Flexit C2 Assembly Instructions Manual

Ceiling mounted air handling unit and automatic control system
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114529EN-05
2016-11
C2
Assembly Instructions
Ceiling mounted air handling unit
and automatic control system
INSTALLATION
INSTRUCTIONS
ART. NO.:
700030
700031
700032
700033

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Summary of Contents for Flexit C2

  • Page 1 114529EN-05 2016-11 INSTALLATION INSTRUCTIONS ART. NO.: Assembly Instructions 700030 Ceiling mounted air handling unit 700031 700032 and automatic control system 700033...
  • Page 2 SAFETY INSTRUCTIONS • It is the installer's responsibility to that must not be touched when they carry out a full safety and function are hot. assessment of the appliance. • The unit must not be operated • To reduce the risk of fire, electric without the filters being in place.
  • Page 3: Table Of Contents

    Innhold 1 How to read the document ............................2 Planning and preparation work ........................2.1 Joiner / fitter ......................................2.2 Plumber (if the unit has a water battery) ....................2.3 Electrician ........................................3 Installation ........................................3.1 Mounting the safety strap ..............................
  • Page 4: How To Read The Document

    1 How to read the document NB! When a text bears this sym- bol, damage to equipment or poor efficiency may be the consequen- ce of not following the instructions. CAUTION! When a text bears this symbol, it means that personal injury or serious damage to the equip- ment may result if the instructions are not followed.
  • Page 5: Planning And Preparation Work

    2 Planning and preparation work 2.3 Electrician 2.1 Joiner / fi tter Power supply Airfl ow The units have an approx. 2 m cable with plug and Check that the air moves from rooms with supply air require a single-phase earthed socket nearby. Plug valves to rooms with extract air valves.
  • Page 6: Installation

    3 Installation The unit can be installed in the following ways: • On the ceiling. • Horizontally on a wall. Mounting devices for this can be purchased as an accessory. • On the fl oor (lying on its back). In this case absorption feet are recommended (available as an accessory).
  • Page 7: Ceiling Mounting

    3.3 Ceiling mounting 3.3.1 Positioning requirements The unit is designed to be installed in boiler rooms, laundry rooms, stores, lofts or other suitable areas. Positioning must accord with individual countries' electrical safety legislation. Check which rules apply in your country. The unit should be positioned in such a way that there is no danger of noise nuisance in nearby rooms.
  • Page 8 3.3.3 Mounting of fi xing bracket The air handling unit can be mounted in the ceiling in several different ways. Alternative 1 - Top mounting Alternative 2 - Side mounting Fixing brackets to be mounted in the same way regardless of top or side mounting To facilitate access to the fi...
  • Page 9 Alternative 1 - Top mounting The unit must always be mounted at min. 3mm distance from the mounting substrate, as shown in figure 12. This is to prevent structural sound.
  • Page 10 Alternative 1 - Top mounting If it is necessary to pre-drill your mounting substrate, the drilling pattern is given here: Select a suitable fixing device which matches your mounting substrate. Remember that the unit weighs 46 kg and the fixing device must be able to support this.
  • Page 11 Alternative 2 - Side mounting...
  • Page 12 Alternative 2 - Side mounting Select a suitable fixing device which matches your mounting substrate. 18,5 mm Remember that the unit weighs 46 kg and the fixing device must be able to support this. If it is necessary to pre-drill your mounting substrate, the drilling pattern for the two mounting alternatives is given here: 14 mm 524-550 mm...
  • Page 13: Wall Mounting

    3.4 Wall mounting 3.4.1 Positioning requirements The unit is designed to be installed in boiler rooms, laundry rooms, stores, lofts or other suitable areas. Positioning must accord with individual countries' electrical See separate instructions for mounting the wall fi xing. safety legislation.
  • Page 14 3.4.2 Space requirements The unit must be installed with space for servicing and maintenance such as filter replacement and cleaning of fans and rotary heat exchangers. The control cable with plug for automatic control must be easily min 90° accessible when the unit is fully installed. These are minimum requirements and only 200 mm* take service needs into account.
  • Page 15: Floor (Attic) Mounting

    figure 15 Absorption feet When installing on the ceiling, absorption feet should be used, for the sake of noise and vibrations. Flexit offers suitable absorption feet as accessories, see figure 15. The unit should be positioned in such a way that there is no danger of noise nuisance in nearby rooms.
  • Page 16: Duct Connection

    4 Duct connection 4.1 Connection to the unit See figure 16. better. Ensure that the ducts are fitted to the correct nipple - The project engineer is responsible for use of the see the markings on top of the unit and kap. 10 required insulation and vapour-proof sleeves in General and system drawings på...
  • Page 17: Installation Of The Ci60/600 Control Panel

