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34
P1199.35
SERVICE (cont.)
TANK HEATER (cont.)
5. Check for continuity across the tank heater termi-
nals.
If continuity is present as described, reconnect the
wires, the tank heater is operating properly.
If continuity is not present as described, replace the
tank heater.
NOTE - If the tank heater remains unable to heat,
remove and inspect heater for cracks in the sheath.
Removal and Replacement:
1. Shut-off water supply to the dispenser.
2. Disconnect the water supply tube on the tank lid.
3. Disconnect the black wires on the limit thermo-
stat.
4. Disconnect the black wire and the white or red wire
from the tank heater terminals.
5. Disconnect the pink wire from the liquid level
probe.
6. Remove the thermostat capillary bulb by firmly
pulling-up on the capillary at the tank lid. This will
disengage the grommet from the tank lid.
7. Remove the ten #8-32 nuts securing the tank lid to
the tank.
8. Remove tank lid with limit thermostat, liquid level
probe and tank heater as a assembly.
9. Remove the two hex nuts securing the tank heater
to the tank lid. Remove tank heater with gaskets
and discard.
10. Install new tank heater with gaskets on the tank lid
and secure with two hex nuts.
11. Install tank lid with limit thermostat, liquid level
probe and tank heater on the tank and secure with
ten #8-32 hex nuts.
12. Connect water inlet line to the tank lid.
13. Reconnect the black wires to limit thermostat, the
pink wire to the liquid level probe. Refer to the limit
thermostat and the liquid level board and probe
sections in this manual when reconnecting wires.
14. Refer to Fig. 30 when reconnecting the wires to the
tank heater.
FIG. 30 TANK HEATER TERMINALS
P1218
TANK HEATER SWITCH
FIG. 31 TANK HEATER SWITCH
Location:
The tank heater switch located inside the dis-
penser on the upper right of the front panel.
BLK to Limit
Thermostat
WHI or RED to
Terminal Block
27591 031597