Part Number STH098 06/19 69
UDP0080 ENERGIZED PARTS CHART
ICE MAKING
SEQUENCE OF
OPERATION
Control Board Relays Relay Length of
Time1
Water Pump
2
Hot Gas Valve
3
Relay
Coil
3A
Compressor
3B
Compressor
Fan Motor*
Initial Start-up
1. Water purge
off on off off off 15 seconds
2. Refrigeration
System Start-up
off on on on on 5 seconds
Freeze Sequence
3. Prechill
off off on on on 30 seconds
4. Freeze on off on on on
Until 7 sec. Water
contact w/ice
thickness probe
Harvest
Sequence
5. Harvest
off on on on on
Bin switch
activation