WFGN, la pompa di calore per installazione interna

WFGN is the range of indoor heat pumps using R1234ze refrigerant, designed for producing chilled or heated water. It is engineered to meet the air conditioning requirements of residential/commercial complexes and the refrigeration needs of industrial facilities. Compact and flexible, it adapts to varying load conditions thanks to precise thermostatic control.

It is available in two versions: Standard (°) and High Efficiency (A).

WFGN can produce chilled water down to 16 °C on the evaporator side. It is also suitable for heat pump applications, with condenser water temperatures of up to 55 °C depending on the model. The unit with the optional electronic thermostat valve Z can also produce chilled water at negative temperatures, from −8 °C to 10 °C.

WFGN is designed with 2–3 refrigerant circuits to ensure maximum efficiency even at partial loads and to guarantee continuous operation in case one circuit stops functioning. All units are equipped with screw compressors and tube-bundle heat exchangers on both the plant and source sides, specifically designed for the new HFO R1234ze refrigerant. The refrigerant R515B is also available as an option, with performance remaining consistent regardless of the refrigerant chosen.

It features microprocessor control, complete with a keypad and LCD display that allows easy monitoring and adjustments through a multilingual menu. The control system includes comprehensive alarm management along with historical data logging.