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The actuator motor turns counter
clock wise to rotate the cam arms
and lower the water pan away from
the evaporator. When the water plate
is completely down the switch lever
moves the actuator toggle switch to
the left. The board energizes the
inlet water valve and condenser fan
motor and de-energizes the hot gas
valve.
Switching the actuator toggle switch
to the left position also reverses the
actuator motor. The motor now turns
clock wise to raise the water plate
upward.
When the plate reaches the
evaporator, the cam arm switch lever
moves the actuator toggle switch to
the right position. This stops the
actuator motor and sets up the circuit
to lower the plate in the next harvest
cycle. It also energizes the pump
motor and the board de-energizes the
inlet water valve. The Freeze Cycle
now begins.