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BUNN
MANUFACTURED BY BUNN-O-MATIC CORPORATION
SPRINGFIELD, ILLINOIS, U.S.A.
MODEL
S/N
VOLTS A.C. AMP WATTS
PHASE WIRE HERTZ
COVERED UNDE
R ONE OR MOREOF THE FOLLOWING PATENTS :
ONE OR M
ORE OTHER PATENTS MAY BE PENDING
DISCONNECT FROM POWER SOURCE
BEFORE REMOVAL OF ANY PANEL OR
REPLACEMENT OF ANY COMPONENT!
WARNING
!
CAUTION :
WARMERS
AND SURFACES ARE HOT
SERVICE (cont.)
ON/OFF SWITCH - Model CEZ-APS/TS/TSR
Location:
The ON/OFF switch is 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
wire from the upper terminal and the black wire
from the center terminal.
3. With a voltmeter, check the voltage across the
white wire and the black wire. Connect the brewer
to the power source. The indication must be 120
volts ac for two wire 120 volt models and three
wire 120/240 volt models.
4. Disconnect the brewer from the power source.
If voltage is present as described, reconnect the white
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.
P1917
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.
If continuity is not present as described, replace the
switch.
Removal and Replacement:
1. Remove the wires from the switch terminals.
2. Remove the hose connected to the faucet. Remove
the nut securing the faucet assembly to the brewer
and remove the faucet.
3. Remove the four nuts securing the end cap to the
brewer and remove the end cap.
4. Remove the switch and replace with new switch.
5. Install the front end cap and faucet assembly.
6. Refer to FIG. 6 when reconnecting the wires.
P1918
FIG. 5 ON/OFF SWITCH
FIG. 6 ON/OFF SWITCH WIRING
WHI to Terminal
Block (White Insert)
BLK to Terminal
Block (Black Insert)
WHI/RED to Control
Board (J1-8)
29253 091603