SERVICE (cont.)
TANK HEATER SWITCH (cont.)
Test Procedure:
1.Disconnect the dispenser from the power source.
2.Disconnect the black wire and the blue/black wire on electro/mechanical thermostats or the tan wires on electronic thermostats.
3.With the switch in the “ON” lower position check for continuity between the center and the upper terminal. With the switch in the “OFF” upper posi- tion no continuity should be present between center and upper terminals.
If continuity is present as described, the heater “ON/ OFF” switch is operating properly.
If continuity is not present as described, replace the switch.
Removal and Replacement:
1.Remove the switch mounting nut on the front of the front panel.
2.Remove switch with wires attached from the rear of the front panel.
3.Remove the wires from the switch terminals and discard switch.
4.Connect the wires to the new switch, refer to fig. 32.
5.Push new switch through hole in the front panel and secure with face nut.
BLUBLK from Electro/ mechanical Thermostat or TAN from Electronic Thermostat
BLK from Terminal Block (Electro/mechani- cal)
TAN from Electronic Thermostat
P1219
FIG. 32 TANK HEATER SWITCH TERMINALS
TRANSFORMER (240V TWO WIRE MODELS ONLY) | |
FIG. 33 TRANSFORMER | P1289 |
| |
Location:
The transformer is located behind the front cover just to the right of the ballest on the dispenser base.
Test Procedure:
1.Disconnect the dispenser from the power source.
2.Disconnect the two pin connector of the trans- former from the fan.
3.Connect voltmeter, set to read at least 120 volts ac across the black and white leads of the trans- former connector.
4.Connect the dispenser to the power source. The voltage indication should be approximately 120 volts ac.
5.Disconnect the dispenser from the power source.
If voltage is present as described the transformer is operating properly.
If voltage is not present as described, replace the transformer.
35 | 27591 031597 |
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