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 1.
Bypass valve
8. Storage tank
15.
Overload protector
2.
Drain
9. Insulation
16.
3.
Water projector
10. Temperature adjusting screw 17.
Fan and Motor
4.
Push button
11. Thermostat control
18.
Suction line
5.
Dryer
11. Thermostat control
19.
Liquid line
6.
Refrigerant line
12. Electric cable
20.
Precooler and waste line
7.
Self-closing stop
14. Relay
Figure 2-32. Water dispenser (cooler).
(3) Move switch on controller to ON, to start
position switch for selecting the desired heat. The
cooling unit in operation. Adjust temperature adjusting
immersion heating element is replaceable.
screw (10) as required.
b. Operation.
(1) Fill urn with water and the correct amount of
2-29. Coffee Urn and Immersion Heater Operation
coffee.
a. General. The coffee urn is of stainless steel,
with an immersion heater of 4,000 watts, and a three
2-62
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