How to fix Flexit Air Handlers fans not working?
If the Flexit Air Handlers fans aren't working, first ensure the unit is properly connected to a power source. Then, verify that the overheating thermostat hasn't tripped. If it has, reset it by pressing the button and also reset it in the app or on the control panel.
What to do if I feel cold draughts from Flexit Air Handlers?
If you are experiencing cold draughts from your Flexit Air Handlers, verify the selected supply temperature via the control panel. Also, check that the rotor is rotating correctly; if not, tighten the rotor belt by adjusting the rotor motor bracket. Finally, make sure that the heating function is activated.
Explains the function of the unit's supply and extract fans, adjustable at three speeds.
Details high-grade filters for clean air, maintaining unit cleanliness and efficiency.
Describes the rotary heat exchanger system that transfers heat from extract to supply air.
Explains the electric heating element for supplementary heating and its safety thermostats.
Lists the four temperature sensors and their measurement points (supply, extract, outdoor, exhaust air).
Specifies the closing air damper in the exhaust air duct to prevent cold draughts.
Specifies the closing air damper in the outdoor air duct to prevent cold drafts and frost.
Details how to lift off or remove the unit door, including safety precautions for its weight.
Instructions for inspecting and cleaning the unit's fans, including safety notes regarding water exposure.
Guidance on filter replacement frequency and procedure to maintain air quality and unit performance.
Steps for adjusting or replacing worn brush strips on the rotor to ensure proper sealing and function.
Instructions for cleaning the rotor, noting it's usually unnecessary but providing steps if required.
Recommendations for cleaning the unit's exterior using mild detergents and soft cloths to avoid damage.
General| Category | Air Handlers |
|---|---|
| Brand | Flexit |
| Model | Nordic S4 |
| Temperature efficiency | Up to 85% |
| Supply voltage | 230 V |
| Heat recovery efficiency | Up to 85% |
| Weight | 34 kg |
| Operating temperature range | -20°C to +40°C |
| Filter class | ISO ePM1 55% (F7) |
| Mounting | Wall-mounted |
| Heat exchanger | Counterflow |
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