Operation Polycold Cryochiller
Local Controls and Indicators Installation and Operation Manual
Brooks Automation
6-4
214072 Revision B
Cool Places associated refrigeration circuit in Cool Mode
Green LED flashing
• when cold cycle is running
Green LED on solid
• when unit is in Cool mode
Standby Places associated refrigeration circuit in Standby Mode
Green LED on solid
• when in Standby mode
• when defrost is complete
Heat Places associated refrigeration circuit in Heat (Defrost) Mode
Green LED flashing
• when defrosting
Green LED on solid
• when defrost is complete
Remote Toggles the system between Remote and Local mode.
Green LED on solid when system is in Remote mode
Green LED off when system is in Local mode
Reset Resets faults
OK Green LED on solid
• when the compressor contactor is on and contacts are
closed.
Faults - General (!)
Faults - Pressure (P)
Amber General LED on solid
• when a general fault has occurred See HMI message
Red Pressure LED on solid
• when high pressure fault has occurred See HMI message
Table 6-1: Polycold Cryochiller Key Descriptions
Switch or Indicator Function
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