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Exhausto VEX100 Series Product Information

For third party control system with water heating coil hcw
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3004517-2019-08-28
VEX170 for third party
control system with water heating coil HCW
Product information........................................ Chapter 1 + 6
Mechanical assembly..................................... Chapter 2 + 3
Electrical installation.......................................Chapter 4
Maintenance...................................................Chapter 5
EXHAUSTO A/S
Odensevej 76
DK-5550 Langeskov
Tel. +45 65 66 12 34
Fax +45 65 66 11 10
exhausto@exhausto.dk
www.exhausto.dk
VEX170-X
Original instructions

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Summary of Contents for Exhausto VEX100 Series

  • Page 1 HCW Product information........Chapter 1 + 6 Mechanical assembly........Chapter 2 + 3 Electrical installation........Chapter 4 Maintenance...........Chapter 5 Original instructions EXHAUSTO A/S Tel. +45 65 66 12 34 Odensevej 76 Fax +45 65 66 11 10 DK-5550 Langeskov exhausto@exhausto.dk...

  • Page 2: Table Of Contents

    3004517-2019-08-28 1. Product information 1.1. Designations used in these instructions.............6 1.1.1. Designations used in these instructions............6 1.2. Application......................6 1.3. Location requirements..................7 1.3.1. Space requirements..................7 1.3.2. Requirements for underlying surface............... 7 1.3.3. Condensation outlet..................7 1.3.4. Requirements for duct system................. 7 1.4.
  • Page 3 3004517-2019-08-28 6.3. Water heating system..................31 6.4. Capacity diagram....................32 6.5. EC Declaration of Conformity................32 6.6. Ordering spare parts................... 32 6.7. Environmental declaration..................33 3/36...
  • Page 4 Failure to observe instructions marked with a danger symbol may result in personal injury and/or damage to the unit. Scope This instruction manual is for use with EXHAUSTO VEX-type air handling units. Please refer to the product instructions regarding accessories and extra equip- ment.
  • Page 5 20 mm (in accordance with EN294). Rating plate The VEX unit rating plate shows: ● VEX unit, type (1) ● production number (2) Always have the production number ready when contacting EXHAUSTO A/S. 5/36...

  • Page 6: Product Information

    1.1Y 1.2 Application Comfort ventilation EXHAUSTO VEX is used for comfort ventilation tasks. Operating temperature range for the unit – see section "Technical data". Prohibited uses The VEX unit is not to be used to transport solid particles or in areas where there is a risk of explosive gases.

  • Page 7: Location Requirements

    Product information 3004517-2019-08-28 1.3 Location requirements Location The air handling unit is designed for indoor fitting. Outdoor VEX100H:The VEX100 horizontal model can be ordered for outdoor installation, in which case it is provided with a cover (accessory VEX100OD). 1.3.1 Space requirements The drawing below indicates how much space is needed for opening the doors and servicing the unit, e.g.
  • Page 8 ● thermal loss Condensation Condensation in the ducts may occur when the exhaust/outdoor air has high hu- midity. EXHAUSTO recommends a condensation outlet is also fitted at the lowest point in the ducts. Outdoor air intake The outdoor air intake must be dimensioned with sufficiently low airflow to prevent rain and snow being drawn into the duct system.

  • Page 9: Description

    Product information 3004517-2019-08-28 1.4 Description 1.4.1 VEX unit design The following drawings show an overview of the design of left and right models of VEX units (shown without door). 2,1,A 1,2,A 2,2,A 1,1,A 2,1,A 1,2,A 2,2,A 1,1,A 9/36...

  • Page 10: Parts Of The Vex Unit

    Product information 3004517-2019-08-28 Pos. Part Function Spigot 2.1.A Outdoor air spigot The spigot can also be posi- tioned on the top of the air handling unit (2.1.B). Closing damper LS Closing damper - outdoor air, LSF Outdoor air filter Filters outdoor air Bypass damper For operation with heat recovery, the bypass damper is closed so that the air passes through...

