8. If lockout occurs before main burner lights, turn switch to “OFF”, wait ve
seconds and turn switch to “ON” position. This will restart the ignition cycle.
The rst start-up of the heater may require several ignition cycles before all air
is purged from the gas lines.
If the burner will not come on, the following items should be checked before calling
a service person.
1. Switch turned o.
2. Gas supply to heater is empty or turned o.
3. Reset button on ECO is tripped
OPERATING INSTRUCTIONS
FOR UNITS WITH ELECTRIC ELEMENT
Electric water heaters are designed to operate with a minimum amount of service
problems; however, proper operation and care is essential.
By far the most common trouble with electric water heaters results from energizing
the water heater before it is lled with water. Even brief operation of the electric
element without water in the tank will burn-out the electric heating element.
Turn o gas supply to the water heater. To energize the electric heating element,
turn the switch to “ON.” Reverse the procedure to disconnect electric heating
element.
The switch is located behind the water heater door in the lower left corner of the
control housing. The water temperature will be regulated by the thermostat.
This procedure is necessary so as to prevent 240 V element and gas heating from
operating simultaneously.
TO TURN OFF WATER HEATER
1. Turn switch to “OFF” position.
2. Turn o electrical power to the appliance.
3. Turn o gas supply.
4. If vehicle is to be stored or heater is going to be turned o while subject
to freezing temperature, drain water heater. (See “Draining and Storage
Instructions.”)
Figure 2
(Models SW4DEA and SW6DEA)
A
FRAMED OPENING
DETAIL A
SPECIAL SCREW
CONTROL HOUSING
GASKET
DOOR LATCH
RADIUS CORNER DOOR FRAME
CONTROL HOUSING
HINGE ROD
RADIUS CORNER DOOR
SILICONE CAULKING INNER EDGE OF
CONTROL HOUSING
CAULK AROUND OPENING
TO SEAL CONTROL HOUSING
TO SKIN, WATER TIGHT
FRAMED OPENING
(SEE FIGURE NO. 1)
EXTERIOR
COACH SKIN
CAULK ALL THE WAY AROUND DOOR FRAME TO
SEAL FRAME TO COACH WALL, WATER TIGHT
(SEE DETAIL A)
MOUNTING SCREWS, FRAME TO COACH WALL
(11) REQ'D.
MOUNTING SCREW (SPECIAL)
DOOR FRAME TO CONTROL HOUSING
(3) REQ'D.
SILICONE CAULKING
DOOR FRAME
AC JUNCTION BOX
DC JUNCTION BOX
FRAMING
A
B
INNER COACH WALL
OUTER COACH WALL
FLOORING
A=325 MM + 3MM - 0
B=325 MM + 3MM - 0
Figure 1
SECURE CHOCKS, ONE ON EACH SIDE, TIGHTLY AGAINST WATER HEATER JACKET
AND FASTEN TO VEHICLE FLOOR TO PREVENT MOVEMENT. CHOCKS SHOULD BE
APPROXIMATELY 2" X 2" X 6"
FRAMED OPENING
COMPARTMENT
BOTTOM
Figure 1A
5
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