Flexit Nordic CL3 Installation Instructions Manual
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Flexit Nordic CL3 Installation Instructions Manual

Air handling unit
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Nordic CL3
INSTALLATION INSTRUCTIONS
Air handling unit
117581-01
2019-09
Flexit
GO
ART.NO. 800200, 800201
INSTALLATION
INSTRUCTIONS

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Summary of Contents for Flexit Nordic CL3

  • Page 1 117581-01 2019-09 Flexit Nordic CL3 ART.NO. 800200, 800201 INSTALLATION INSTRUCTIONS Air handling unit INSTALLATION INSTRUCTIONS...
  • Page 2 N O R D I C C L 3...

  • Page 3: Table Of Contents

    Contents Planning and preparation work..................6 1.1. Joiner/Fitter ..........................6 1.2. Electrician ..........................6 Installation .........................7 2.1. What is included? ......................... 8 2.2. Ceiling mounting ........................8 2.2.1. Positioning requirements for ceiling mounting ..........8 2.2.2. Space requirements for ceiling mounting ............8 2.3.
  • Page 4 N O R D I C C L 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...
  • Page 5 SAFETY INSTRUCTIONS • To avoid the risk of fire, electric • This unit is only designed for shock or injury, read all the safety ventilation air in homes and instructions and warning texts commercial buildings. before using the unit. • To maintain a good indoor •...

  • Page 6: Planning And Preparation Work

    N O R D I C C L 3 1. Planning and preparation work 1.1. JOINER/FITTER 1.2. ELECTRICIAN Power supply Check that the air moves from rooms with supply air The units have a 2-metre cable with plug and require a valves to rooms with extract air valves.

  • Page 7: Installation

    2. Installation The unit can be installed in the following ways: 1. On the ceiling. 2. On the wall (mounting is available as an accessory) available as an accessory) as an accessory) The CL3 is available in both a right and a left version, depending on what best matches the duct location.

  • Page 8: What Is Included

    N O R D I C C L 3 2.1. WHAT IS INCLUDED? Figure 3 What is included? 2.2. CEILING MOUNTING 2.2.1. Positioning requirements for ceiling mounting Positioning must comply with individual countries’ electrical The unit is designed to be installed in boiler rooms, safety legislation.

  • Page 9: Heavy Components

    2.3. HEAVY COMPONENTS We recommend using a lift/manual lifting table for ceiling mounting. We also recommend wearing a hard hat. Be aware that some of the unit’s components are heavy. N O R D I C C L 3...

  • Page 10: Top Mounting

    N O R D I C C L 3 2.3.1. Top mounting If it is necessary to pre-drill the mounting surface, see Figure 5 Holes, top mounting for dimensions. The fixings must be suitable for the unit’s weight of 59 kg. 40 mm 23mm 1114mm...
  • Page 11 Using suitable screws, screw through the holes in the mounting bracket, damping block and the unit’s back The unit must always be mounted panel. with at least a 3 mm gap to the mounting surface to prevent structure-borne sound. 3 mm Figure 7 Gap to mounting surface Figure 6 Mounting bracket, top mounting Figure 8 Top mounting...

  • Page 12: Side Mounting

    N O R D I C C L 3 2.3.2. Side mounting If it is necessary to pre-drill the mounting surface, see Figure 9 Holes, side mounting for dimensions. 14 mm The fixings must be suitable for the unit’s weight of 59 kg. 8 mm 1115 mm 18,5 mm...
  • Page 13 by securing the mounting brackets. Figure 10 Side mounting Make sure that the mounting surface only touches the mounting brackets and not the unit so as to prevent structure-borne sound. The mounting bracket can be adjusted sideways in both Figure 11 N O R D I C C L 3...

  • Page 14: Wall Mounting

    N O R D I C C L 3 2.4. WALL MOUNTING The back panel of the unit has screw holes for attach- ment to the wall (accessories), both at the top and the bottom, so the unit can be mounted either way on the 2.4.1.

  • Page 15: Turning The Door

    2.4.2. Turning the door The hinge brackets must be moved for the door to be turned. 1. Undo the screws in the hinge brackets. 2. Then move the hinge brackets and do up the screws again. 3. Slide both locking bolts in towards the centre of the door while N O R D I C C L 3...

  • Page 16: Space Requirements For Wall Mounting

    N O R D I C C L 3 2.4.3. Space requirements for wall mounting The unit must be installed with space for servicing and the fans and rotor. See Figure 13 Space requirements for ceiling mounting. min. 90° These are minimum requirements and only take service needs into account.

  • Page 17: Fitting The Wall Bracket

    2.4.4. Fitting the wall bracket In the case of wall mounting, secure the wall bracket to the wall and hang the unit in place (see Figure 15 Fitting the wall bracket). Hold the unit at an angle when hooking it onto the wall. The top edge of the wall bracket should be mounted 55 mm higher than the top of the unit’s back panel.

