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Component Description
Water Pump
The water pump operates continually throughout
the freezing cycle. The pump forces the water from
the sump to the spray system and through the
spray nozzles so it sprays into the inverted cup
molds to be frozen into crystal clear ice cubes.
Water Inlet Solenoid Valve
The water inlet solenoid valve is energized only
during the defrost cycle. When energized it allows
a metered amount of incoming water to flow over
the evaporator cavity to assist the hot gas in
defrosting the ice cubes.
The water running over the evaporator cavity drops
by gravity, through the weep holes of the platen,
into the sump.
Hot Gas Solenoid Valve
The hot gas solenoid valve consists basically in
two parts: the valve body and the valve coil.
Located on the hot gas line, this valve is energized
by the contacts 3-2 of the evaporator thermostat
during the defrost cycle.
During the defrost cycle the hot gas valve coil is
activated so to attract the hot gas valve piston in
order to give way to the hot gas discharged from
compressor to flow directly into the evaporator
serpentine to defrost the formed ice cubes.
Bin Thermostat
The bin thermostat control body is located in the
front of control box behind the front louvered panel.
The thermostat sensing tube is located into a bulb
holder on the side wall of the ice storage bin where
it automatically shuts the ice machine OFF when in
contact with the ice and re-starts the ice machine
when the ice is removed. Factory settings are 1
o
C
(35
o
F) OUT and 4
o
C (39
o
F) IN.
Cube Size Control (Evaporator Thermostat)
The cube size control (evaporator thermostat)
body is located in the front of control box behind
the front louvered panel; it’s basically a reverse
acting temperature control which closes contacts
3-2 when its temperature decreases and closes
the opposite contacts 3-4 when the temperature
rises.
ICEU070A
Page 8
Water Circuit, Freeze Cycle
Water Circuit, Harvest Cycle