User Manual - Page 70

For IRT1900N263E.

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70 Part Number: 000015430 Rev 02 5/20
ENERGIZED PARTS CHART SELF CONTAINED AIR OR WATER-COOLED MODELS
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
Initial Start-Up
1. Water Purge
On Off Off Off On Off Off Off
45 Seconds
2. Pressure Equalization
Off On On Off Off Off Off Off
5 Seconds
3. Compressor Startup Off On On Off Off On On Off 5 Seconds
Freeze Sequence
4. Prechill
Off Off Off
May Cycle
On/Off
Off On On
May Cycle
On/Off
Initial Start-Up
is 120 Seconds
30 Seconds
thereafter
5. Freeze
On Off Off
Cycle On/
Off
Off On On
May Cycle
On/Off
Until Ice
Contact w/
Ice Thickness
Probe
Harvest Sequence
6. Water Purge
On On On Off Off On On
May Cycle
On/Off
Factory Set at
45 Seconds
7. Harvest
Off On On Off Off On On
May Cycle
On/Off
Bin Switch
Activation
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