HWF is a heat pump with reversible water side that works with R134a refrigerant. It’s dual-circuit unit for indoor installation, with independent control of the individual circuits. Optimized for high condensation temperatures, it’s ideal for devices that work in heating mode too. Fitted with high-efficiency twin screw compressors with continuous modulation (12.5% - 100% for each compressor), an electronic thermostatic valve as standard, and tube bundle heat exchangers (system side and source side) optimized for R134a gas. Free hot water can also be produced in units with a desuperheater or total recovery system. The “Always Working” function ensures continuous machine operation, even in critical conditions: the machine is able to self-adjust, so it never stops. Available in standard and high-efficiency versions.
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