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Arranging electrical connections as per the wiring diagram for the unit.
How the controller screen displays Evaporation and Condensing Temperatures.
Procedure to access and navigate the controller's parameter menu for settings.
Steps for unit start-up and changing the refrigerant type in the controller.
Activating the 'pump-down' limit using parameter c33 to avoid low pressure alarms.
Using the Day/Night function to reduce noise by limiting fan speed at night.
Controller displays temperatures and setpoint difference; how to modify.
How to display operation conditions via parameter menu selection 'U'.
Alerts indicated by LED symbols on the controller screen for malfunctions.
How to run the unit in manual mode if the controller fails, following wiring diagrams.
Procedure to restore all factory parameters by holding buttons and turning power on.
Steps for removing and installing a new controller on the unit.
Setpoint calculated from ambient temp + offset, controlled by fan speed.
Controller optimizes heater based on ambient temp and suction pressure via PWM.
Fan speed controlled by PI-control based on actual value and setpoint.
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General