  • Page 11: Principal Dimensions, Horizontal Vex

    Product information 3004517-2019-08-28 1.5 Principal dimensions, Horizontal VEX VEX170H, Left The following drawing gives the principal dimensions: 2200 1,2,B 2,1,B 2,1,A 1,2,A 1" 2,2,A 1,1,A DN32 2,2,B 1240* 1190 2,1,A 1,2,A 2,2,A 1,1,A The drawing shows all of the spigot positioning options. * Allow a distance for service in front of the unit equivalent to the unit depth.
  • Page 12 Product information 3004517-2019-08-28 2200 1,2,B 2,1,B 2,1,A 1,2,A 1" 2,2,A 1,1,A DN32 2,2,B 1240* 1190 2,1,A 1,2,A 2,2,A 1,1,A The drawing shows all of the spigot positioning options. * Allow a distance for service in front of the unit equivalent to the unit depth. ** Allow a min.

  • Page 13: Handling

    Handling 3004517-2019-08-28 2. Handling 2.1 Unpacking Supplied compo- The following components are supplied: nents ● VEX unit ● Supplied accessories (as indicated in the checklist on the front page of the in- structions). Packaging The unit is delivered on a disposable pallet and packed in clear plastic. Once the plastic has been removed, the unit must be protected against dirt and dust: ●...
  • Page 14 Handling 3004517-2019-08-28 Method Drawing Note - without dis- posable pallet There is a risk of dam- aging the base of the unit if the forks on the lifting equipment are in- sufficiently long and the disposable pallet is not used. Pallet truck or fork-lift truck - without dis- posable pallet: Use...

  • Page 15: Passage Through Openings

    Handling 3004517-2019-08-28 Method Drawing Crane: Use straps and lifting yokes to prevent dam- age to the unit. 2.2.1 Passage through openings Height The height of the VEX is 1895 mm. Width The list (below) shows how wide the opening has to be for the unit to pass through: If the opening width is ...*) Response...
  • Page 16 Handling 3004517-2019-08-28 Removing the serv- To remove the service doors: ice doors ● Open both doors. ● Using a small punch or similar tool, knock the pin out of the top of the door hinges (A), and lift the doors off. Detail A To remove the fan unit...
  • Page 17 Handling 3004517-2019-08-28 Pull the fan unit out to the stop (two screws) on the sliding rail. Dismount the motor cable from the motor con- trol on the sliding panel and pull it towards the motor through the rubber grommets. Remove the two sliding rail screws. The fan unit can now be lifted off.

  • Page 18: Mechanical Assembly

    After installation, check the VEX unit is completely level. 3.1.2 Integral mounting base The EXHAUSTO integral mounting base enables the air handling unit to be installed correctly. The base is equipped with adjustable machine shoes, so that the air han- dling unit can be fitted horizontally on a surface that is not level ( +/- 20 mm per me- tre).

  • Page 19: Water Heating Coil

    Solution with HT Use HT pipe (HT, DN32, DIN4102), if the above solution is not employed (not sup- pipe plied by EXHAUSTO). 3.3 Water heating coil 3.3.1 Principles for connecting the water heating coil Mixing loop The diagrams below are simplified. The dimensioning of valves, pipes, etc. and heating coil connection must always be carried out by authorised fitters in accord- ance with applicable regulations and legislation.
  • Page 20 Mechanical assembly 3004517-2019-08-28 Type Principle Simplified diagram Mixing Variable flow in the primary loop 1 circuit (supply) and constant flow in secondary circuit (VEX unit) Mixing Variable flow in the primary loop 2 circuit (supply) and constant flow in secondary circuit (VEX unit) a) When there is no heating requirement, valve adjust-...

