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Water Heater Switch
Be sure the water heater is filled with water before pressing this switch. To fill the water heater,
turn the water pump switch on and open a hot water faucet until water begins to flow.
On electronic ignition models, the "W.H. Pilot" light will glow for about 10-15 seconds after the water heater
switch is turned on, then it will go off. If the light comes on during normal operation, it means that the
burner has gone into "lockout" mode. Turn the switch off for about 5 minutes, and then turn back on. See
"Water Heater" elsewhere in this section for further information.
Water Heater
Water Heater Capacity 6 gal.
Direct Ignition Models
1. Place Water Heater switch in the "On" position. The switch and "WH Pilot" light are located on the lower
face area of the galley cabinet.
2. If "W>H> Pilot" light stays on longer than 15 seconds, place switch in "Off" position and wait 5 minutes.
3. Repeat step one.
4. If heater fails to operate due to high water temperature, the heater will go into a lockout condition
("W.H. Pilot" light on). When water cools, reset by placing switch in "Off" position for at least 30
seconds, then return to "On" position.
5. If a lockout condition persists: contact your dealer, an Atwood Service Station or Atwood Service
Department (Phone: 815-877-5700).
6. For complete shut-down before servicing:
a. Place Water Heater switch in "Off" position.
b. Remove red wire from left-hand terminal of ECO switch (ECO to valve).
The temperature knob or lever is factory adjusted to its lowest setting. We recommend the mid-
point position between warm and hot, as noted above. This will provide for energy efficient
operation and sufficiently hot water. Setting at a higher position will produce a higher temperature
and increase the risk of being scalded.
WATER HEATER PRESSURE-TEMPERATURE RELIEF VALVE
On occasion, water may be seen seeping from the water heater pressure temperature relief valve. This is no
cause for concern, repair or replacement of the valve.
Normally there is an air gap at the top of the water heater tank, which acts as a pressure buffer. In time,
however, heated water may expand and fill this air gap, causing a slight increase in water pressure. This
may cause the P-T valve to "weep" until the air gap is manually replaced.
To Replace the Air Gap:
1. Turn off the water heater switch and incoming water supply (city water and/or demand pump).
2. Open a faucet in the motor home to relieve water pressure.
(DSI)
CAUTION
48
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