| Product code |
Flexit Nordic S4 | Airobot-V3-HRV-B | Airobot L5 ERV must | Airobot-V3-ERV-W | EPVX14S18A9W + EPSK12AW1 | FTXA42AW + RXA42B | FTXF20E + RXF20E | 700_437 | EPVX10S18A9W + EPSK06AV3 | 520_393 |
| Product type |
Ventilation unit | | | | Air-to-water heat pump | Air conditioner | Air conditioner | | Air-to-water heat pump | Air-to-water heat pump |
| Energy efficiency class |
A | A+ | A | A | A+++ | A++ | A++/A+ | | A+++ | |
| Power supply voltage |
230 V/Ph/Hz | 220-240/1/50 V/Ph/Hz | 220-240/1/50 V/Ph/Hz | 220-240/1/50 V/Ph/Hz | 400/3/50 V/Ph/Hz | 220-240/1/50 V/Ph/Hz | 1/50/220-240 V/Ph/Hz | | 230/1/50 V/Ph/Hz | 230/1/50 V/Ph/Hz |
| Protection circuit breaker |
10 A | 10 A | 16 A | 10 A | 16 A | 13 A | 16 A | | 20 A | 20 A |
| Maximum air flow rate (100Pa) |
130 l/s or 468 m3/h | 84 l/s or 300 m3/h | 139 l/s or 500 m3/h | 84 l/s or 300 m3/h | | | | | | |
| Approximate size of ventilated surface |
240 m² | 140 m² | 250 m² | 140 m² | | | | | | |
| Air duct connection |
Ø 160 mm | Ø 125 mm | Ø 200 mm | Ø 125 mm | | | | | | |
| Filters |
2 pieces ePM1 55% (F7) | ePM1 55% (F7) | ePM1 55% (F7) | ePM1 55% (F7) | | | | | | |
| Maximum power of the electric heater |
800 W | | | | | | | | | |
| Nominal power, fans |
2 x 115 W | 2 x 83 W | 2 x 170 W | 2 x 83 W | | | | | | |
| Type of heat exchanger |
Rotor | | | | | | | | | |
| Dimensions (width x height x depth) |
753 x 727 x 610 mm | 600 x 690 x 554 mm | 1200 x 786 x 301 mm | 600 x 690 x 554 mm | | | | | | |
| Returns moisture |
Yes | No | Yes | Yes | | | | | | |
| Control via phone application |
Yes | Yes | Yes | Yes | | | | | | |
| Required control panel |
No | | | | | | | | | |
| Required condensate drainage connection |
No | | | | | | | | | |
| Eurovent certificate (ensures data reliability) |
Yes | | | | | | | | | |
| Color |
| Black | | White | | white | | | | |
| Heating capacity Outdoor air +35°C/ 7°C |
| | | | 12,28 kW | | | | 5.73 kW | 10.08 kW |
| SCOP |
| | | | 5.14 | 4.6 | 4.11 | | 5.12 | 4.66 |
| Warranty |
| | | | 2 years | 2 years | 2 years | 2 years | 2 years | 5 years |
| Estonian language menu |
| | | | Yes | Yes | Yes | | Yes | Yes |
| Wi-Fi smart remote control |
| | | | Yes | Yes | Yes | | Yes | Yes |
| Operating limit (Heating) |
| | | | -28 ~ 43 °C | -15 ~ 18* °C | -15 ~ 18* °C | | -28 ~ 43 °C | -25 ~ 35 °C |
| Refrigerant |
| | | | R290 | R32 | R32 | | R290 | R32 |
| Pipe size (Liquid/Gas) |
| | | | 31.75 mm | 6.35/12.7 mm | 6.35/9.5 mm | | 31.75 mm | 6.35/12.7 mm |
| Domestic hot water boiler capacity |
| | | | 180 l | | | | 180 l | Separate |
| Maximum heating water temperature |
| | | | 75 °C | | | | 70 °C | 65 °C |
| Heating capacity (Min./Nom./Max.) |
| | | | | 1.7/5.4/6.0 kW | 1.3/2.4/3.3 kW | | | |
| Cooling capacity (Min./Nom./Max.) |
| | | | | 1.7/4.2/5.0 kW | 1.3/2.0/2.4 kW | | | |
| Operating limit (Cooling) |
| | | | | -10 ~ 46 °C | -10 ~ 48 °C | | | |
| Maximum height difference |
| | | | | 20 m | 12 m | | | |
| Maximum pipe length |
| | | | | 30 m | 20 m | | | |
| Nominal heating capacity |
| | | | | 5.4 kW | 2.4 kW | | | |
| Nominal cooling capacity |
| | | | | 4.2 kW | 2.0 kW | | | |
| Without exterior unit |
| | | | | No | No | | | |
| Supports multiple indoor units |
| | | | | | No | | | |
| Energy efficiency class (35°/55°) |
| | | | | | | | | A+++/A++ |
| Auxiliary heating element power |
| | | | | | | | | 6 kW |
| Outdoor unit weight |
| | | | 191 kg | 50 kg | 25.5 kg | | 174 kg | 96 kg |
| Outdoor unit dimensions (width x height x depth) |
| | | | 1330x1123x604 mm | 734x870x373 mm | 556x740x343 mm | | 1330x1123x604 mm | 1080x1008x480 mm |
| Outdoor noise level |
| | | | 38 dB(A) | 48 dB(A) | 46 dB(A) | | 32.6 dB(A) | 34 dB(A) |
| Indoor unit weight |
| | | | | 11.5 kg | 8 kg | | | 46 kg |
| Indoor unit dimensions (width x height x depth) |
| | | | | 295x798x189 mm | 286x770x225 mm | | | 448x768x483 mm |
| Indoor unit noise level |
| | | | | 21/29/45 dB(A) | 20/25/39 dB(A) | | | |
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