Flexit Nordic S4 Installation Instructions Manual
Air handling unit
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- Installation instructions manual (28 pages) ,
- User manual (20 pages) ,
- Quick manual (12 pages)
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Summary of Contents for Flexit Nordic S4
- Page 1 115545EN-07 2023-08 Nordic S4 Flexit ART.NO. 800130, 800131, 800132, 800133 INSTALLATION INSTRUCTIONS Air handling unit INSTALLATION INSTRUCTIONS...
- Page 2 N O R D I C S 4...
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Page 3: Table Of Contents
For use with a water battery ...................15 Plumbing work *.......................15 Cover ..........................16 6.1. Preparations ........................16 6.2. Flexit duct cover .........................16 Installing and adjusting the kitchen fan ...............17 7.1. Installation ...........................17 7.1.1. Kitchen fan without motor ................17 7.1.2. Kitchen fan with motor ..................17 7.2. - Page 4 N O R D I C S 4 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 • That precautions must be taken shock or injury, read all the safety to avoid the back-flow of gases instructions and warning texts into the room from the open before using the unit. flue of gas or other fuel-burning •...
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Page 6: Planning And Preparation Work
N O R D I C S 4 1. Planning and preparation spring must be used. See separate instructions (116166) that accompany the water battery. work 1.1. JOINER/FITTER The water battery must be located in a room with a drain. Airflow Check that the air moves from rooms with supply air valves to rooms with extract air valves. - Page 7 The installation instructions for the individual products must be followed. For more information on automatic control see www.flexit.com or the manual for Flexit GO and the control panel (120018). Cable type Network cable 3-core cable (for e.g. kitchen fan) (DI1&DI2)
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Page 8: Installation
N O R D I C S 4 2. Installation Nordic S units can be installed vertically on the floor/ wall or suspended from the ceiling and can be in hot and There may be a risk of external cold zones: condensation on the unit if it •... -
Page 9: Positioning Requirements
2.1. POSITIONING REQUIREMENTS LIVING ROOMS The unit is designed to be installed in boiler rooms, laundry rooms, stores or other suitable areas. The unit can be in a cold location. Positioning must comply with individual countries’ electrical safety legislation. Check which BOILER ROOM rules apply in your country. -
Page 10: Space Requirements
N O R D I C S 4 2.2. SPACE REQUIREMENTS The unit must be installed with suitable space for servicing and maintenance such as filter replacement and cleaning of fans and recovery system. See Fig. 1. These are minimum requirements and only take service needs into account. -
Page 11: What Is Supplied
2.3. WHAT IS SUPPLIED? N O R D I C S 4... -
Page 12: Installation
N O R D I C S 4 2.4. INSTALLATION Alternative mounting methods: 1. Vertical mounting on wall The unit is available in left and right versions (outdoor air nipple to the left or right), depending on what is the most favourable in relation to the duct location. - Page 13 Alternative mounting methods: 1. Standing on floor Absorption feet (accessory) must be fitted when the unit is to stand on the floor. This raises the unit and enables the door rail to clear the floor. N O R D I C S 4...
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Page 14: Duct Connection
N O R D I C S 4 3. Duct connection 3.1. CONNECTION TO THE UNIT See Fig. 4. Ensure that the ducts are fitted to the correct nipple – All ducts that pass through a cold zone must be insulated. see the markings on top of the unit and chap.8. -
Page 15: Electrical Work
Accessories: Wireless accessories A wireless adaptor can be connected to the 4-pole contact marked ”Accessories”. For configuration with the Flexit GO app, see the instructions that come with the accessories. Other accessories Accessories with a closing contact can be connected to a 3-core cable on top of the unit. -
Page 16: Cover
The radiated noise from the unit specified in the sound data does not include possible noise from ducting. The cover should therefore be soundproofed too. 6.2. FLEXIT DUCT COVER Flexit duct covers are available as accessories. -
Page 17: Installing And Adjusting The Kitchen Fan
Ensure that the kitchen fan receives sufficient air via one If the kitchen fan is not supplied by Flexit, the fan or more fresh air valves, for example. supplier must plan air flow rates for extract air in the hood, and arrange for supply air to the hood. -
Page 18: System And General Drawings
N O R D I C S 4 8. System and general drawings 8.1. SYSTEM DRAWING (ELECTRIC HEATING BATTERY) (shown as a right model) Abbreviation Description Supply air temperature sensor B3/H1 Extract air temperature and humidity sensor B3/H1 Outdoor air temperature sensor Exhaust air temperature sensor Heating battery Overheating thermostat, manual reset... -
Page 19: General Drawing
8.2. GENERAL DRAWING With electric heating battery No. Abbreviation Description Supply air filter (shown as a right model) Extract air filter Supply air fan Extract air fan HR-R Rotary wheel-type heat exchanger Rotor motor Control unit Kitchen hood connection Supply air temperature sensor B3/H1 Extract air temperature and humidity sensor Outdoor air temperature sensor... -
Page 20: Nipple Location
N O R D I C S 4 8.3. NIPPLE LOCATION Right model top FRONT Left model top FRONT... -
Page 21: Technical Data S4
B-wheel B-wheel Fan motor control 0-10 V 0-10 V Max. fan speed RPM 3,980 3,980 Automatic control, standard Flexit GO Flexit GO Filter class ePM1 55% (F7) ePM1 55% (F7) Filter type (supply air/extract air) Compact filter Compact filter DIMENSIONS... -
Page 22: Dimensioned Drawing S4
N O R D I C S 4 10. Dimensioned drawing S4 610 mm 610 mm 564 mm 564 mm 610 mm 564 mm 753 mm 753 mm 753 mm 607 mm 607 mm 377 mm 377 mm 607 mm 147 mm 147 mm 377 mm... -
Page 23: Capacity And Sound Data S4
11. Capacity and sound data S4 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 S4 N O R D I C S 4... -
Page 24: Final Checks/Starting
N O R D I C S 4 12. Final checks/Starting 12.1. 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 25: 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 26: Complaints
N O R D I C S 4 13. Complaints Warranty claims will only be valid if the instructions in the manuals have been followed. Complaints about this product may be raised in accordance with the applicable terms of sale, provided that the product has been used and maintained correctly. - Page 27 N O R D I C S 4...
- Page 28 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. Check ongoing validity of certificate: www.eurovent-certification.com Flexit AS, Moseveien 8, N-1870 Ørje www.flexit.com...
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