Tank Heater; Tank Heater Wiring - Bunn H10X Operating & Service Manual

SERVICE (cont.)

Tank Heater

Location:
The tank heater is located in the tank lid.
FIG. 11 TANK HEATER
Test Procedure:
1. Disconnect the dispenser from the power source.
2. Check the voltage across the terminals of the tank
heater with a voltmeter. Connect the dispenser to
the power source. The indication must be 200 to
240 volts ac for 200 to 240 volt models.
3. Disconnect the dispenser from the power source.
If voltage is present as described, proceed to #4.
If voltage is not present as described, replace the tank
heater.
4. Remove the tank heater from the tank lid and in-
spect it for cracks in the sheath.
If continuity is present as described, reinstall the tank
heater. The tank heater is operating properly.
If continuity is not present as described, replace the
tank heater.
Removal and Replacement:
1. Remove the wires to the tank heater.
2. Remove the 8-32 nuts from the tank heater
flange.
3. Remove the tank heater.
4. Inspect the tank heater gasket and replace if neces-
sary.
5. Securely install the new tank heater. Be certain of
P1993
a watertight seal.
6. Reconnect the wires, FIG. 12.
BLU to Triac Assy
FIG. 12 TANK HEATER WIRING
19
BLK to Limit Thermostat
P1780
10889 091599