Sequence Of Operation - Scotsman BC0530 Service Manual

BC0530 Service Manual

Sequence Of Operation

The following tables describe the general states and sequence of operation for the ice machine models in ice-
making mode with an additional table depicting the status when the ice bin is full and the cleaning mode. The
charts provide information about the inputs to the controller and the corresponding AC outputs associated with
each part of the ice making cycle.
Note: Abnormal operation of the ice machine is covered in the Fault Condition section of the manual.
Ice Making Sequence
Control
Bin Level Probe
Ice-Clean Switch
Contactor
Water Plate Switch
Evaporator Temperature
Probe
Water Level Control
Arms-Up/Down Switches
Ice
Compressor (Condenser
Fan)
Water Plate
Water Pump
Defrost Valve
Water Valve
Actuator Motor
Control Stream
Step 1 Step 2
Fill Freeze
Status Status
Warm/Not Full Warm/Not Full
Ice Ice
Closed Closed
Up Up
N/A Cold
Low Level/ High/Level
Rising Falling
Arms Up Arms Up
None Forming
On On
Closed Closed
On On
Closed/ Closed/
De-energized De-energized
Open/ Closed/
Energized De-energized
Off Off
Low Low to High
Step 3
Lower
Status
Warm/Not Full
Ice
Closed
Down
Cold
Low
Arms Lowering
Fully Formed
On
Opening
Off
Open/
Energized
Open/
Energized
On/CCW Rotation Off
Off
March 2020
Page 25
Step 4 Step 5
Harvest Raise
Status Status
Warm/Not Full Warm/Not Full
Ice Ice
Closed Closed
Down Down
Warming Warm
Low Low
Arms Down Arms Rising
Fully Formed None
On On
Open Closing
Off Off
Open/ Closed/
Energized De-energized
Closed/ Open/
De-energized Energized
On/CW Rotation
Off
Off