Operating range - Cooling
Size 18.2 - 20.2 - 25.2 - 30.2 - 35.2
General technical data
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
Twu [°C] = Leaving exchanger water temperature
Tae [°C] = External exchanger inlet air temperature
1. Normal operating range
2. Operating range where the use of ethylene glycol is mandatory in relation to
the temperature of the water at the outlet of the user side exchanger
65
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