  • Page 21: Mvm Valve

    I - AB Pressure difference regulator* Impurity trap* *) not EXHAUSTO delivery (refer to the technical specifications in section 7). Bleeding Following connection of water supply to the unit: ● Bleed the system thoroughly using the upper bleed screw on the water heat-...
  • Page 22 Mechanical assembly 3004517-2019-08-28 MVM-OD, valve for Horizontal VEX:If MVM_OD (MVM designed for outdoor fitting) is used, the outdoor fitting screening and insulation are part of the delivery. MVM-OD option only available with valve sizes below 6.3 Kvs. 22/36...

  • Page 23: Electrical Installation

    Electrical installation 3004517-2019-08-28 4. Electrical installation 4.1 Electrical installation See the attached instructions "Guide to Electrical Installation of VEX170-X with water heating coil". 23/36...

  • Page 24: Maintenance, Hygiene And Servicing

    ● Use of non-original filters may cause leakage in the VEX unit, impair filter function and cause an extraordinary pressure drop. ● EXHAUSTO recommends that you register the filter replacement date to en- sure filters are replaced at the correct intervals.

  • Page 25: Servicing And Cleaning

    Maintenance, hygiene and servicing 3004517-2019-08-28 The outdoor air side of the unit must as a minimum be fitted with an ePM 55% filter (F7) to meet VDI 6022 requirements. 5.3 Servicing and cleaning 5.3.1 Filter replacement Disconnect power at the isolation switch before opening the door.

  • Page 26: Airflow Measurement

    Maintenance, hygiene and servicing 3004517-2019-08-28 Step 1-9 Action There are two bypass motors on the crossflow heat exchanger. Slightly pull the heat ex- changer out of the VEX and remove the plug from each bypass motor. Hold down the split pin under the plug using a screw driver, see images: Remove the crossflow heat exchanger.
  • Page 27 Maintenance, hygiene and servicing 3004517-2019-08-28 Pressure drop across: Extract air filter Δp [Pa] 1.1X 1.1Y Supply air filter Δp [Pa] 2.1X 2.1Y Location of meas- The location of measurement points is shown on the drawing. The exterior meas- urement points uring points positions on the VEX are shown in the drawings in the section "De- scription".
  • Page 28 Maintenance, hygiene and servicing 3004517-2019-08-28 Supply air Supply airflow diagram: Extract air Extract airflow diagram: 28/36...

  • Page 29: Technical Data

    Technical data 3004517-2019-08-28 6. Technical data 6.1 Weight, corrosion class, temperature ranges, etc. Weight VEX total weight 665 kg Doors 2 x 29 kg Crossflow heat exchanger 124 kg Fan unit 2 x 36 kg VEX for transporting into building (without doors, heat exchanger 411 kg and fan unit) Corrosion class...

  • Page 30: Panel Filters

    Technical data 3004517-2019-08-28 6.2 Panel filters VEX170 Data Device Dimensions: h x w, 1 item per air direction 800 x 564 Panel filter thickness Temperature resistant to °C Filter class according to ISO 16890 Filter class according to EN 779 Final pressure drop For the final pressure drop over the filter, the lower of the following two methods is recommended.

  • Page 31: Water Heating System

    2 Number of circuits qty. 11 Pipe connection DN25 (1") Fin spacing 2 mm Permissible media temperature 5..0.95℃ Recommendation A precise calculation of the heating coil is recommended, to be carried out with calculation program EXselect, available on www.exhausto.dk. 31/36...

  • Page 32: Capacity Diagram

    Air flow rate Recommendation You are recommended to make a more precise calculation of the unit's capacity with the EXselect calculation program, available on the EXHAUSTO web- site. 6.5 EC Declaration of Conformity The document is located in the door of the VEX unit. It is also available on the EX- HAUSTO website by searching under the document or order number.

  • Page 33: Environmental Declaration

    3004517-2019-08-28 Contact: Contact your local EXHAUSTO office service department to order a spare part. Contact information is given on the back cover of these instructions. See also the "Layout" section for an overview of the position and designation of parts in the VEX.
  • Page 34 3004517-2019-08-28 34/36...
  • Page 35 3004517-2019-08-28 35/36...

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Vex170

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