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General| Brand | Sub-Zero |
|---|---|
| Model | CRC-2020 |
| Category | Controller |
| Language | English |
Familiarization with the cold room electrical panel's front interface and components.
Explanation of the function of each key on the control panel.
List and explanation of error codes displayed by the controller.
To set the cut-out point of the controller.
Instructions for navigating and setting other parameters.
Sets allowable high and low temperature limits for the cold room.
Sets compressor differential and probe calibration.
Configures time delays for relays and defrost cycles.
Settings for buzzer, alarm delay, and current load limits.
Enables or disables High Pressure (HP) sensing.
Configures LP sensing, fault logic, and LP sensing delay.
Sets HP fault reset, input type, and OPS input.
Sets behavior during probe failure for compressor relay.
Configures how the display shows defrost status.
Settings for light delay, password, run hours, unit ID, keypad lock, power switch, and exit.
Guidelines for installing the controller in a protected environment.
Recommendations for probe placement to ensure accurate readings.
Important safety warnings regarding electrical wiring procedures.
Instructions for cleaning and maintaining the controller's surface.
Information regarding document changes, liability, and reproduction rights.
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