Freeze: During the freeze cycle the compressor
is pumping refrigerant,
the fan motor is blowing
air, and the water pump is circulating
water. When the batch of ice has been fully formed, the ice
maker stops the freeze cycle and begins the harvest cycle.
Harvest:
During the harvest
cycle the compressor
is still operating,
but the water pump has
stopped.
The hot gas valve opens, diverting
hot refrigerant
gas into the evaporator.
The hot
refrigerant
gas warms the evaporator,
causing the cubes to slide, as a unit, off the evaporator
and
into the storage bin. The freeze cycle will restart when all the cubes have been harvested.
How the Machine Uses the Water
The ice maker begins with a fixed charge of water that is contained
in the water trough. As the
water flows to the freezing evaporator
surface, the portion of water that does not contain mineral
impurities
will freeze and stick to the ice cube molds. The water containing
impurities falls back
into the water
trough.
During
the ice-making
process,
fresh water
enters
the water
trough
continuously
as the water from the trough freezes continuously
on the evaporator.
Evaporator
Water inlet_
water pump
Hot gas valve
I
Compressor
How to adjust
the capacity
of the ice storage
bin
The ice storage
capacity
can be increased
or decreased
by moving
the adjustable
shelf to
different
positions.
(See illustrations
on next page.) You can decide the shelf's
most efficient
location according
to your usage of ice.
19