Manitowoc I0320

82 Part Number STH038 5/12
Single Evaporator Models
Energized Parts Chart
Ice Making
Sequence of
Operation
Water
Pump
Harvest
Valve(s)
Air
Pump(s)*
Water
Inlet
Valve
Water
Dump
Valve
Contactor
Coil
Compressor
Condenser
Fan Motor
Length
of Time
Start-Up
1. Water Purge
On Off
Off
Off On Off Off Off
45 Seconds
2. Refrigeration
System Start-up
Off On On Off Off Off Off Off
5 Seconds
Off On On Off Off On On On
5 Seconds
Freeze Sequence
3. Prechill
Off Off Off
May
Cycle
On/Off
during
pre-chill
Off On On
May Cycle
On/Off
Initial Start-Up is
120 Seconds
90 Seconds thereafter
4. Freeze
On Off Off
Cycles
Off then
On two
more
times
Off On On
May Cycle
On/Off
Until Ice Contact
w/Ice Thickness Probe