Bunn FMD-3 service manual SOLENOID VALVES DISPENSE cont, Solenoid Valve Inlet, SERVICE cont

SERVICE (cont.)

SOLENOID VALVES (DISPENSE) (cont.)

3.Drain enough water from the tank (approximately 1.0 gallon) so the water level is below the dispense valve mounting hole.

NOTE: Bunn-O-Matic has a syphon assembly, #12440.0000. available for this purpose.

4.Disconnect the water line from the solenoid valve.

5.Remove the #10-32 screw securing the solenoid valve to side of the tank. Remove solenoid valve.

6.Using the #10-32 screw install new solenoid valve on side of the tank

7.Push the water line onto the tube on bottom of solenoid valve.

8.Refer to Fig. 29 when reconnecting the wires.

	FMD-2 & 3
TAN to Jumper Plug	FMD-3 ONLY
or to Cold Switch	FMD-2 & 3
WHI to Main
Harness

SOLENOID VALVE (INLET)

P1445.40

FIG. 30 INLET SOLENOID VALVE

Location:

The inlet solenoid is located inside on the left rear of the dispenser housing.

Test Procedures:

ORN to Auger Motor

WHI to Main Harness

WHI/VIO to Auger Motor

WHI to Main Harness

FIG. 29 DISPENSE SOLENOID VALVE

TERMINALS

P1453.90

1.Disconnect the dispenser from the power source.

2.Disconnect the white and violet wires from the solenoid valve.

3.Check the voltage across the white and violet wires with a voltmeter. Connect the dispenser to the power source. The indication must be 120 volts ac for two wire 120 volt models, three wire 120/208, 120/240 volt models and 240 volts ac for two wire 240 volt models.

4.Disconnect the dispenser from the power source,

If voltage is present as described, proceed to #5

If voltage is not present as described, refer to the wiring diagram and check dispenser wiring harness.

5.Check for continuity across the solenoid valve coil terminals.

If continuity is present as described, reconnect the white and violet wires to the solenoid.

If continuity is not present as described, replace the solenoid valve.

6.Check the solenoid valve for coil action. Connect the dispenser to the power source. Listen care-

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