Water Heaters; Dometic Tank-Style Water Heater With Direct Spark - NewMar Bay Star 2022 Owner's Manual

P LU M B IN G

Water Heaters

Keep your water warm for cooking, bathing, and cleaning in your coach.

Dometic Tank-Style Water Heater with Direct Spark

Ignition Operation (Model: WH6GEA)
This article provides basic operation instructions for a Dometic tank-style water heater with direct spark ignition (Model:
WH6GEA).
Operating The Electronic
Control
1. Place the control switch in the ON position.
•
If control switch light
stays on longer than
15 seconds place the
control switch in the
OFF position, wait 5
minutes, and repeat
Step 1.
GAS FUNCTION
WARNING
!
BURN HAZARD, FIRE, EXPLOSION, AND/OR
CARBON MONOXIDE HAZARD. Keep the water
heater area clear of combustible cleaning materials,
gasoline, and other flammable vapors and liquids.
Failure to obey this warning could result in death or
serious injury.
NOTE FROM NEWMAR
Make sure the water heater is full of water and is not
bypassed. Turn on the gas valve on the LP tank.
When the gas heating element switch is turned to
the ON position, the Water Heater will make three
attempts to light. If for any reason there is no ignition,
the Water Heater will lockout and the red lockout lamp
will illuminate. If the thermostat fails, the E.C.O. will also
lockout the Water Heater and a reset will be required.
Determine the reason for no control, correct it, and reset
the gas control sequence by turning the switch to the
OFF position then to the ON position.
ELECTRIC HEATING ELEMENT
NOTE FROM NEWMAR
Check for the proper voltage supply (120 Volts). Make sure
the water heater is full of water and is not bypassed. Turn
on the switch to the electric element. The water heater will
control the temperature.
When the electric element switch is turned to the ON
position, the relay will close and pass 110 VAC to the
element. If the thermostat fails, the E.C.O. will open and
lockout the system. To correct, check the thermostat to
154
© 2021 Copyright Newmar Corporation. All rights reserved. For the most up-to-date version of this content, and for more product-specific information, please refer to Newgle.
assure good contact with the tank. Reset the control by
turning the electric switch to the OFF position then to
the ON position.
GAS/ELECTRIC FUNCTION
The unit can be run in both gas and electronic modes
simultaneously for a quick recovery.
•
If the gas fails to ignite, the gas mode will lockout,
but the lockout lamp will not illuminate since the
electric mode is still operational.
Should you notice slow recovery, indicating the gas is
not working, turn the electronic control switch to the OFF
position. The indicator lamp will illuminate signaling a
lockout has occurred on the gas side.
Correct the problem and turn the switches to the ON
position.
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.
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.