Voltage Selector Switch - Bunn CDBC Operating & Service Manual

SERVICE (cont.)

VOLTAGE SELECTOR SWITCH

FIG. 9 VOLTAGE SELECTOR SWITCH
Location:
The voltage selector switch is located on the
component mounting bracket behind the front
access panel.
Test Procedure:
1. Disconnect the brewer from the power source.
2. Disconnect the white and blue wires from the
selector switch. With the selector switch in the
120V position, check for continuity between the
two empty terminals of the switch.
If continuity is present as described, reconnect the
white wire and continue to Step 3.
If continuity is not present as described, replace the
voltage selector switch.
3. With the selector switch in the 120/208-240V
position, disconnect the white/violet wire from the
selector switch. check for continuity between the
two empty terminals.
If continuity is present as described, the voltage selec-
tor switch is operating properly.
If continuity is not present as described, replace the
voltage selector switch.
Removal and Replacement:
1. Disconnect the brewer from the power source.
2. Disconnect the three wires from the selector switch.
3. Remove the switch mounting nut from the under
side of component mounting bracket; remove
switch from bracket.
4. Install new switch in component mounting bracket
and secure with mounting nut.
5. Refer to FIG. 10 when reconnecting wires to the
switch.
P2503
Page 28
WHI/VIO to Tank Heater
Blue to Tank Heater
White to Terminal Block
FIG. 10 VOLTAGE SELECTOR
SWITCH TERMINALS
P2504
29707.1 082803