State GPH-90N - Manual (Page 63)

0610 63 319172-000 Rev. 00
To Install:
Re-install the original HiLimit temperature switch.
Secure a new (white) gaskets in place on the Draft Hood
and Combustion Chamber.
Reassemble the Draft Hood to the upper portion of heat
engine.
Reassemble the Combustion chamber to the heat
exchanger.
Reassemble the exhaust gasket and ring over the
exhaust vent.
Re-install the Heat exchanger assembly to the Heat
Engine Cabinet.
Carefully reconnect the HiLimit temperature switch (2
thin red wires) and the Blower motor wiring harness plug
to the circuit board.
Carefully reconnect the (black) wire from the Spark
generator to the electrode.
Slide the circuit board into its proper position and secure
using the two screws.
Reassemble the orifi ce plate to the combustion chamber.
One of these screws also secures the Spark generator,
another one secures a ground lug.
Reassemble the top portion of the Gas valve to the
burner chamber.
Re-install the ECO switch.
Carefully reconnect the blue wire to the Flame sensor.
Reassemble the retaining clip that holds in the copper
tube to the internal fl ow valve at the lower right hand side
of the heat engine.
Reassemble the retaining clip that holds in the copper
tube to the fi tting on the left hand side of the heat
engine.
Open the shutoff valves on both the hot-water and cold-
water lines.
Fill the tank following the instructions in the “Filling The
Water Heater” section in the Operating Manual.
Check for leaks and repair as required.
Reassemble the front cover of the Heat Engine.
Close and lock the door.
Open the shutoff valve on the gas supply line to the
water heater.
Reconnect the electrical power to the water heater.
Restart the water heater following the “Lighting
Instructions” found in the Operating Manual. 1.
2.
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23.
Gasket
(Exhaust)
Draft
Hood
Screw (6)
Combustion
Chamber
Screw (6)
Draft Hood
Combustion
Chamber
Ring
Heat
Exchanger
Gasket
(Draft Hood)
Gasket
(Combustion
Chamber)
HiLimit
Temperature
Switch