The Unical HP OWER ONE 70RK is an air-to-water heat pump designed for efficient space heating and domestic hot water production.

This system boasts an energy class A+++ rating with a COP up to 4.85 and EER up to 5.40. It utilizes R32 refrigerant and is powered by a DC INVERTER twin rotary compressor, brushless DC INVERTER fan motors, and high-efficiency brushless motor INVERTER circulation pumps. The unit operates at temperatures as low as -20°C and can reach a maximum circulation temperature of 60°C.

The build features a patented stainless steel plate water-gas heat exchanger for R32 and air-gas heat exchangers made of copper tubes with aluminum plating and anti-corrosive protection. It includes a pre-assembled hydronic kit equipped with a 6 bar safety valve, air bleed valve, INVERTER circulation pump, and circulation flow switch.

Designed for space heating and hot water production when paired with external dedicated storage, the unit is managed by an integrated digital regulator. Optional controls include a touch screen remote, 0-10 Volt external control unit, or external ON/OFF chronothermostat. The system also features automatic defrost, compressor crankcase preheating for low temperatures, auto-restart, and self-diagnosis.