Service manual

Section 5 Water System Ice Making Sequence of Operation
Part No. 80-1206-3 5-3
Q1400C/SU1000C
INITIAL START-UP OR START-UP AFTER
AUTOMATIC SHUT-OFF
1. Before the ice machine starts, the water pump and
water dump solenoid are energized for 45 seconds
to purge old water from the water trough. This
ensures that the ice-making cycle starts with fresh
water.
FREEZE CYCLE
2. To pre-chill the evaporator, there is no water flow
over the evaporator for the first 30 seconds of the
freeze cycle.
3. The water pump starts after the 30-second pre-chill.
An even flow of water is directed across the
evaporator and into each cube cell.
Water Flow Over the Evaporator
SV1456
TO DRAIN
WATER DUMP VALVE
TO DISTRIBUTION TUBE
WATER PUMP