116 • Section 4 — Appliances Cayman 2006
Heating Water with LP-Gas:
• Turn on interior house power.
• Make sure the LP-Gas is turned on.
• Turn the LP-Gas water heater switch on. The water heater burner will make an audible roar when ignited.
• When the water heater is lit the indicator light on the switch will illuminate briefl y, then go out. The
indicator light will glow steady when the ignition cycle has gone into “lock-out.”
CAUTION:
It is recommended not to operate the water heater on LP-Gas while the motorhome is in
transit. Be sure the water heater is OFF before refueling.
NOTE:
The automatic ignition circuit board will make three attempts to light the burner. If the
burner does not light the ignition circuit board will go into “lock-out.” Cycling the On/Off
switch will reset the ignition board.
Ignition Module:
The LP-Gas ON/OFF switch controls the ignition circuit to the water heater.
The indicator lamp illuminates under the following conditions:
• Upon initial start-up the lamp illuminates briefl y, ignition occurs, and the lamp goes out.
• If the burner does not light within six to nine seconds, the ignition board will lock out and the indicator
lamp will glow steady.
Thermostats
Separate thermostats are used for LP-Gas and AC electric. The thermostat controls the power to the module
board. At 130° F, the thermostat will open, extinguishing the burner. If the thermostat fails, a high temperature
safety limit switch will open. The safety switch will require manual reset.
CAUTION:
If the High Temperature safety limit should open, discontinue using the water heater. Have
the water heater inspected by a qualified technician to determine the cause of the over
temperature condition.
Water Heater Bypass
The bypass valve is located at the back of the water
heater. Turning the valve to BYPASS stops water from
entering the cold water inlet of the water heater. Turn the
valve to BYPASS when winterizing. For normal operation,
turn valve so that handle points to NORMAL FLOW.
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