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Flexit Nordic KS3 Installation Instructions Manual

Air handling unit with optional kitchen hood connection
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Nordic KS3
INSTALLATION INSTRUCTIONS
Air handling unit with optional kitchen hood connection
120321-02
2023-05
Flexit
GO
ART.NO. 800300, 800301
INSTALLATION
INSTRUCTIONS

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Summary of Contents for Flexit Nordic KS3

  • Page 1 120321-02 2023-05 Flexit Nordic KS3 ART.NO. 800300, 800301 INSTALLATION INSTRUCTIONS Air handling unit with optional kitchen hood connection INSTALLATION INSTRUCTIONS...

  • Page 2: Table Of Contents

    N O R D I C K S 3 Contents Preliminaries ........................6 1.1. Inspection/Maintenance ..................6 1.2. Space required ......................6 1.3. Location requirements ................... 6 1.4. Recommended sound attenuation for wall-mounting ........7 Installation ........................... 8 2.1. With kitchen hood ....................10 2.2.
  • 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: Preliminaries

    B = 1 mm 598 mm 1.3. LOCATION REQUIREMENTS Nordic KS3 has been designed for location in the kitchen over the cooker as it can contains an integrated kitchen hood. The unit can also be placed in other heated rooms and used without a kitchen hood.

  • Page 7: Recommended Sound Attenuation For Wall-Mounting

    Where there is a duct enclosure over the unit 15 mm Figure 3 1.4. RECOMMENDED SOUND ATTENUATION FOR WALL-MOUNTING The wall bracket is used for wall mounting (included). The unit should preferably not be placed against a wall where noise is undesirable in the room on the other side (bedroom).

  • Page 8: Installation

    N O R D I C K S 3 2. Installation min. 600 mm Nordic KS3 is designed for installation in the kitchen above the cooker, see Fig. 7. The unit can also be placed in other heated rooms and used without a kitchen hood.
  • Page 9 insulation isolering gypsum gips studs (mounting, upper edge) spikerslag screw hole, mounting bracket skruehull, festebrakett studs (mounting, lower edge) steel edge, volume stålkant, volumhette hood upper edge, 2 mm over uttreksd moulding distance between cooker top and kitchen hood * Dimensions so that the unit incl.

  • Page 10: With Kitchen Hood

    N O R D I C K S 3 2.1. WITH KITCHEN HOOD There may be a risk of external condensation on the unit if it is placed in a room with high humidity. Hanging on a kitchen wall. 2.2. WITHOUT A KITCHEN HOOD Hanging on wall, e.g.

  • Page 11: What Is Included

    2.3. WHAT IS INCLUDED? Figure 8 What is included? N O R D I C K S 3...

  • Page 12: Duct Connection

    N O R D I C K S 3 3. Duct connection 3.1. CONNECTION TO THE UNIT See Figure 9 Duct connection. - see the markings on top of the unit and see chap. 5. System and general drawings on page 15. Pull the duct insulation well up to the unit.

  • Page 13: Electrical Work

    4. Electrical work DANGER! All electrical work must be performed by an authorised person. The unit should be installed with an earth fault breaker. for the unit. Positioning of bushings The unit is supplied with a 2.8 m cable with plug. for electrical conductors The cable comes out of the top of the unit and is (shown as a left model)

  • Page 14: Automatic Control

    N O R D I C K S 3 4.1. AUTOMATIC CONTROL The signal cable must be laid between the unit and the switch unit. See the separate instructions for automatic control. Signal cables must be at least 30 cm from power cables, dimmers, thermostats etc.

  • Page 15: System And General Drawings

    5. System and general drawings 5.1. SYSTEM DRAWING (ELECTRIC HEATING BATTERY) Abbreviation Description Outdoor air Supply air Extract air Exhaust air Supply air temperature sensor Temperature and humidity sensor, extract air Humidity sensor, extract air Outdoor air temperature sensor Exhaust air temperature sensor B3/H1 Heating battery Overheating thermostat, manual reset...

  • Page 16: Nipple Location

    N O R D I C K S 3 5.3. NIPPLE LOCATION Dimensions in mm. Ø125 Ø125 Ø125 Ø125 Ø125 Ø125 Ø125 Ø125 Ø125 Ø125 (Shown as a left-hand model) (Shown as a right-hand model)

  • Page 17: Technical Data

    Rated power, rotor motor VENTILATION Fan type B-wheel Fan motor control 0-10 V Max. fan speed RPM 6 500 Automatic control Flexit GO Heat exchanger Rotating 250*200*2,0 Humidity sensor Integrated Protection rating IP21 Filter class ePM1 55% (F7) Filter type (supply air/extract air)

  • Page 18: Dimensioned Drawings

    N O R D I C K S 3 7. Dimensioned drawings Dimensions in mm. Ø125...

  • Page 19: Capacity And Sound Data

    8. Capacity and sound data Capacity diagrams and performance data for the unit can be found in the product data sheet and in our calculation program Flexit Select. Product data sheet Nordic KS3 N O R D I C K S 3...

  • Page 20: Final Checks/Starting

    N O R D I C K S 3 9. Final checks/Starting CAUTION! The installer may be held liable for any incorrect or defective installation. 9.1. FINAL CHECKS Check the following points: Description Chapter Performed Duct insulation has been carried out in accordance with the manual and technical documents Ducts have been connected to the...

  • Page 21: Startup And Connection Of The Unit

    (120018). • Connect the unit’s power cable. • The unit will now start. Using the Flexit GO app: • The unit will automatically carry out a startup Alt. 1: Connect the unit to the home’s router. procedure lasting approx. 3 min.

  • Page 22: Complaints

    N O R D I C K S 3 10. 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 23 N O R D I C K S 3...
  • Page 24 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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