| Product code |
Flexit Nordic S4 | FTXF50D + RXF50D | 700_437 | Airobot-V8-ERV-B | 700_436 | Airobot-V3-HRV-B | | 526_117 | 080_480 | Flexit Nordic CL2 |
| Product type |
Ventilation unit | Air conditioner | | | | | | Air-to-water heat pump | | Ventilation unit |
| Energy efficiency class |
A | A++/A+ | | A | | A+ | | A+++ | | A |
| Power supply voltage |
230 V/Ph/Hz | 1/50/220-240 V/Ph/Hz | | 220-240/1/50 V/Ph/Hz | | 220-240/1/50 V/Ph/Hz | | 230/1/50 V/Ph/Hz | 220-240/1/50 V/Ph/Hz | 230 V/Ph/Hz |
| Protection circuit breaker |
10 A | 20 A | | 10 A | | 10 A | | 16 A | | 10 A |
| Maximum air flow rate (100Pa) |
130 l/s or 468 m3/h | | | 208 l/s or 750 m3/h | | 84 l/s or 300 m3/h | | | | 78 l/s or 281 m3/h |
| Approximate size of ventilated surface |
240 m² | | | 350 m² | | 140 m² | | | | 80 m² |
| Air duct connection |
Ø 160 mm | | | Ø 200 mm | | Ø 125 mm | | | | Ø 160 mm |
| Filters |
2 pieces ePM1 55% (F7) | | | ePM1 55% (F7) | | ePM1 55% (F7) | | | | 2 pieces ePM1 55% (F7) |
| Maximum power of the electric heater |
800 W | | | | | | | | | 350 W |
| Nominal power, fans |
2 x 115 W | | | 2 x 170 W | | 2 x 83 W | | | | 2 x 85 W |
| Type of heat exchanger |
Rotor | | | | | | | | | Rotor |
| Dimensions (width x height x depth) |
753 x 727 x 610 mm | | | 886 x 1021 x 589 mm | | 600 x 690 x 554 mm | | | | 1160 x 700 x 296 mm |
| Returns moisture |
Yes | | | Yes | | No | | | | Yes |
| Control via phone application |
Yes | | | Yes | | Yes | | | | Yes |
| Required control panel |
No | | | | | | | | | No |
| Required condensate drainage connection |
No | | | | | | | | | No |
| Eurovent certificate (ensures data reliability) |
Yes | | | | | | | | | Yes |
| Heating capacity (Min./Nom./Max.) |
| 1.7/6.0/7.7 kW | | | | | | 4.6 kW | | |
| Cooling capacity (Min./Nom./Max.) |
| 1.7/5.0/6.0 kW | | | | | | | | |
| SCOP |
| 4.06 | | | | | | 4.61 | | |
| Warranty |
| 2 years | 2 years | | 2 years | | | 2 years | 2 years | |
| Estonian language menu |
| Yes | | | | | | | | |
| Wi-Fi smart remote control |
| Yes | | | | | | | | |
| Operating limit (Cooling) |
| -10 ~ 48 °C | | | | | | | | |
| Operating limit (Heating) |
| -15 ~ 18* °C | | | | | | -20 ~ 35 °C | | |
| Refrigerant |
| R32 | | | | | | R32 | | |
| Pipe size (Liquid/Gas) |
| 6.4/12.7 mm | | | | | | | | |
| Maximum height difference |
| 20 m | | | | | | 20 m | | |
| Maximum pipe length |
| 30 m | | | | | | 15 m | | |
| Nominal heating capacity |
| 6.0 kW | | | | | | | | |
| Nominal cooling capacity |
| 5.0 kW | | | | | | | | |
| Without exterior unit |
| No | | | | | | | | |
| Supports multiple indoor units |
| No | | | | | | | | |
| Color |
| | | Black | | Black | | | | |
| Indoor unit weight |
| 13.5 kg | | | | | | 42 kg | 13.5 kg | |
| Indoor unit dimensions (width x height x depth) |
| 295x990x263 mm | | | | | | 450x923x275 mm | 635×678×178 mm | |
| Indoor unit noise level |
| 31/34/43 dB(A) | | | | | | 42 dB(A) | | |
| Outdoor unit weight |
| 46 kg | | | | | | 39 kg | | |
| Outdoor unit dimensions (width x height x depth) |
| 734x870x373 mm | | | | | | 886x632x325 mm | | |
| Outdoor noise level |
| 47 dB(A) | | | | | | 35 dB(A) | | |
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