Bunn FMD-2 Manuel de service télécharger pdf (Page 22)

SERVICE (cont.)

FIG. 15 HOT/COLD SWITCH

P1452.40

HOT/COLD SWITCH (Optional)

Location:

The hot/cold switch is located on the left side

of the whipper motor mounting panel.

Test Procedure:

1. Disconnect the dispenser from the power source.

2. Disconnect the four pin plug from the hot/cold

switch and the four pin connector on the main

wiring harness.

3. Press the left dispense switch on the door and

check the voltage across the white wire (P4) and

red wire (P2) in the four pin connector on the main

wiring harness with a voltmeter. Connect the dis-

penser to the power source. The indication must

be:

a) 120 volts ac for two wire 120 volt models.

b) 120 volts ac for three wire 120/208 volt or 120/

240 volt models.

c) 240 volts ac for two wire 240 volt models.

4. Disconnect the dispenser from the power source.

If voltage is present as described, reconnect the four

pin plugs and proceed to #5.

If voltage is not present as described, refer to the

wiring diagram and check the main wiring harness.

5. Disconnect the wires from the switch termi-

nals.

6. With the switch in the upper “Cold” position check

for continuity between the center terminal and

the bottom terminal. With the switch in the down

“Hot” position check for continuity between the

center terminal and the upper terminal.

If continuity is present as described, the hot/cold

switch is operating properly.

If continuity is not present as described, replace the

switch.

Removal and Replacement:

1. Remove all wires from the switch terminals.

2. Remove the mounting nut on the front of the

whipper motor mounting panel.

3. Remove the hot/cold switch from the rear of the

front panel and discard.

4. Reconnect the wires to the terminals on the rear

of the new switch.

5. Push new hot/cold switch through the hole on

the left side of the whipper motor mounting panel

and secure with mounting nut.

6. Refer to Fig. 16 when reconnecting the wires.

FIG. 16 HOT/COLD SWITCH TERMINALS

P1208

TAN to Main Harness

RED to Main Harness

28364 011598

WHI/YEL to Cold

Solenoid

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 35 36

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Bunn FMD-2 Manuel de service Page 22

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