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Summary of Contents for Flexit Nordic S3
- Page 1 115699EN-06 2023-05 Nordic S3 Flexit ART.NO. 800120, 800121, 800122, 800123 INSTALLATION INSTRUCTIONS Air handling unit INSTALLATION INSTRUCTIONS...
- Page 2 N O R D I C S 3...
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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 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 • 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
1. Planning and preparation N O R D I C S 3 work 1.1. JOINER/FITTER The water battery must be located in a room with a drain. Check that the air moves from rooms with supply air valves to rooms with extract air valves. 1.3. - Page 7 Positioning of bushings for electrical conductors. The installation instructions for the individual products must be followed. For more information on automatic control see control panel (120018). Cable type Network cable 3-core cable (for e.g. kitchen fan) (DI1&DI2) Cable for control panel (NordicPanel) Not in use (accessory) (Accessories)
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Page 8: Installation
N O R D I C S 3 2. Installation 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 • On the wall (vertically). is placed in a room with high (Mounting supplied with unit.) humidity. -
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 3 2.2. SPACE REQUIREMENTS The unit must be installed with suitable space for and cleaning of fans and recovery system. See Fig. 1. These are minimum requirements and only take service needs into account. All electrical conductors from the unit must be easily accessible when the unit is fully installed. -
Page 11: What Is Supplied
2.3. WHAT IS SUPPLIED? N O R D I C S 3... -
Page 12: Installation
N O R D I C S 3 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: N O R D I C S 3...
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Page 14: Duct Connection
N O R D I C S 3 3. Duct connection 3.1. CONNECTION TO THE UNIT See Fig. 4. All ducts that pass through a cold zone must be insulated. see the markings on top of the unit and chap.8. System The ducts normally require min. -
Page 15: Electrical Work
Accessories: Wireless accessories A wireless adaptor can be connected to the 4-pole Flexit GO app, see the instructions that come with the accessories. Other accessories Accessories with a closing contact can be connected to a3-core cable on top of the unit. -
Page 16: Cover
6.1. PREPARATIONS placement of the unit. Therefore plan the positioning of both the unit and the cover prior to installation. data does not include possible noise from ducting. 6.2. FLEXIT DUCT COVER Flexit duct covers are available as accessories. -
Page 17: Installing And Adjusting The Kitchen Fan
Check the kitchen fan’s maximum capacity (based on the 7.2. ADJUSTING capacity diagram on the kitchen fan). If the kitchen fan is not supplied by Flexit, the fan or more fresh air valves, for example. hood, and arrange for supply air to the hood. -
Page 18: System And General Drawings
N O R D I C S 3 8. System and general drawings 8.1. SYSTEM DRAWING (ELECTRIC HEATING BATTERY) (shown as a right model) 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... -
Page 19: General Drawing
8.3. GENERAL DRAWING With electric heating battery No. Abbreviation Description (shown as a right model) Supply air fan Extract air fan HR-R Rotary wheel-type heat exchanger Rotor motor Control unit Kitchen hood connection Supply air temperature sensor Extract air temperature sensor Outdoor air temperature sensor Exhaust air temperature sensor Heating battery... - Page 20 N O R D I C S 3 Without heating No. Abbreviation Description (shown as a right model) Supply air fan Extract air fan HR-R Rotary wheel-type heat exchanger Rotor motor Control unit Kitchen hood connection Supply air temperature sensor Extract air temperature sensor Outdoor air temperature sensor Exhaust air temperature sensor...
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Page 21: Nipple Location
8.4. NIPPLE LOCATION Right model top FRONT Left model top FRONT N O R D I C S 3... -
Page 22: Technical Data S3
B-wheel Fan motor control 0-10 V 0-10 V Max. fan speed RPM 3 200 3 200 Automatic control, standard Flexit GO Flexit GO Filter class ePM1 55% (F7) ePM1 55% (F7) Filter type (supply air/extract air) DIMENSIONS Filter dimensions (WxHxD) -
Page 23: Dimensioned Drawing S3
10. Dimensioned drawing S3 537 mm 500 mm 599 mm 490 mm 300 mm Ø125 mm Ø125 mm N O R D I C S 3... -
Page 24: Capacity And Sound Data S3
N O R D I C S 3 11. Capacity and sound data S3 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 S3... -
Page 25: Final Checks/Starting
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 project engineering documents The unit operates normally in all... -
Page 26: 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 27: Complaints
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. The right of complaint may be voided if the system is used incorrectly or maintenance is grossly neglected. - 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. Flexit AS, Moseveien 8, N-1870 Ørje www.flexit.com...
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