Opis Air-water chiller for external installation with screw inverter compressor and free-cooling function. Suitable for high-use air conditioning in residential and commercial buildings and in industrial applications.
NSMI_F is a single or dual circuit water chiller loaded with R134a gas, axial fans, one or two twin-screw compressors, one of which has an inverter, a shell and tube exchanger, electronic valve and "V block" microchannel coils: The chiller is also equipped with supplementary coils for the free cooling of water in the winter, with the free-cooling mode automatically activated by the machine's processor in low outside temperatures, and operation in integration of with the cooling circuit if necessary. This way, it is possible to turn off or limit the use of the compressors, obtaining almost free cooled water. It is available with free cooling and free cooling plus at reduced pressure drops, in high efficiency version and high efficiency silenced version; some available options include a desuperheater, for the recovery of part of the resulting heat during the operation of the cooling circuit, inverter fans, single or twin pumping units, and any special treatments or operations of external coils for use in aggressive environments.