Operating range
Twu [°C] = Leaving exchanger water temperature
Tae [°C] = External exchanger inlet air temperature
1. Normal operating range.
Low water temperature function:
2. Operating range where the use of ethylene glycol is mandatory in a percentage
above to 10%
3. Operating range where the use of ethylene glycol is mandatory in a percentage
above to 20%
4. Operating range where the use of ethylene glycol is mandatory in a percentage
above to 30%
Cooling - Size 16.2 - 20.2 - 24.2 - 30.2 - 35.2 - 40.2
Overload and control device calibrations
Open Close Value
Refrigerant side
High pressure safety switch kPa 4200 3200 -
Low pressure safety switch kPa 50 130 -
Low pressure safety valve kPa - - 3000
Compressor discharge high temperature safety thermostat °C 115 75 -
Water side
Antifreeze protection °C 4 20 -
High pressure safety valve kPa - - 600*
* The value entered refers to units supplied with a hydronic group installed on board.
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