NOTE: The automatic ignition circuit board will attempt to
light the burner three times before the ignition board will go
into “lock-out.” If the burner does not light, the furnace
blower motor will continue to run and the wall thermostat
will have to be cycled off.
• Slide the ON/OFF switch to the ON position.
• Select the FURNACE mode on the Comfort Control using the
MODE button.
• Select the AUTO speed with the FAN button.
• Select the desired temperature with the arrow up and down buttons.
• After storage the furnace may produce a musty smell during the first
couple of cycles.
• Operating the furnace at an altitude above 5,000 feet reduces the BTU
output due to air/fuel ratio.
• The furnace will periodically need to be serviced by a qualified
technician. If the furnace exhibits unusual symptoms or noises, or has an
unusual odor when operating, have the furnace checked or serviced.
• It is advisable to use the furnace to heat the inside of the motorhome
during transit. Outside temperature can vary to extreme cold. The dash
heater may not provide adequate heat to the interior.
NOTE: When washing the exterior of the motorhome, avoid
a direct stream of water into the outside furnace vents. This
can cause damage to the furnace.
If the furnace fails to light make sure the LP-Gas supply valves are open
and the LP-Gas switch is turned on. The furnace will not light if the blower
motor is not spinning to its specified speed. This may be due to a low house
battery charge condition.
To Charge the House Batteries:
1.) Hook-up to shore power.
2.) Start the generator.
3.) Start the main engine to charge the batteries.
WARNING: If you smell gas and the blower motor is spinning
do not attempt additional furnace operation as this may
result in an explosion, fire or personal injury. Contact a
qualified technician.
Appliances
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DIPLOMAT
4•122
Tips
If the Furnace Fails
to Light
Using the Furnace
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