Bunn HC-3 service manual Level Board Terminals, Limit Thermostat

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.

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	BLK to Tank
Thermostat	Heater

FIG. 18 LEVEL BOARD TERMINALS

LIMIT THERMOSTAT

P1210

FIG. 19 LIMIT THERMOSTAT	P1199.45
	27

P1800

FIG. 20 LIMIT THERMOSTAT TERMINALS

27591 061500