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Exhausto VEX160 Original Instructions Manual

Control system with water heating coil hcw
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3004516-2019-08-28
VEX160 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
VEX160-X
Original instructions

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  • Page 1 VEX160-X 3004516-2019-08-28 VEX160 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 Original instructions EXHAUSTO A/S Tel. +45 65 66 12 34...

  • Page 2: Table Of Contents

    3004516-2019-08-28 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..................6 1.3.1. Space requirements..................7 1.3.2. Requirements for underlying surface............... 8 1.3.3. Condensation outlet..................8 1.3.4. Requirements for duct system................. 8 1.4.
  • Page 3 3004516-2019-08-28 6. Technical data 6.1. Weight, corrosion class, temperature ranges, etc..........36 6.2. Panel filters......................37 6.3. Water heating system..................38 6.4. Capacity diagram....................39 6.5. EC Declaration of Conformity................39 6.6. Ordering spare parts................... 39 6.7. Environmental declaration..................40 3/44...
  • 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. 5/44...

  • 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: Space Requirements

    Product information 3004516-2019-08-28 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 drawings below show how much space is needed for opening the doors and servicing the air handling unit, e.g.

  • Page 8: Requirements For Underlying Surface

    Product information 3004516-2019-08-28 Vertical VEX 1.3.2 Requirements for underlying surface Horizontal and Ver- When floor-mounting the unit, the surface must be: tical VEX ● flat ● level (+/- 3 mm per metre) ● hard ● resistant to vibration 1.3.3 Condensation outlet A condensation outlet must be installed in the immediate vicinity of the unit.

  • Page 9: Description

    3004516-2019-08-28 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 10 Product information 3004516-2019-08-28 2,1,A 1,2,A 2,2,A 1,1,A Pos. 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 (accessory) Outdoor air filter Filters outdoor air Bypass damper For operation with heat recovery, the bypass damp-...
  • Page 11 Product information 3004516-2019-08-28 Pos. Function Closing damper LS Closing damper – exhaust air, LSA (accessory) Spigot 1.2.A Extract air spigot. The spigot can also be positioned on the top of the air handling unit (1.2.B) Connection box Positioning of terminal board for electrical connec- tion Extraction plate Positioning of motor controls...

  • Page 12: Vertical Vex - Design

    Product information 3004516-2019-08-28 1.4.2 Vertical VEX - design VEX unit design The following drawings show an overview of the design of left and right models of VEX units (shown without door). 2,2,B 1,2,B 1,1,B 2,1,B 2,2,B 1,2,B 1,1,B 2,1,B 12/44...

  • Page 13: Parts Of The Vex Unit

    Product information 3004516-2019-08-28 Pos. Part Function Outdoor air filter Filters outdoor air Bypass damper For operation with heat recovery, the bypass damper is closed so that the air passes through the crossflow heat exchanger. For bypass opera- tion, the damper is open, and the air bypasses the heat exchanger Condensation tray Collects the condensate and drains it away from...

  • Page 14: Principal Dimensions, Horizontal Vex

    Product information 3004516-2019-08-28 1.5 Principal dimensions, Horizontal VEX VEX160H, Left The following drawing gives the principal dimensions: 1820 1,2,B 2,1,B 2,1,A 1,2,A 3/4" 2,2,A 1,1,A DN32 2,2,B 940* 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 15 Product information 3004516-2019-08-28 VEX160H, Right The following drawing gives the principal dimensions: 1820 1,2,B 2,1,B 2,1,A 1,2,A 3/4" 2,2,A 1,1,A DN32 2,2,B 940* 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 16: Principal Dimensions, Vertical Vex

    Product information 3004516-2019-08-28 1.6 Principal dimensions, Vertical VEX VEX160V, Left The following drawing gives the principal dimensions: 1400 2,1,A 1081 1,2,A 2,2,A 3/4" 2,2,B 1,2,B 95** 2,1,B 1,1,B 2,1,A DN32 1025 1,2,A 2,2,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 17 Product information 3004516-2019-08-28 VEX160V, Right The following drawing gives the principal dimensions: 1400 2,1,A 1081 1,2,A 3/4" 2,2,A 2,2,B 1,2,B 95** 2,1,B 1,1,B 2,1,A DN32 1025 1,2,A 2,2,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 18: Handling

    Handling 3004516-2019-08-28 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 19: Transport Of Vertical Air Handling Units

    Handling 3004516-2019-08-28 Method Drawing Using pallet truck or fork-lift truck: Lift the VEX unit on the disposa- ble pallet. IMPORTANT: If the disposable pallet cannot be used, the forks on the lifting equipment must be long enough to prevent damage to the bottom of the unit.

