A DC-inverter air-to-water heat pump for hydronic heating projects requiring 22 kW rated capacity, with single-phase and three-phase supply options to suit the project electrical design.
Single phase · maximum current220 V · 1Ph · 50 Hz28.5 AThree phase · maximum current380–415 V · 3N · 50 Hz11.0 A
Rated power input
4.1 kW
Maximum power input
6.0 kW
Refrigerant and charge
R410A · 3500 g
Maximum working pressure
4.2 / 2.8 MPa
High / suction side
Protection class
Class I · IPX4
Ambient range
−10 to 43°C
Sound pressure
≤ 58 dB(A) @ 1 m
Compressor type
Twin-rotary DC inverter
Fan
DC motor · horizontal discharge
Net weight
90 / 108 kg
Single / three phase
System integration
Designed for hydronic system integration
SK22 works within a project-designed water circuit and can be coordinated with underfloor-heating circuits, fan-coil units and the appropriate hydraulic components. Final flow, pumping, protection and component sizing depend on the building load and operating conditions.
HYDRONIC SYSTEM · APPLICATION
R410A SK22 / SK30 · DIMENSIONS
Site planning
Dimensions and site planning
1140 × 470 × 970 mm
The SK22 enclosure measures 1140 mm wide, 470 mm deep and 970 mm high. The selected location must preserve airflow and safe access for inspection and service.
Control and support
Clearer everyday control
SK22 provides an LCD interface for operating mode, water-temperature and schedule settings, together with Wi-Fi connection through the Smart Life app. Available functions depend on the fitted controller and unit configuration.
LCD control interface
Time and schedule settings
Wi-Fi through Smart Life
Related model
GOLD SK30 30 kW air-to-water heat pump
A DC-inverter air-to-water heat pump for higher-load projects, with 30 kW rated capacity and a three-phase electrical supply.
