| Product code |
Flexit Nordic S4 | Flexit Nordic S3 | MHC-V16WD2RN7-B |
| Product type |
Ventilation unit | Ventilation unit | Air-to-water heat pump |
| Energy efficiency class |
A | A | |
| Power supply voltage |
230 V/Ph/Hz | 230 V/Ph/Hz | 380–415/3/50 V/Ph/Hz |
| Protection circuit breaker |
10 A | 10 A | 16 A |
| Maximum air flow rate (100Pa) |
130 l/s or 468 m3/h | 95 l/s or 342 m3/h | |
| Approximate size of ventilated surface |
240 m² | 150 m² | |
| Air duct connection |
Ø 160 mm | Ø 125 mm | |
| Filters |
2 pieces ePM1 55% (F7) | 2 pieces ePM1 55% (F7) | |
| Maximum power of the electric heater |
800 W | 500 W | |
| Nominal power, fans |
2 x 115 W | 2 x 83 W | |
| Type of heat exchanger |
Rotor | Rotor | |
| Dimensions (width x height x depth) |
753 x 727 x 610 mm | 599 x 777 x 537 mm | |
| Returns moisture |
Yes | Yes | |
| Control via phone application |
Yes | Yes | |
| Required control panel |
No | No | |
| Required condensate drainage connection |
No | No | |
| Eurovent certificate (ensures data reliability) |
Yes | Yes | |
| Heating capacity Outdoor air +35°C/ 7°C |
| | 16 kW |
| Energy efficiency class (35°/55°) |
| | A +++/ A++ |
| SCOP |
| | 4.72 |
| Warranty |
| | 2 years |
| Wi-Fi smart remote control |
| | Yes |
| Operating limit (Heating) |
| | -25 ~ 35 °C |
| Refrigerant |
| | R290 |
| Control and monitoring via the Internet |
| | Yes |
| Electric auxiliary heating element |
| | 9 kW |
| Domestic hot water boiler capacity |
| | Separate |
| Maximum heating water temperature |
| | 80 °C |
| Outdoor unit weight |
| | 169 kg |
| Outdoor unit dimensions (width x height x depth) |
| | 1051x1330x475 mm |
| Outdoor noise level |
| | 32 dB(A) |
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