  • Page 18: Floor (Loft) Mounting

    N O R D I C C L 3 2.5. FLOOR (LOFT) MOUNTING 2.5.2. 2.5.1. mounting The unit must be installed with suitable space for The unit is designed to be installed in boiler rooms, and cleaning of fans and recovery system. See Figure 18 laundry rooms, stores or other suitable areas.

  • Page 19: Duct Connection

    3. Duct connection 3.1. CONNECTION TO THE UNIT See Figure 19 Duct connection. - see the markings on top of the unit and chap.6. System and general drawings on page 22. Pull the duct insulation well up to the unit. To prevent condensation, it is particularly important for the outdoor and exhaust air ducts to have insulation and a plastic sleeve pulled right down to the unit.

  • Page 20: Electrical Work

    A wireless adaptor can be connected to the 4-pole for the unit. Flexit GO app, see the instructions that come with the accessories. The unit is supplied with a 2 m cable with plug. Other accessories...

  • Page 21: Installing A Kitchen Fan

    5.2. ADJUSTING THE KITCHEN FAN 5.1. INSTALLATION OF EXTERNAL KITCHEN If the kitchen fan is not supplied by Flexit, the fan If an external kitchen fan is going to be used, hood, and arrange for supply air to the hood.

  • Page 22: System And General Drawings

    N O R D I C C L 3 6. System and general drawings 6.1. SYSTEM DRAWING (ELECTRIC HEATING BATTERY) Abbreviation Description Supply air temperature sensor Extract air temperature sensor Outdoor air temperature sensor Exhaust air temperature sensor Heating battery Overheating thermostat, manual reset Overheating thermostat, automatic reset Supply air fan...

  • Page 23: General Drawing

    6.2. GENERAL DRAWING No. Abbreviation Description Supply air fan Extract air fan HR-R Rotary wheel-type heat exchanger Rotor motor Control unit Kitchen fan connection Supply air temperature sensor Extract air temperature sensor Outdoor air temperature sensor Exhaust air temperature sensor Heating battery Heating overheating thermostat man.

  • Page 24: Nipple Location

    N O R D I C C L 3 6.3. NIPPLE LOCATION Right model FRONT Left model FRONT...

  • Page 25: Technical Data, Cl3

    Fan type B-wheel Fan motor control 0-10 V Max. fan speed RPM 3,200 Automatic control, standard Flexit GO Filter class ePM1 55% (F7) Filter type (supply air/extract air) DIMENSIONS Filter dimensions (WxHxD) 290 x 230 x 48 mm Kitchen fan connection Dia.

  • Page 26: Dimensioned Drawing

    N O R D I C C L 3 8. Dimensioned drawing Dimensions in mm 1149 1050 1160 Ø125 Ø160...

  • Page 27: Capacity And Sound Data

    9. Capacity and sound data 9.1. SUPPLY AIR SIDE < 0,75 100% 100% dB(A) dB(A) dB(A) dB(A) dB(A) [m³/h] 9.2. EXTRACT AIR SIDE < 0,75 100% 100% dB(A) dB(A) dB(A) dB(A) dB(A) [m³/h] N O R D I C C L 3...

  • Page 28: Correction Factor For Lw

    N O R D I C C L 3 Using the capacity diagram: 1. Capacity curves (blue) 4. Sound curves (red) These curves show the total available pressure and the These curves indicate values for the sound power level the sound power level of the duct in the various octave /h at the bottom of the diagram and in l/s at the top of the diagram.
  • Page 29 Figure 21 Radiated sound 1 Figure 22 Radiated sound 2 Suspended Integrated in ceiling *The test was performed with ceiling panels in 19 mm MDF. N O R D I C C L 3...

  • Page 30: Final Checks/Starting

    N O R D I C C L 3 10. Final checks/Starting 10.1. 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 correct nipples Adjustment has been carried out in accordance with the manual and...

  • Page 31: Startup

    See manual see startup guide (116081). (116908). Using the Flexit GO app (standard): For use with a control panel (accessory): Alt. 1: Connect the unit to the home’s router. • Check that the control panel has been wired up and Alt.

  • Page 32: Complaints

    Our products have been tested in accordance with parts Filters are consumables. 2006/42/EC Machine Directive (Safety) Producer: FLEXIT AS, Televeien 15, 1870 Ørje, Norway Our products are subject to continuous development and we therefore reserve the right to make changes. Type:...
  • Page 33 N O R D I C C L 3...
  • Page 34 N O R D I C C L 3...
  • Page 35 N O R D I C C L 3...
  • Page 36 Flexit AS, Televeien 15, 1870 Ørje, Norway www.flexit.no...

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