- Models: 610M (2.5–10 kW), 614M (2.5–14 kW), 622M (4.5–22 kW)
- Compressor: inverter-controlled scroll compressor
- Energy efficiency: SCOP up to 6.19 (A+++), environmentally friendly refrigerant R407C
- Advantages:
- Large heating heat exchanger for the outdoor unit: less condensation, less defrosting and less energy lost in the process
- Very quiet operation: sound pressure only up to 31 dB(A) at a distance of 5 m
- Domestic hot water production of more than 300 litres in combination with CTC EcoZenith i360 or with a separate boiler
- Compatible with EnergyFlex: possibility to connect solar collectors, wood-fired boilers or pool heating


