Modell Ventilgröße
211/452 3/4 inch
311/612/862 1 inch
Modell Ventilgröße Schließdruck [bar]
211/452 3/4 inch 10
311/612/862 1 inch 6.5
72
9.5 Waterside connection
9.5.1 3-way-cooling water control valve
The 3-way cooling water control valve is controlled by the InRoom relating to the condenser pressure by
means of a pressure sensor at the refrigerant side. This valve controls the distribution of the water fl ow
through the condenser and the bypass.
9.5.2 2-way-cooling water control valve
The 2-way cooling water control valve is controlled by the InRoom relating to the condenser pressure by
means of a pressure sensor at the refrigerant side. This valve controls the water fl ow through the conden-
ser. In the table below, the admissible maximum differential pressures are listed per valve size. Up to these
pressures the valve is kept closed safely. (Closing pressure).
The admissible maximum differential pressure, at which the valve can control the water fl ow throughout the
whole range, is 2 bar for all valve sizes.
condenser
condenser
Type Valve size
Type Valve size Closing pressure [bar]
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