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Reinstalling The Inner Door/Manifold/Burner Assembly
17. Insert the manifold/burner assembly in the burner
chamber compartment, making sure that the tip
of burner manifold tab engages in the slot of the
bracket (Figure 107).
The tip end of the burner manifold MUST
be placed in the slotted portion under the
condensation pan to obtain proper installation
(Figure 107).
18. After confirming no material of any type are
between door gasket and combustion chamber
shield, align the screws on the inner door with
the screw holes on the combustion chamber and
tighten with 1/4” nut driver or 1/4” socket & ratchet
(Figure 106). After tightening the inner door
screws, visually inspect area around door
gasket and skirt for spaces or gaps. The door
gasket MUST be sealed completely in order
for the water heater to perform properly.
DO NOT OPERATE THE WATER HEATER IF
THE DOOR GASKET DOES NOT CREATE
A SEAL BETWEEN MANIFOLD DOOR AND
COMBUSTION CHAMBER.
19. Reconnect the manifold tube to the gas control
valve/thermostat (Note: Do Not apply any thread
sealant at this connection). To prevent any cross
threading the manifold tube should be started
by hand (turn clockwise -natural gas). Upon
tightening with the fingers and confirming it has
not been cross threaded, tighten nut with an 3/4”
open end wrench or crescent wrench (Figure 110).
20. Reconnect all the electrical connections to the
bottom of the gas control valve/thermostat, gently
pushing each connector up snapping into place
(Figure 110).
21. Reconnect the electrical flag terminals and air
pressure tubing to pressure switch (Figure 111).
22. Turn on the electrical and the gas supplies to the
water heater. Plug in the electric connection from
the transformer to the electric outlet (Figure 103).
23. Restart the water heater by following the
directions on the “Lighting and Operating
Instructions” label located on the front of the water
heater.
24. As the burner is heating (view flames through
viewport), test the manifold tube connection at
the gas control valve/thermostat by brushing on
an approved noncorrosive leak detection solution
(IMPORTANT: Do Not splash any solution onto
any electrical connections) (Figure 110).
25. Upon verifying proper operation of the water
heater, replace the manifold cover/outer door.
IMPORTANT:
WHEN BRUSHING ON AN
APPROVED NONCORROSIVE
LEAK DETECTION SOLUTION,
DO NOT SPLASH SOLUTION
ONTO ELECTRICAL CON-
NECTIONS.
IGNITER/
FLAME
SENSE
CONNECTOR
MANIFOLD TUBE
POWER SUPPLY
TRANSFORMER
CONNECTOR
PRESSURE
SWITCH/FAN,
FV SENSOR
CONNECTOR
DISPLAY, ANODE
ROD CONNECTOR
GAS CONTROL
VALVE/THERMOSTAT
Figure 110.
Figure 111.
PRESSURE
SWITCH
MANIFOLD
TUBE