Flexit Nordic KS3 User Manual

Air handling unit with optional kitchen hood connection

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120320-02
2023-05
Flexit
GO
Nordic KS3
ART.NO. 800300, 800301
USER MANUAL
Air handling unit with optional kitchen hood connection

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Summary of Contents for Flexit Nordic KS3

  • Page 1 120320-02 2023-05 Flexit Nordic KS3 ART.NO. 800300, 800301 USER MANUAL Air handling unit with optional kitchen hood connection...
  • Page 2: Table Of Contents

    N O R D I C K S 3 Contents Automatic control......................6 Functional description ....................7 2.1. Heating element ....................7 Door ..........................8 3.1. Unit door ......................8 3.2. Design front/External front ................8 Cleaning and maintenance ..................9 4.1. Cleaning the fans ....................9 ..................10 4.3.
  • Page 3 Symbols used These products bear a number of symbols used for labelling the actual product and in installation and user documentation. Supply air Extract air Extract air from kitchen DANGER: DANGER! DO NOT ELECTRICITY TOUCH Exhaust air Outdoor air FRONT FRONT EXAMPLE OF NIPPLE LOCATIONS EXAMPLE OF NIPPLE LOCATIONS...
  • Page 4 N O R D I C K S 3 SAFETY INSTRUCTIONS • To avoid the risk of fire, electric sensory capacity or reduced physical or shock or injury, read all the safety mental capacity, or by persons lacking instructions and warning texts experience or knowledge, provided they before using the unit.
  • Page 5 • This unit is only designed for ventilation air in homes and commercial buildings. • To maintain a good indoor climate, comply with regulations and avoid condensation damage, the unit must never be stopped apart from during service/ maintenance or in connection with an accident.
  • Page 6: Automatic Control

    For more information on the automatic control system, User manual Flexit GO • Flexit GO app • NordicPanel control panel (accessory) To control the ventilation unit via a smartphone/tablet, See manual (120018). download the app from Google Play or the App Store.
  • Page 7: Functional Description

    2. Functional description Cold outdoor air passes through one half of the rotor (HR-R), while warm extract air passes through the other half, without the two mixing. Using this principle, a large proportion of the heat in the extract air is transferred to the supply air - the heat store principle (see system sketches).
  • Page 8: Door

    N O R D I C K S 3 3. Door DANGER! Before opening the door element, see the user manual for Flexit GO (117078) or of the heat recovery unit or carrying NordicPanel (120426). out maintenance on the kitchen...
  • Page 9: Cleaning And Maintenance

    4. Cleaning and maintenance The fans are removed as follows: TIP: You need a T20 • Remove the door as shown in the previous chapter. DANGER! Before opening the door • Undo the screws in the electrical compartment cover of the heat recovery unit or carrying •...
  • Page 10 Reduced indoor air quality It is important to use a Flexit original filter. the ventilation unit may not work as intended. Flexit therefore accepts no liability for any operating faults. Change both filters (supply air and exhaust air) at the same time.
  • Page 11: Changing The Brush Strips

    4.3. CHANGING THE BRUSH STRIPS The brush strips become worn over time. If they do not lie tightly against the rotary exchanger, it may be necessary to change them. Alternatively, they may be moved closer to the rotor, the circuit board. 3.
  • Page 12 N O R D I C K S 3 8. Pull the brush strips out of the groove. example. There are total of four brush strips on the 9. Move the brush strips down to level 2, or replace rotor, two on each side. them with new ones if they are completely worn out.
  • Page 13: Cleaning The Rotor

    4.4. CLEANING THE ROTOR Further cleaning is possible by removing the rotor, spray- ing it with a grease solvent and then blowing it clean from the opposite side. Distance approximately 60 mm and max. pressure 8 bar. Ensure that the motor is not exposed to water during cleaning.
  • Page 14: Maintenance Table

    N O R D I C K S 3 5. Maintenance table Component Action Interval Filter Filters must be changed at least once a year. It is best to do this twice a year, before and after 6-12 months Fans The fan in a unit connected to a kitchen hood should be inspected once a year.
  • Page 15: Troubleshooting

    6. Troubleshooting INFO! In the case of a power cut, the unit will automatically return to normal operation (user's settings) when starting up again. Type of fault Remedial action Cold draughts Check which supply temperature has been selected. See operating panel. Check that the rotor is rotating.
  • Page 16: Complaints

    N O R D I C K S 3 7. Complaints Warranty claims will only be valid if the instructions in the manuals have been followed. This product is covered by warranty in accordance with the current terms of sale, provided that the product is used correctly and properly maintained.
  • Page 17 N O R D I C K S 3...
  • Page 18 N O R D I C K S 3...
  • Page 19 N O R D I C K S 3...
  • Page 20 The product is listed in the database for building products that can be used in Nordic Swan Ecolabelled buildings. Flexit participates in the ECP programme for RAHU. Flexit AS, Moseveien 8, 1870 Ørje, Norway www.flexit.com...

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