Bunn System III Operating & Service Manual page 26

Bunn coffeemaker operating & service manual
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SERVICE (cont.)
LEVEL CONTROL BOARD AND LEVEL PROBE (Electro/
mechanical only)(cont.)
b.) 200 to 240 volts ac for two wire 200 or 240 volt
models after a delay of approximately 1 second.
17. Disconnect the brewer from the power source.
If voltage is present as described, reinstall the probe,
the level control board and level probe are operating
properly.
If voltage is not present as described, check the pink
probe wire for continuity. If no continuity is present,
replace or repair pink wire.
Removal and Replacement:
1. Remove all wires from the level control board.
2. Remove two #8-32 screws and lockwashers hold-
ing level control board to component bracket.
3. Install the new level control board to the compo-
nent bracket. Make certain that the lockwashers
are between the level control board and the com-
ponent bracket.
4. Refer to Fig. 16 when reconnecting the wires.
FIG. 16 LIQUID LEVEL CONTROL BOARD
T4 PNK to Probe
T3 WHI to Terminal Block (WHI
Insert on 120/208 or 120/240V
Brewers)
T3 RED to Terminal Block (RED
Insert on 200V or 240V brewers)
T2 BLU from Overflow Protection
Switch
T1 VIO to Solenoid Coil
TERMINALS
P1100
Page 26
27362 092900

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