Water Valve Replacement Procedure - Norcold N109X Series Service Manual

water Valve
The water valve, see Figure 48, is solenoid operated.
This valve is located on the back of the cabinet on
the bottom of the refrigerator The solenoid is supplied
120 Vac through the ice maker wire harness. Spring
pressure maintains the valve shut when the solenoid is
not energized.

water Valve Replacement Procedure

1. Turn the refrigerator OFF.
2. Unplug both the ice maker AC power cord and
the refrigerator AC power cord from the RV
receptacle.
3. Shut off the water supply to the ice maker.
4. Disconnect the wires from the water valve
solenoid terminals.
5. Disconnect the white heater wire from the
thermostat wire (white-from-brown).
6. Disconnect remaining white heater wire from wire
harness lead (white-from-red).
7. Disconnect the brown thermostat wire from wire
harness (brown-from-red).
8. Disconnect the water supply line from valve's inlet
fitting.
9. Disconnect the ice maker water line.
10. Remove the thermostat clips (2) and thermostat.
Retain thermostat and clips.
11. Unwrap the heater wire from water valve.
12. Remove the water valve retaining screws, then
remove the water valve/bracket assembly. Retain
screws and spacers.
Refrigerator Service Manual
Wire harness From ac power cord
(brown)
Thermostat
Black
Red
figure 48. Solenoid water valve
to install a replacement solenoid water valve:
1. Install the replacement water valve/bracket
assembly on the refrigerator. Use screws and
spacers previously removed.
2. Clip the thermostat to water valve bracket. Use
clips previously removed.
3. Carefully wrap one white heater wire around the
valve as shown in Figure 48. Do not exceed two
wraps at each point.
4. Tape wire wraps to keep the wire turns in position
and to keep wire turns from overlapping. Do not
allow wires to overlap.
5. Connect the wrapped white heater wire to a
thermostat wire (brown).
6. Connect the remaining white heater wire to the
black wire connected to the refrigerator wire
harness
7. Connect the remaining thermostat brown wire to
the red wire connected to the refrigerator wire
harness.
8. Connect ice maker water line, then tighten fitting
firmly. Do not overtighten.
9. Connect RV water supply to water valve, then
tighten fitting firmly. Do not overtighten.
10. Connect solenoid wires. Brown wire to terminal M
and wire from 120 Vac power cord to terminal B4.
11. Open water supply to ice maker.
12. Plug in both ice maker ac power cord and the
refrigerator ac power cord.
13. Turn refrigerator ON.
2-wraps maximum
To ice maker
51
N109X Models