| Product code |
Flexit Nordic S2 | Flexit Nordic CL4 | 526_153 | FTXF20E + RXF20E | Flexit Nordic CL3 |
| Product type |
Ventilation unit | Ventilation unit | Air-to-water heat pump | Air conditioner | Ventilation unit |
| Energy efficiency class |
A | A | | A++/A+ | A |
| Power supply voltage |
230 V/Ph/Hz | 230 V/Ph/Hz | 230/1/50 V/Ph/Hz | 1/50/220-240 V/Ph/Hz | 230 V/Ph/Hz |
| Protection circuit breaker |
10 A | 10 A | C20 A | 16 A | 10 A |
| Maximum air flow rate (100Pa) |
90 l/s or 324 m3/h | 112 l/s or 406 m3/h | | | 91 l/s or 328 m3/h |
| Approximate size of ventilated surface |
100 m² | 200 m² | | | 140 m² |
| Air duct connection |
Ø 125 mm | Ø 160 mm | | | Ø 160 mm |
| Filters |
2 pieces ePM1 55% (F7) | 2 pieces ePM1 55% (F7) | | | 2 pieces ePM1 55% (F7) |
| Maximum power of the electric heater |
500 W | 800 W | | | 500 W |
| Nominal power, fans |
2 x 83 W | 2 x 115 W | | | 2 x 83 W |
| Type of heat exchanger |
Rotor | Rotor | | | Rotor |
| Dimensions (width x height x depth) |
599 x 777 x 537 mm | 1160 x 700 x 296 mm | | | 1160 x 700 x 296 mm |
| Returns moisture |
Yes | Yes | | | Yes |
| Control via phone application |
Yes | Yes | | | Yes |
| Required control panel |
No | No | | | No |
| Required condensate drainage connection |
No | No | | | No |
| Eurovent certificate (ensures data reliability) |
Yes | Yes | | | Yes |
| Heating capacity Outdoor air +35°C/ 7°C |
| | 7.50 kW | | |
| Energy efficiency class (35°/55°) |
| | A+++/A++ | | |
| SCOP |
| | 4,5/3,28 | 4.11 | |
| Warranty |
| | 5 years | 2 years | |
| Estonian language menu |
| | Yes | Yes | |
| Wi-Fi smart remote control |
| | Yes | Yes | |
| Operating limit (Heating) |
| | -20 °C | -15 ~ 18* °C | |
| Refrigerant |
| | R32 | R32 | |
| Pipe size (Liquid/Gas) |
| | 6,35/12,7 mm | 6.35/9.5 mm | |
| Maximum pipe length |
| | 30 m | 20 m | |
| Active cooling option |
| | Yes | | |
| COP |
| | 4.43 | | |
| Control and monitoring via the Internet |
| | No | | |
| Electric auxiliary heating element |
| | 3+3 kW | | |
| Domestic hot water boiler capacity |
| | Separate | | |
| Auxiliary heating element power |
| | 3+3 kW | | |
| Maximum heating water temperature |
| | 55 °C | | |
| Heating capacity (Min./Nom./Max.) |
| | | 1.3/2.4/3.3 kW | |
| Cooling capacity (Min./Nom./Max.) |
| | | 1.3/2.0/2.4 kW | |
| Operating limit (Cooling) |
| | | -10 ~ 48 °C | |
| Maximum height difference |
| | | 12 m | |
| Nominal heating capacity |
| | | 2.4 kW | |
| Nominal cooling capacity |
| | | 2.0 kW | |
| Without exterior unit |
| | | No | |
| Supports multiple indoor units |
| | | No | |
| Indoor unit weight |
| | 45/61 kg | 8 kg | |
| Indoor unit dimensions (width x height x depth) |
| | 448x847x477 mm | 286x770x225 mm | |
| Indoor unit noise level |
| | 32 dB(A) | 20/25/39 dB(A) | |
| Outdoor unit weight |
| | 46 kg | 25.5 kg | |
| Outdoor unit dimensions (width x height x depth) |
| | 907x716x353 mm | 556x740x343 mm | |
| Outdoor noise level |
| | 38 dB(A) | 46 dB(A) | |
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