Bunn CRT5 CRTF5 - Manual (Page 17)

Page 17
Location:
The ON/OFF switch(s) are located on the front of
the hood.
Test Procedure:
1. Disconnect the brewer from the power source.
2. Viewing the switch from the back remove the white
or red wire from the upper terminal and the black
wire from the center terminal.
3. Check the voltage across the white wire or red wire
and the black wire with a voltmeter. Connect the
brewer to the power source. The indication must
be:
a) 120 volts ac for two wire 120 volt models and
three wire 120/240 volt models.
b) 200 to 240 volts ac for two wire 200 or 240 volt
models.4. Disconnect the brewer from the power
source.
If voltage is present as described, reconnect the white
or red wire and proceed to #5.
If voltage is not present as described, refer to the
Wiring Diagrams and check the brewer wiring har-
ness.
5. With the black wire removed, remove the wire
from the lower terminal.
6. Check for continuity across the center and lower
terminal with the switch in the "ON" position.
Continuity must not be present when the switch is
in the "OFF" position.
If continuity is present as described, reconnect the
black wire to the center terminal and the remaining
wire to the lower terminal.
SERVICE (cont.)
ON/OFF WARMER SWITCH
P939
FIG. 6 ON/OFF WARMER SWITCHES
FIG. 7 ON/OFF WARMER SWITCH TERMINALS
P1257.50
10478 061500
If continuity is not present as described, replace the
switch.
Removal and Replacement:
1. Remove the wires from the switch terminals.
2. Compress the clips inside the hood and gently
push the switch through the opening.
3. Push the new switch into the opening and spread
the clips to hold switch in the hood.
4. Refer to Fig.7 when reconnecting the wires.
WHI to Terminal Block (White Insert
on 120V or 120/240V Models)
RED to Terminal Block (Red Insert
on 200V or 240V)
BLK to Terminal Block
(Black Insert)
WHI/RED to Lower Center Warmer
LOWER CENTER WARMER
LEFT FRONT WARMER
LEFT REAR WARMER
RIGHT FRONT WARMER
RIGHT REAR WARMER
WHI to Terminal Block (White In-
sert on 120V or 120/240V Models)
RED to Terminal Block (Red Insert
on 200V or 240V
BLK to Terminal Block
(Black Insert)
YEL to Left Front Warmer
WHI to Terminal Block (White Insert
on 120V or 120/240V Models)
RED to Terminal Block (Red Insert on
200V or 240V)
BLK to Terminal Block
(Black Insert)
WHI/VIO to Left Rear Warmer
WHI to Terminal Block (White Insert
on 120V or 120/240V Models)
RED to Terminal Block (Red Insert on
200V or 240V
BLK to Terminal Block
(Black Insert)
BRN/BLK to Right Front Warmer
WHI to Terminal Block (White Insert
on 120V or 120/240V Models)
RED to Terminal Block (Red Insert on
200V or 240V)
BLK to Terminal Block
(Black Insert)
VIO to Right Rear Warmer