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TANK HEATERS
Location:
The tank heaters are located inside the tank and
secured to the tank lid.
Test Procedures:
1. Disconnect the brewer from the power supply.
2. With a voltmeter, check the tank heater voltage
across blue and white wires on 120 volt 15 amp
version, black and white wires on 120 volt 20 amp
version or black and blue wires on 120/208 volt or
120/240 volt version at the tank heater terminal
block. Connect the brewer to the power source.
The indication must be:
a) 120 volts ac for two wire 120 volt 15 and 20 amp
models.
b) 208 volts ac for three wire 120/208 volt models.
c) 240 volts ac for three wire 120/240 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
Wiring Diagrams
and check wiring harness.
4. Disconnect the black, blue and white leads from
the terminals of each tank heater.
5. Check for continuity across the terminals of each
tank heater.
SERVICE (cont.)
FIG. 13 TANK HEATERS