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Holly HawkinsSep 13, 2025
What to do if McQuay Chiller indicates sensor is missing?
- TTyler ParkerSep 13, 2025
If the McQuay Chiller indicates a sensor is missing, switch off the unit and plug in the sensor.
What to do if McQuay Chiller indicates sensor is missing?
If the McQuay Chiller indicates a sensor is missing, switch off the unit and plug in the sensor.
Explains the dual refrigerant circuits for part loading capabilities and efficiency.
Lists safety features like pressure switches, overload protectors, and anti-freeze sensors.
Only qualified technicians are authorized for installation and service.
Overview of the controller's purpose, features, and display.
Describes the 5-way wire for communication and power between panels and chillers.
Details network support for up to 50 units and unique address assignment.
Step-by-step guide for physically mounting the control panel.
The panel controls and displays chiller status.
Displays ON/OFF status, mode, temperatures, compressor, and model info.
Provides access to Operating, Setting, Timer, Alarm, and Display menus.
Allows control of unit status, mode, and temperature settings.
Access point for advanced parameters, password, panel options, and unit ID.
Allows configuration of General, Sensor, Regulator, Compressor, Defrost, Antifreeze, and Alarm settings.
Manages clock, date, and 7-day programmable timer schedules.
Records and displays fault/alarm history, with option to erase.
Guides on controlling chiller status, display, ON/OFF, mode, and temperature settings.
Details configuration of General, Sensor, Regulator, Compressor, Defrost, Antifreeze, and Alarm parameters.
Procedure for changing the controller's security password for protected areas.
Accessing and managing the chiller's fault and alarm history.
Procedure to reset controller settings to factory defaults using a jumper.
Addresses power supply, fuse, contactor, and compressor faults.
Diagnoses thermostat, coil, airflow, refrigerant, and water flow problems.
Essential safety guidelines to follow before unit installation.
General
