How The Machine Makes Ice; How The Machine Uses The Water - Parts Connect IM70 User Manual

How the Machine Makes Ice

Turn the Power switch to the I/ON position. The Power indicator light will light and the machine will au-
tomatically go into the ice-making stage.
There are two distinct cycles: freeze and harvest.
During the freeze cycle, water flows to the evaporator surface. In the harvest cycle, the ice is released.
A complete cycle can take 15 to 40 minutes, depending on temperature and operating conditions.
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 machine 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.
Water Inlet
Hot Gas Valve
Condenser
Evaporator
Fan Motor
Water Line
(Grey)
Water Pump
Refrigerant Line
(Clear)
Compressor
15