specifically for the detection of leaks to check all connections. A fire or explosion may result causing property damage, personal injury, or loss of life.
Lighting instructions.
Your furnace is equipped with a hot surface direct ignition device.
WARNING.
Do not attempt to manually light the furnace.
1.Please read all safety information in this book before operating furnace.
2.Set thermostat to lowest setting. Turn off all electric power to furnace.
3.Remove control access panel.
4.Turn gas cock knob on main gas valve with unit clockwise to “OFF” position. If external gas cock is used, turn to “OFF” position. Allow 5 minutes for any gas within the unit to escape. LP gas being heavier than air may require forced ventilation. If you smell gas STOP! Follow the “What To Do If You Smell Gas” instructions on the front cover of this book. If you don’t smell gas, go to next step.
5.Turn gas cock knob counterclockwise to “ON” marker.
6.Replace control access panel.
7.Turn on main electrical supply and set thermostat to desired setting. Combustion blower will start and ignition device will start to heat up. After approximately 15 seconds main gas valve will open and burners will ignite.
8.When thermostat is satisfied, main burners will extinguish.
9.If main burners fail to ignite, lower thermostat setting or disconnect electrical supply, wait 5 minutes, raise thermostat setting above indicated temperature.
10.If furnace will not light, turn “OFF” all gas and electricity to unit and call servicer or gas supplier.
For complete shutdown.
Turn gas cock knob on main gas valve to “OFF” position. Discon- nect electrical supply to unit.
CAUTION: If this is done during the cold weather months, provisions must be taken to prevent
Whenever your house is to be vacant, arrange to have someone inspect your house for proper temperature. If your furnace should fail to operate, damage could result, such as frozen water pipes.
Safety cutoff device (thermal limit).
All models are equipped with a fusible link behind gas valve. In case of main gas valve malfunction and consequent overheating, link will open and close off flow of all gas. See instruction label on front panel of heat exchanger.
Your furnace may have a "Knob Switch" or a "Toggle Switch" to turn the gas ON or OFF.
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