Start Up And Operation Of The Heat Pump; The Ic 121 Cx Regulator; Keypad Functions - BWT M.P.I. 100M Notice D'installation Et Conseils D'utilisation

6.

START UP AND OPERATION OF THE HEAT PUMP

Once the previous steps have been carried out correctly and filtration is running, the heat pump may be switch on.
6.1

The IC 121 CX regulator

The purpose of the regulator is to maintain the pool water temperature.
It's functions are as follows:
• Start/ stop the machine
• Maintain the pool water temperature as a function of the temperature difference (or T delta) between the
machine's inlet and outlet and the ambient temperature.
• Display the water temperature at the inlet and outlet, and the ambient temperature
• Display alarms/ indicate a defrosting cycle
6.2

Keypad functions

Key Function
Press and release:
Displays the chill set point (code SetC) or the heat set point (code SetH).
Press and hold down for 3 seconds:
Displays the chill or heat set point
Press and release in programming mode:
Allows access to parameter modification
Allows validation of new settings
Press and release:
Displays the sensor readings
Press and release in programming mode:
Scrolls through all parameters.
During modification, changes the value of a parameter.
CHAUFFAGE & DÉSHUMIDIFICATION 2020/11 - Indice de révision : I - Code : 33340
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