NS_H is a single-circuit or dual-circuit heat pump charged with R134a gas. It has axial fans to ensure the quietest possible machine operation, twin-screw compressors, a shell and tube exchanger, finned pack copper/aluminium coils and an electronic expansion valve (fitted as standard). The unit with two refrigerant circuits is designed to provide the maximum yield when fully charged, but also guaranteeing excellent efficiency even with partial charging and ensuring continuity if one of the two circuits stops operating. In addition, NSH can also produce domestic hot water if it is fitted with a desuperheater or total recovery system, so it’s ideal for residential and commercial contexts. There are 3 versions – standard, low noise and high efficiency.
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