Appliances --- Section 4
Cayman 2005
157
Operation
Heating Water with 120 Volt AC:
• Have either shore power or the generator sup-
plying AC voltage.
• Turn on the electric water heater switch (120
volt).
• Both gas and electric functions may be on at
the same time. This will speed up the process
of heating water for large volume use.
Heating Water with LP-Gas:
• Make sure the LP-Gas is turned on.
• Turn on the LP-Gas water heater switch (12 volt). The water heater will make an audible
"roar" from the burner when ignited.
• The indicator light on the switch will illuminate briefly, then go out when the water heater
is lit. 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 briefly, ignition occurs, and the lamp goes out.
• If the burner does not light within 6 to 9 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.
030912
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