Page 30
FIG. 25 RECTIFIER TERMINALS
P1381
+
A
C
A
C
SERVICE (cont.)
RECTIFIER
FIG. 24 RECTIFIER
Location:
The rectifier is located inside the base housing on
the left side of the base plate just to the left of the
transformer.
Test Procedures:
1. Disconnect the brewer from the power source;
2. Remove the red wire and the black wire from the
rectifier.
3. Check the voltage across the (+) and (-) terminals
on the rectifier with a voltmeter. Connect the
brewer to the power source. The indication must
be 24 volts dc.
4. Disconnect the brewer from the power source.
If voltage is present as described, the rectifier is
operating properly.
If voltage is not present as described, refer to the
brewer wiring diagrams and check the brewer wiring
harness.
TL5
TL4
TL3
TL2
TL1
J2
J1
SE
T
L
OC
K
LOCK
SET
1
2
3
4
5
6
1 2 3 4 5 6
BUNN
90 psig max operating pressure
Strainer/Flow Control # 22300.033 0
(Repl. Flow Washer #20526.0330)
(Repl. Screen #23721.0000)
.500 gpm FLOW
P2230
RED to Server Connector
BLU/BLK to Transformer #7
BLU/BLK to Circuit Breaker
BLK to Server Connector
28230 092200
Removal and Replacement:
1
Disconnect the wires from the rectifier.
2. Remove the #6-32 truss head screw securing the
rectifier to the brew base plate.
3. Remove the rectifier and discard.
4. Install new rectifier on base plate and secure with
a #6-32 truss head screw.
5. Refer to Fig 25 and reconnect the wires.