  • Page 20: Passage Through Openings

    Handling 3004516-2019-08-28 Method Drawing Using pallet truck or fork-lift truck: Lift the VEX unit on the disposa- ble pallet. IMPORTANT: If the disposable pallet cannot be used, the forks on the lifting equipment must be long enough to prevent damage to the bottom of the unit.

  • Page 21: Internal Transport With Reduced Weight

    Handling 3004516-2019-08-28 2.2.4 Internal transport with reduced weight Weight reduction The air handling unit's weight can be reduced during transport by removing serv- ice doors, fans and crossflow heat exchanger. The table below shows how much weight can be reduced by removing the various parts. Parts Weight, VEX160H and VEX160V Fan, 2 items at...
  • Page 22 Handling 3004516-2019-08-28 Horizontal and Ver- To remove the service doors: tical VEX: Remov- ● Open both doors. ing the service ● Using a small punch or similar tool, knock the pin out of the top of the door doors hinges (A), and lift the doors off. Hori- zontal Detail A...
  • Page 23 Handling 3004516-2019-08-28 To remove the fan unit Step Action Remove the fixing screw from the sliding rail, and release the ties on the motor cable. 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.
  • Page 24 Handling 3004516-2019-08-28 To remove the fan unit Step Action Remove the fixing screw from the sliding rail, and release the ties on the motor cable. Pull the fan unit out to the stop (two screws) on the sliding rail. Dismount the motor cable from the motor control on the sliding panel and pull it to- wards the motor through the rubber grom- mets.

  • Page 25: Mechanical Assembly

    After installation, check the VEX unit is completely level. 3.1.2 Installation on mounting base The EXHAUSTO mounting base enables the VEX unit to be installed correctly. The base is equipped with adjustable levelling screws, so that the air handling unit can be fitted horizontally on a surface that is not level ( +/- 20 mm per metre).

  • Page 26: 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). If the VEX is erected on a mounting base, this will allow sufficient free height for installing a water trap.
  • Page 27 Mechanical assembly 3004516-2019-08-28 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 28: 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 29 Mechanical assembly 3004516-2019-08-28 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. 29/44...

  • Page 30: Electrical Installation

    Electrical installation 3004516-2019-08-28 4. Electrical installation 4.1 Electrical installation See the attached instructions "Guide to Electrical Installation of VEX160-X with water heating coil". 30/44...

  • Page 31: 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 32: Servicing And Cleaning

    Maintenance, hygiene and servicing 3004516-2019-08-28 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 33: Airflow Measurement

    Maintenance, hygiene and servicing 3004516-2019-08-28 Step 1-9 Action Slightly pull the heat exchanger out of the VEX and remove the plug from the bypass mo- tor. Hold down the split pin under the plug using a screw driver, see images: Remove the crossflow heat exchanger.
  • Page 34 Maintenance, hygiene and servicing 3004516-2019-08-28 Airflow: Airflow q (l/s, m /h) can be read from the dif- ferential pressure Δp [Pa] Extract air Δp [Pa] M1.2 1.2X 1.2Y Supply air Δp [Pa] M2.2 2.2X 2.2Y Pressure drop across: Extract air filter Δp [Pa] 1.1X...
  • Page 35 Maintenance, hygiene and servicing 3004516-2019-08-28 Supply air Supply airflow diagram: Extract air Extract airflow diagram: 35/44...

  • Page 36: Technical Data

    Technical data 3004516-2019-08-28 6. Technical data 6.1 Weight, corrosion class, temperature ranges, etc. Weight VEX total weight 360 kg Doors 2 x 24 kg Crossflow heat exchanger 51 kg Fan unit 2 x 26 kg VEX for transporting into building (without doors, heat exchanger 209 kg and fan unit) Corrosion class...

  • Page 37: Panel Filters

    Technical data 3004516-2019-08-28 6.2 Panel filters VEX160 Data Device Dimensions: h x w, 1 item per air direction 700 x 838 Panel filter thickness Temperature resistant to °C Filter class according to ISO 16890 Filter class according to EN 779...

  • Page 38: Water Heating System

    2 Number of circuits qty. 5 Pipe connection DN20 (¾") Fin spacing 2.1 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. 38/44...

  • Page 39: 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 40: Environmental Declaration

    3004516-2019-08-28 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.
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