| Product code |
Flexit Nordic S4 | 121394 | 526_162 | Airobot L ERV must | EBBX11D9W + ERLA11DW1 |
| Product type |
Ventilation unit | | Air-to-water heat pump | | Air-to-water heat pump |
| Energy efficiency class |
A | A | | A | |
| Power supply voltage |
230 V/Ph/Hz | 100–240/1~/50–60 V/Ph/Hz | 230V / 50Hz V/Ph/Hz | 220-240/1/50 V/Ph/Hz | 380/3/50 V/Ph/Hz |
| Protection circuit breaker |
10 A | | C32 A | 10 A | 16 A |
| Maximum air flow rate (100Pa) |
130 l/s or 468 m3/h | | | 56 l/s or 200 m3/h | |
| Approximate size of ventilated surface |
240 m² | 20 m² | | 100 m² | |
| Air duct connection |
Ø 160 mm | | | Ø 160 mm | |
| Filters |
2 pieces 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 | |
| Type of heat exchanger |
Rotor | | | | |
| Dimensions (width x height x depth) |
753 x 727 x 610 mm | | | 1170 x 606 x 300 mm | |
| Returns moisture |
Yes | | | Yes | |
| Control via phone application |
Yes | Yes | | Yes | |
| Required control panel |
No | | | | |
| Required condensate drainage connection |
No | | | | |
| Eurovent certificate (ensures data reliability) |
Yes | | | | |
| Heating capacity Outdoor air +35°C/ 7°C |
| | 9.50 kW | | 12.44 kW |
| Energy efficiency class (35°/55°) |
| | A+++/A++ | | A+++ |
| SCOP |
| | 4,53/3,33 | | |
| Warranty |
| | 5 years | | 2 years |
| Estonian language menu |
| | Yes | | Yes |
| Wi-Fi smart remote control |
| | Yes | | Yes |
| Operating limit (Heating) |
| | -20 °C | | -25 ~ 35 °C |
| Refrigerant |
| | R32 | | R32 |
| Pipe size (Liquid/Gas) |
| | 15,88/9,52 mm | | |
| Maximum pipe length |
| | 30 m | | |
| Active cooling option |
| | Yes | | |
| COP |
| | 4.50 | | 4.84 |
| Control and monitoring via the Internet |
| | No | | Yes |
| Electric auxiliary heating element |
| | 3+3 kW | | 3-6-9 kW |
| Domestic hot water boiler capacity |
| | 190 l | | Separate |
| Auxiliary heating element power |
| | 3+3 kW | | 3-6-9 kW |
| Maximum heating water temperature |
| | 55 °C | | |
| Indoor unit weight |
| | 145/363 kg | | 52.5 kg |
| Indoor unit dimensions (width x height x depth) |
| | 648x1863x684 mm | | 440x840x390 mm |
| Indoor unit noise level |
| | 32 dB(A) | | 30 dB(A) |
| Outdoor unit weight |
| | 62 kg | | 101 kg |
| Outdoor unit dimensions (width x height x depth) |
| | 940x998x391 mm | | 1100x870x460 mm |
| Outdoor noise level |
| | 40 dB(A) | | 48 dB(A) |
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