Scotsman EH222 D with ECC Condensing Unit - Manuel (Page 18)

EH222 D and Condensing Unit
Remote Low Side Cuber User Manual
October 2014
Page 18
Reference for Start Up: Controller Operation
The controller has four indicator lights, a code display,
four push buttons, and eleven component indicator
lights.
Indicator Lights
• Power - on when there is power to the controller
• Status - on in ice making mode
• Water - on and blinking when there is no water
• De-scale & Sanitize - on when it is time to clean
the machine
Code Display
• Displays status and diagnostic codes
Push Buttons
• On
• Off
• Manual Harvest
• Clean
Component indicator lights
• Fan - not used on this model
• Water Pump - on when the pump is
• Purge Valve - on when the purge valve is
• Water Solenoid - on when the inlet water solenoid
valve is
• Hot Gas - on when the vapor inlet valve and
harvest assist solenoid have power
• Compressor - on when the compressor contactor
is energized
• Ready to Harvest - on when the ice thickness
sensor has water touching it
• Sump Empty - on when there is no water touching
the mid-length probe
• Sump Full - on when water is touching the
shortest probe
• SW2 - on when the curtain is open
• SW1 - on when the curtain is open
Cycle Definitions:
Freeze: The refrigeration system is operating to
remove heat from the evaporators. The compressor,
fan motor, and water pump are on.
Harvest: The refrigeration system and water system
are operating to harvest the ice and rinse the
reservoir. The compressor is on for the full cycle, the
pump is on until the purge valve closes.
The inlet water valve opens and refills the reservoir.
The vapor and condenser by-pass valves are open
during the entire harvest cycle, as is the harvest assist
mechanism.