APPLIANCES - 4
CAY M A N 2 0 0 7
89
Troubleshooting
If the furnace fails to light make sure the LP-
Gas primary supply valve is open. The furnace
will not light if the blower motor is not spinning
to its speci ed speed. This may be due to a low
house battery charge condition.
To charge the house batteries: Hook-up to
shore power, start the generator or start the main
engine.
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.
WATER HEATER
The water heater uses two different methods
to heat water: 120 Volt AC (supplied either by
shore power or the on board generator) or LP-
Gas. The 120 Volt AC function is most energy
ef cient when operated from shore power. The
burner for LP-Gas operation is controlled by
an automatic ignition circuit board powered
by 12 Volt DC. Two thermostats control water
temperature, one for 120 Volt AC and the other
for LP-Gas. Thermostat temperature is preset
by the water heater manufacturer and not
adjustable. For ease of winterization, the water
heater is equipped with a tank drain plug and
bypass valve.
NOTE:
Refer to the Water Heater OEM manual
for detailed instructions.
Before Using the Water Heater:
Use water to purge air from the water system
and water heater and if necessary, purge FDA
approved RV antifreeze from the system.
To Purge Air and Pressurize the System:
Turn the water heater bypass valve
(located at the back of the water heater)
to Normal Flow. If necessary install
drain plug.
Fill the fresh water tank or hook to city
water.
Turn on the water pump or city water.
One at a time, open the hot and cold
valves of all faucets until a steady stream
of clear water ows with no bubbles or
pockets of air.
Inspect the water heater and water
system for leaks after the water system is
purged of air.
CAUTION:
After purging the water lines and
water heater, small air pockets may be
present. After the first heat cycle of the
water heater, initially open hot water
faucets slowly to minimize potential
spattering of hot water.
WARNING:
IF YOU SMELL GAS extinguish all
open flame and turn off the primary
LP-Gas valve. DO NOT touch any
electrical switches. They may cause a
spark that can ignite. Open all windows
and doors. Evacuate the motorhome.
Propane is a heavy gas and will lie on
the floor and hide in corners. Liquid
propane is highly volatile, explosive and
extremely dangerous. Explosion, fire,
property damage, injury or death can
result. Contact a qualified service center
to repair LP-Gas leaks before resuming
operation.
Water Heater Operation:
Turn on interior house power.
120 Volt AC is supplied from shore
power (preferred) or the generator.
The house batteries are charged.
Open the primary LP-Gas valve on the
LP-Gas tank.
NOTE:
DO NOT operate the water heater
without water. Damage to the
thermostats and electric heating element
can occur.
040405e
Water Heater bypass valve in
Normal Flow position.
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