    5 Installation of the CI60/600 control panel 5.1 Contents Control panel Backplate for fl ush mounting Backplate for surface mounting Installation instructions Cable for control panel fi gure 17 Contents control panel 5.2 Installation of the CI60/600 The control units must be connected to the unit before power is connected to the unit in order to ensure communication.
  • Page 18: Installation With A Flush-Mounted Wall Box

    5.3 Installation with a fl ush-mounted wall box 5.5 Finishing off – C160 Run the cable between the wall box and the ventilation Slide the panel off in the direction of arrow no. 1, see unit in the pre-installed wiring conduit. Fit the backplate fi...
  • Page 19: Electrical Work

    6 Electrical work 6.1 Supply air sensor for heating (B1) The unit must be installed with a separate earth fault breaker. This must be located in the supply air duct. All electrical connections must • Where electric heating is retrofitted, be carried out by qualified the supply air sensor must be electricians.
  • Page 20: Adjustment

    8 Adjustment 8.1 Adjustment with CI60 If necessary, the ventilation unit's additional heating can also be switched ON/OFF with switch 10. In this case only the rotary heat exchanger is used as a The unit's air supply MUST be source of heat. It is best to leave it in ON position, adjusted before the unit is used as the unit will then respond automatically when there for the fi...
  • Page 21: Adjustment With Ci600

    8.4 Adjustment with CI600 The dialogue is identical for the supply air and extract air fans. The fans are adjusted individually to the The unit's air supply MUST be ad- desired capacity for the respective speed. justed before the unit is used for the fi...
  • Page 22: Installing The Cooker Hood

    9 Installing the cooker hood When a cooker hood is to be connected to the unit, the cooker hood nipple and polystyrene ring must be retrofi tted. This is done by removing the polystyrene cover and plastic cover which cover the cooker hood connection.
  • Page 23: Installation Of External Cooker Hood

    9.2 Adjusting the cooker hood When using an external cooker hood, documentation If the hood is not supplied by Flexit, the cooker hood regarding installation and adjustment of air fl ow rates supplier must plan air fl ow rates both for extract air is supplied with the hood.
  • Page 24: General And System Drawings

    10 General and system drawings 10.1 System drawing (electric battery) (shown as a right-hand model) Abbreviation Description Supply air temperature sensor Outdoor air temperature sensor Heating element Overheating thermostat, manual reset Overheating thermostat, automatic reset Supply air filter Extract air filter Supply air fan Extract air fan HR-R...
  • Page 25: System Drawing (Electric Battery)

    10.2 System drawing (electric battery) (shown as a right-hand model) Abbreviation Description Supply air filter F7 Extract air filter F7 Supply air fan Extract air fan HR-R Rotary heat exchanger Rotor motor Control unit Cooker hood Supply air temperature sensor Outdoor air temperature sensor Heating element Heating overheating thermostat man.
  • Page 26: Nipple Location

    10.3 Nipple location figure 28 Right-hand model figure 29 Left-hand model...
  • Page 27: Technical Data

    11 Technical data Design data C2 R C2 R with electric without electric battery battery Rated voltage 1 x 230 V 1 x 230 V Fuse size 1 x10 A 1 x 10 A Rated current, total 3.0 A 1.5 A...
  • Page 28: Dimensioned Drawing

    11.1 Dimensioned drawing 450mm 215mm Ø 125mm 1035mm 995mm 140mm 900mm Ø125mm 585mm 160 - 240mm 320mm 350mm figure 30 Dimensioned drawing...
  • Page 29: Capacity And Sound Data

    11.2 Capacity and sound data 11.2.1 Supply air side Air flow rate [l/s] < 0,75 100% 100% dB(A) dB(A) dB(A) dB(A) dB(A) Air flow rate [m³/h] Water battery [Pa] 12,5 11.2.2 Extract air side Air flow rate [l/s] < 0,75 100% 100% dB(A)
  • Page 30 Explanation of diagram: Lw (without adaptation to A band) Sound data is stated as the sound output level LwA The correction table for the various octaves is in the capacity diagrams (these are for sound to the stated in Lw, which means that the Lw values are after duct) conversion of each octave for supply air and extract air.
  • Page 31 figure 32 figure 33 Radiated 1 Radiated 2 Built-in ceiling Free hanging *The test was performed with ceiling panels in 19mm MDF.
  • Page 32: Final Checks / Startup

    12 Final checks / Startup 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 in accordance with the manual and projection documents The unit operates normally in all...
  • Page 33: Ce Declaration Of Conformity

    Our products have been tested in accordance with parts of: The product is CE-marked: 2015 2006/42/EC Machine Directive (Safety) Producer: FLEXIT AS, Televeien 15, FLEXIT AS 29.11.2016 1870 Ørje, Norway Type: C2 R Ventilation unit Frank Petersen Warranty claims on this product are accepted in accordance with the applicable terms of sale, provided that the product is correctly used and maintained.
  • Page 36 Flexit AS, Televeien 15, N-1870 Ørje www.fl exit.no 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 certifi cate:...

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700030700031700032700033

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