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Page 27
SERVICE (cont.)
WARMER ELEMENTS (Not used on APS Models)
Location:
The warmer elements are located under the warmer
plates.
Test Procedures:
1. Disconnect the brewer from the power source.
2. With a voltmeter, check voltage across the white or
red wire from the terminal block and the wire from
the "ON/OFF" switch to the warmer element with
the "ON/OFF" switch in the "ON" position. The
indication must be:
a) 120 volts ac for three wire 120/240 volt models.
b) 200 volts ac for two wire 200 volt models.
c) 240 volts ac for two wire 240 volt models.
d) 230 volts ac for three wire three phase 230 volt
models.
3. Disconnect the brewer from the power source.
If voltage is present as described, proceed to #4.
If voltage is not present as described, refer to
Wiring
Diagrams
and check brewer wiring harness.
4. Check the continuity across the two terminals on
the warmer element.
If continuity is present as described, reconnect the
wires on the warmer element.
If continuity is not present as described, replace the
warmer element.
Removal and Replacement:
1. Remove the three #4-40 screws securing the
warmer assembly to the brewer.
2. Lift the warmer assembly from the brewer.
3. Disconnect the two wires from the warmer ele-
ment terminals.
4. Remove the two #8-32 nuts securing the warmer
element to the warmer plate.
5. Securely install new warmer element.
6. Reconnect the two wires to warmer element termi-
nals.
7. Securely install warmer assembly on the brewer.
8. Refer to Fig. 24 when reconnecting the wires.
FIG. 23 WARMER ELEMENTS
P1232
FIG. 24 WARMER ELEMENT TERMINALS
P1240
10737 100801
WHI/RED to ON/OFF Switch (Left Lower Warmer 0/2,
2/2 & 4/2 or Left Brew Warmer 0/6
WHI/GRN to ON/OFF Switch (Right Lower Warmer
0/2, 2/2 & 4/2 or Right Brew Warmer 0/6)
YEL to ON/OFF Switch (Left Top Warmer 2/2 or Left
Top Front Warmer 4/2 or Left Front Warmer 0/6 or
BRN/BLK to ON/OFF Switch Left Front Warmer 0/6
with Two-Circuits)
WHI/YEL to ON/OFF Switch (Right Top Warmer 2/2
or Right Top Front Warmer 4/2 or BRN/BLK to ON/
OFF Switch Right Front Warmer 0/6)
WHI/VIO to ON/OFF Switch (Left Top Rear Warmer
4/2 or Left Rear Warmer 0/6 or VIO to ON/OFF
Switch - Left Rear 0/6 with Two-Circuits)
WHI/BRN to ON/OFF Switch (Right Top Rear Warmer
4/2 or
VIO to ON/OFF Switch - Right Rear Warmer 0/6)
WHI to Terminal Block (120/240V Brewers)
RED to Terminal Block (200V, 240V or 240V
Brewers)