| Product code |
Airobot-V8-HRV-B | Flexit Nordic S4 | 522_840 | FTXA35BS + RXA35A9 |
| Energy efficiency class |
A+ | A | | A+++ |
| Color |
Black | | | silver |
| Power supply voltage |
220-240/1/50 V/Ph/Hz | 230 V/Ph/Hz | 230/1/50 V/Ph/Hz | 220-240/1/50 V/Ph/Hz |
| Protection circuit breaker |
10 A | 10 A | C20 A | 13 A |
| Maximum air flow rate (100Pa) |
208 l/s or 750 m3/h | 130 l/s or 468 m3/h | | |
| Approximate size of ventilated surface |
350 m² | 240 m² | | |
| Air duct connection |
Ø 200 mm | Ø 160 mm | | |
| Filters |
ePM1 55% (F7) | 2 pieces ePM1 55% (F7) | | |
| Nominal power, fans |
2 x 170 W | 2 x 115 W | | |
| Dimensions (width x height x depth) |
886 x 1021 x 589 mm | 753 x 727 x 610 mm | | |
| Returns moisture |
No | Yes | | |
| Control via phone application |
Yes | Yes | | |
| Product type |
| Ventilation unit | Air-to-water heat pump | Air conditioner |
| Maximum power of the electric heater |
| 800 W | | |
| Type of heat exchanger |
| Rotor | | |
| Required control panel |
| No | | |
| Required condensate drainage connection |
| No | | |
| Eurovent certificate (ensures data reliability) |
| Yes | | |
| Heating capacity Outdoor air +35°C/ 7°C |
| | 7.50 kW | |
| Energy efficiency class (35°/55°) |
| | A+ | |
| SCOP |
| | 3,97/3,02 | 5.15 |
| Warranty |
| | 5 years | 2 years |
| Estonian language menu |
| | No | Yes |
| Wi-Fi smart remote control |
| | No | Yes |
| Operating limit (Heating) |
| | -25 °C | -15 ~ 24* °C |
| Refrigerant |
| | R410A | R32 |
| Pipe size (Liquid/Gas) |
| | 6,35/15,88 mm | 6.35/9.5 mm |
| Maximum pipe length |
| | 30 m | 20 m |
| Active cooling option |
| | Yes | |
| COP |
| | 4.08 | |
| Control and monitoring via the Internet |
| | No | |
| Domestic hot water boiler capacity |
| | 120 l | |
| Maximum heating water temperature |
| | 80 °C | |
| Heating capacity (Min./Nom./Max.) |
| | | 1.4/4.0/5.2 kW |
| Cooling capacity (Min./Nom./Max.) |
| | | 1.4/3.4/4.0 kW |
| Operating limit (Cooling) |
| | | -10 ~ 46 °C |
| Maximum height difference |
| | | 15 m |
| Nominal heating capacity |
| | | 4.0 kW |
| Nominal cooling capacity |
| | | 3.4 kW |
| Without exterior unit |
| | | No |
| Indoor unit weight |
| | 135/278 kg | 11.5 kg |
| Indoor unit dimensions (width x height x depth) |
| | 1800x598x647 mm | 295x798x189 mm |
| Indoor unit noise level |
| | 39 dB(A) | 19/25/41 dB(A) |
| Outdoor unit weight |
| | 42 kg | 32 kg |
| Outdoor unit dimensions (width x height x depth) |
| | 790x620x320 mm | 550x840x350 mm |
| Outdoor noise level |
| | 47 dB(A) | 49 dB(A) |