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The control, functions as a precautionary device
to shut OFF electrical power to Icemaker, should
a loss of water occur to the water cooled
Condenser or a burnt out of the fan motor on air
cooled versions. The high Pressure Control is
manual reset with reset button located on the
rear side of the machine and a monitoring light
on the Front Console Panel.
9.
Water Regulating Valve
(Water Cooled Models)
The Water Regulating Valve functions maintain
a constant Compressor head pressure, by
regulating the amount of incoming water flow
through the Condenser, on water-cooled models.
The valve operate through the refrigerant system
high side pressure. Rotating the adjusting screw
located on top of the valve, can INCREASE or
DECREASE the water flow through the water-
cooled Condenser, which in turn, will DECREASE
or INREASE the Compressor operating head
pressure.
10. Water Distribution System
The Water Distribution System function to eventy
supply water to all cells of the evaporator plate.
The water pump pumps water from the sump to
the tee. From there water is channeled through
the vertical tygon tube to the water distributors,
above the evaporator plate, and from the holes
in the distributor tube water flows to the cells on
one side of the evaporator plate.
Gravity flow returns the unfrozen excess portion
of water to the sump reservoir for recirculation.
11. Water Drain Solenoid Valve
The Water Outlet Solenoid Valve functions in
conjunction with the water pump to flush-out the
sump assembly at the beginning (first 40") of
every harvest cycle. This action cleans-up and
rinses the sump during each harvest cycle pre-
venting dangerous water minerales
concentration.
12. Thermostatic Expansion Valve
The Thermostatic Expansion Valve regulates
the flow of refrigerant to the evaporator and
reduces pressure of liquid refrigerant from
condensing pressure to evaporating pressure.
13. Water pump
The water pump primes the water from the sump
to the water distributor tube and through the
distributing holes it cascades down onto the
evaporator cells by gravity so to be frozen into
clear ice cubes. The water pump remains off
during the first 30" seconds of the freezing cycle
(to avoid any cavitation problem) while it's kept
running during the first 10" of defrost/harvest
cycle to drain out (purge) the remaining water
from the sump (reach in mineral salts).
