Bunn HC-2 Manual De Usuario

23

FIG. 14 HOT/COLD SWITCH

P1199.45

Location:

The hot/cold switch is located on the left side

of the front 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
white/red wire (P2) in the four pin connector on the
main wiring harness with a voltmeter. Connect the
dispenser 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 front
panel.

3.

Remove the hot/cold switch from the rear of the
front panel.

4.

Push new hot/cold switch through the hole on
the left side of the front panel and secure with
mounting nut.

5.

Reconnect the wires to the terminals on rear of
the switch.

6.

Refer to the illustration below when reconnect-
ing the wires.

FIG. 15 HOT/COLD SWITCH TERMINALS

P1208

WHI/BRN to Main
Harness
WHI/RED to Main
Harness
WHI/YEL to Cold
Solenoid

27591 031597