Bunn System III Coffeemaker User Manual


 
Page 27
Location:
The limit thermostat is located inside the hood on
the tank lid to the left of the tank heater.
Test Procedure:
1. Disconnect the brewer from the power supply.
2. Disconnect both black wires from the limit ther-
mostat.
3. With an ohmmeter, check for continuity across the
limit thermostat terminals.
If continuity is present as described, reconnect the
black wires to the limit thermostat , the limit thermo-
stat is operating properly.
If continuity is not present as described, press the
reset button on the limit thermostat and repeat step
#3.
After repeating step #3 and no continuity is shown,
replace the limit thermostat.
SERVICE (cont.)
LIMIT THERMOSTAT
B
U
N
N
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C
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R
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2
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1
T
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2
T
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3
T
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4
T
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5
J
1
P2231.35
Removal and Replacement
1. Remove all wires from the limit thermostat termi-
nals.
2. Carefully remove the two #8-32 nuts securing the
limit thermostat to tank lid and remove limit ther-
mostat.
3. Carefully secure new limit thermostat to tank lid.
4. Refer to Fig. 18 when reconnecting the wires.
P833
FIG. 17 LIMIT THERMOSTAT
BLK to Tank Heater
BLK to Terminal Block
(Black Insert)
FIG. 18 LIMIT THERMOSTAT TERMINALS
27362 092900