High chiller range with twin-screw compressors and plate type exchangers. The commutation between chiller and heat pump operation is obtained using a reversing valve in the refrigeration system.

Available in 10 sizes (4 sizes single compressor and 6 sizes dual compressor)
Manufactured with refrigerant R134a
Versions for cooling only - heat pump with refrigerant reversing valve
Partial heat recovery option
Standard Version (°):
- leaving water temperature up to 55 °C in heat pump mode
Version X:
- leaving liquid temperature down to -6 °C
Version L:
- low noise
High efficiency, low noise screw compressors with modulating capacity control from 40 to 100% with standard thermostatic expansion valve. (25 to 100% with electronic expansion valve option)
Compressor discharge and liquid line isolating valves
Current transformer as standard for each compressor
Dual refrigerant circuit plate heat exchanger optimised for R134a on dual compressor units
Modulating capacity control microprocessor system
Independent control for individual circuits
Electrical panel with all cables numbered
Modulating capacity control with dynamic display of refrigeration capacity
“Always Working” function. In the case of critical conditions the unit will not stop but automatically adjusts operation
Automatic set point compensation using analogue inputs 4-20 mA or 0–10 V or an external air sensor
Auto-adaptive differential to ensure correct compressor operating timers
PDC (Pull Down Control) system which prevents capacity loading when the water temperature quickly approaches the set point
DL (Demand Limit) system permits current limiting of the unit during times of insufficient electrical power (load peaks or gener- ator operation)
Compact dimensions
Multilingual display panel
Metal control panel with anti-corrosion polyester paint

WSH Water Cooled Chiller

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