16
EN
Maintenance And Care L.P. Gas Water Heater
5.2 Clearing a Water Heater
Operation Failure
If the Water Heater fails to operate due to high-water
temperature, a lockout condition will occur. Investigate
the cause of overheating and correct the issue before
resetting the Water Heater.
Investigate the cause of the overheating then perform
the following to reset the Water Heater:
1. Allow water to cool.
2. Place the control switch in the OFF position and wait
30 seconds.
3. Turn the control switch to the ON position.
If the lockout condition persists:
1. Read the Maintenance and Care Instructions and the
Electronic Control Maintenance in this manual.
2. Contact a Dometic Service Center.
5.3 Shutting Down the Water Heater
q
ww
18 Removing the Red Wire from the E.C.O. Switch
q
Red Wire
w
E.C.O. Switch Le Terminal
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Perform these steps before performing any service
on the Water Heater.
1. Place the control switch in the OFF position.
2. Remove the red wire from le hand terminal of the
E.C.O. switch (E.C.O. to valve).
6 Maintenance And Care
WARNING: CARBON MONOXIDE POISONING
HAZARD.
Gas flames consume oxygen, which must be
replaced to assure proper combustion. Provide
fresh air during testing, service, and maintenance
of this appliance. Failure to obey this warning can
result in death or serious injury.
WARNING: FIRE OR EXPLOSION HAZARD.
Failure to obey these warnings could result in
death or serious injury:
• When performing any maintenance or care, shut
off the gas supply at the L.P. container before
disconnecting a gas line.
• Keep the control compartment clean and free of
gasoline, combustible material and any flammable
liquids and vapors.
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During service of the controls, label all wires before
disconnecting any wires.
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Verify proper operation aer servicing.
Have the gas pressure tested periodically. The pressure
should be set at 11 in. (27.94 cm) of water column with
three appliances running.
Drain the Water Heater at regular intervals (at least one
time during the year).
Drain the Water Heater before storing the RV for the
winter or when the possibility of freezing exists.
Keep the vent and combustion air grill clear of any
obstructions.
Periodically check the main burner flame.
6.1 Servicing the DSI Control Board
The Water Heater comes factory-equipped with a fuse
on the DSI control board to protect from wiring shorts.
If the fuse is blown, the Water Heater will not operate.
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