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Flexit Nordic S2 - User Manual

Flexit Nordic S2
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Nordic S2
USER MANUAL
Air handling unit
ART.NO. 800110, 800111, 800112, 800113
117201EN-03
2022-12
Flexit
GO

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Questions and Answers

  • J
    James HowardJul 27, 2025
    What to do if I notice low air flow rate in my Flexit Air Handlers?
    • L
      Linda BakerJul 28, 2025
      If you're experiencing low airflow with your Flexit Air Handlers unit, first verify the unit's speed setting. Also, ensure that the filters are properly sealed and check the intake grille for any obstructions. The thermostat (F10) may need to be manually reset by pressing the reset button.
  • K
    knguyenAug 6, 2025
    Why are the fans not working in my Flexit Air Handlers?
    • L
      Leah WarnerAug 6, 2025
      If the fans in your Flexit Air Handlers aren't working, start by confirming that the unit is receiving power. Then, check if the overheating thermostat has tripped. If it has, reset it by pressing the button, and also reset it in the app or on the control panel.
  • C
    Carla ReedAug 17, 2025
    How to stop cold draughts from Flexit Air Handlers?
    • H
      Holly FieldsAug 17, 2025
      If you are feeling cold draughts from your Flexit Air Handlers, verify the selected supply temperature on the control panel. Also, check that the rotor is rotating and confirm that the heating is active.

Summary

Safety Instructions

Automatic Control

Flexit GO App

Control the ventilation unit via smartphone/tablet.

NordicPanel Control Panel (Accessory)

Control panel accessory for the ventilation unit.

Functional Description of Balanced Ventilation

Fans (M1, M2)

Fans ensure air enters and leaves the building.

Filters (FI1, FI2)

Filters ensure clean supply and extract air for the unit.

Rotor (HR-R)

Rotary wheel-type heat exchanger for heat transfer.

Heating Element (EB)

Electric heating element to raise supply air temperature.

Temperature Sensors (B1, B4)

Four sensors register air temperatures for unit operation.

For Use with Dampers

Dampers control airflow in exhaust and outdoor air ducts.

Operating the Door

If a Door Needs to Be Removed

Instructions for removing the unit door, including weight warning.

Cleaning and Maintenance

Cleaning the Fans

Clean fan blades with grease solvent and compressed air annually.

Changing the Filters

Replace filters annually, or more often in dusty environments.

Changing the Brush Strips

Replace or adjust brush strips on the rotor if worn.

Cleaning the Rotor

Clean rotor with a soft brush or solvent; ensure motor is protected from water.

External Cleaning

Clean exterior with a soft cloth, warm water, and neutral detergent.

Maintenance Table

Troubleshooting

Complaints

Waste Handling

Flexit Nordic S2 Specifications

General IconGeneral
BrandFlexit
ModelNordic S2
CategoryWater Filtration Systems
LanguageEnglish