Limit Thermostat - Bunn HC-2 Operating & Service Manual

SERVICE (cont.)
LEVEL CONTROL BOARD AND LEVEL PROBE (cont.)
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.
Removal and Replacement:
1. Remove all wires from the level control board.
2. Remove two #8-32 keps nuts holding level control
board to upper left rear of the front panel.
3. Remove level control board and spacers.
3. Install the new level control board and spacers to
the upper left rear of the front panel using two #8-
32 keps nuts.
4. Refer to the illustration below when reconnecting
the wires.
FIG. 18 LEVEL BOARD TERMINALS

LIMIT THERMOSTAT

FIG. 19 LIMIT THERMOSTAT
Location:
The limit thermostat is located in the center of
the tank lid.
Test Procedures:
1. Disconnect the dispenser from the power source.
2. Disconnect both black wires from the limit ther-
mostat.
3. Check for continuity across the limit thermostat
terminals.
If continuity is present as described, the limit thermo-
stat is operating properly.
If continuity is not present as described, replace the
limit thermostat.
Removal and Replacement:
1. Remove all wires from the limit thermostat ter-
minals.
2. Carefully slide the limit thermostat out from un-
der the retaining clip and remove the limit ther-
mostat.
3. Carefully slide the new limit thermostat into the
retaining clip.
4. Refer to the illustration below when reconnect-
ing the wires.
BLK to Control
Thermostat
P1210
FIG. 20 LIMIT THERMOSTAT TERMINALS
P1199.45
27
BLK to Tank
Heater
P1800
27591 061500