Bunn C - Manual (Page 16)

Page 16
SERVICE (cont.)
TANK HEATER
Location:
The tank heater is located inside the tank and
secured to the tank lid.
Test Procedures:
1. Disconnect the brewer from the power supply.
2. Check the voltage across the black and white wires
on 120 volt models or the black and red wires for
120/240 volt models, 200 volt models and 240
volt models with a voltmeter. Connect the brewer
to the power source. The indication must be:
a) 120 volts ac for two wire 120 volt 20 amp
models .
b) 240 volts ac for three wire 120/240 volt mod-
els.
c) 200 to 240 volts ac for two wire 200 or 240 volt
models.
3. Disconnect the brewer from the power source.
If voltage is present as described, proceed to #4
If voltage is not present as described, refer to the Wir-
ing Diagrams and check wiring harness.
4. Disconnect the wires from the tank heater termi-
nals.
5. Check resistance value across tank heater terminals
and compare to chart.
FIG. 16-2 TANK HEATER
FILL BASIN
FIG. 16-1 TANK HEATER
Disassembly:
1. Use of the basin wrench 01060.0000 is recom-
mended for removal of the fill basin.
2. Disconnect from power source and turn off the
water supply to the brewer.
3. Remove top cover.
4. Use the basin wrench (as shown above) turning
counterclockwise to remove inlet fitting.
5. Lift basin off of the tank inlet.
6. Use new inlet gasket when reinstalling.
41711.1 052009