Exhausto VEX150CF Original Instructions Manual
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Exhausto VEX150CF Original Instructions Manual

Control system with water heating coil hcw
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3005724-2023-03-30
VEX150CF 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
Original instructions

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Summary of Contents for Exhausto VEX150CF

  • Page 1 3005724-2023-03-30 VEX150CF 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

    3005724-2023-03-30 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....................7 1.3.3. Condensation outlet........................8 1.3.4. Requirements for duct system......................8 1.4.
  • Page 3 3005724-2023-03-30 6.7. Environmental declaration........................39 3/40...
  • Page 4 Scope This instruction manual is for use with EXHAUSTO VEX-type air handling units. Please refer to the product instructions regarding accessories and extra equipment. The instructions must be fully observed to ensure personal safety and to protect the equipment and ensure its correct operation.
  • Page 5 3005724-2023-03-30 Information 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. 5/40...

  • 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 3005724-2023-03-30 Outdoor VEX100H:The VEX100 horizontal model can be ordered for outdoor installation, in which case it is pro- vided 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: Condensation Outlet

    ● sound ● thermal loss Condensation Condensation in the ducts may occur when the exhaust/outdoor air has high humidity. 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 3005724-2023-03-30 1.4 Description 1.4.1 Horizontal VEX - design VEX unit construc- The following drawings show an overview of the design of left and right models of VEX units (shown tion without door). 2,1,A 1,2,A 2,2,A 1,1,A Left RD13921-01 2,1,A 1,2,A 2,2,A...
  • Page 10 Product information 3005724-2023-03-30 Pos. Function Spigot 2.1.A Outdoor air spigot The spigot can also be positioned 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 damper is closed so that the air passes through the counterflow heat exchanger.

  • Page 11: Vertical Vex - Design

    Product information 3005724-2023-03-30 1.4.2 Vertical VEX - design VEX unit construc- The following drawings show an overview of the design of left and right models of VEX units (shown tion without door). 2,2,B 1,2,B 1,1,B 2,1,B Left 2,2,B 1,2,B 1,1,B 2,1,B 19 20 Right...

  • Page 12: Parts Of The Vex Unit

    Product information 3005724-2023-03-30 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 counterflow heat exchanger. For bypass operation, the damper is open, and the air bypasses the heat exchanger Condensation tray Collects the condensate and drains it away from the cross-flow...
  • Page 13 Product information 3005724-2023-03-30 1600 2,1,B 1,2,B 2,1,A 1,2,A ½" 2,2,A 1,1,A DN32 2,2,B 835* 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 14: Principal Dimensions, Vertical Vex

    Product information 3005724-2023-03-30 1600 2,1,B 1,2,B 2,1,A 1,2,A ½" 2,2,A 1,1,A DN32 2,2,B 835* 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 15 Product information 3005724-2023-03-30 1450 2,1,A 1181 1,2,A 2,2,A ½" 1,2,B 2,2,B 95** 2,1,B 1,1,B 2,1,A DN32 1125 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 16 Product information 3005724-2023-03-30 1450 2,1,A 1181 1,2,A ½" 2,2,A 1,2,B 2,2,B 95** 2,1,B 1,1,B 2,1,A DN32 1125 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 17: Handling

    Handling 3005724-2023-03-30 2. Handling 2.1 Unpacking Delivery The following components are supplied: ● VEX unit ● Accessories supplied 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 18: Transport Of Vertical Air Handling Units

    Handling 3005724-2023-03-30 Method Drawing Pallet truck or fork-lift truck: Lift the VEX unit on the disposable pallet. IMPORTANT: If the disposable pallet cannot be used, the forks on the lifting equipment must be long enough to pre- vent damage to the bottom of the unit. Crane: Never lift the VEX unit with the lifting brackets by us-...

  • Page 19: Passage Through Openings

    Handling 3005724-2023-03-30 Method Drawing Using pallet truck or fork-lift truck: Lift the VEX unit on the disposable pallet. IMPORTANT: If the disposable pallet cannot be used, the forks on the lifting equipment must be long enough to pre- vent damage to the bottom of the unit. Crane: Never lift the VEX unit with the lifting brackets by us-...

  • Page 20: Internal Transport With Reduced Weight

    The air handling unit's weight can be reduced during transport by removing service doors, fans and counterflow heat exchanger. The table below shows how much weight can be reduced by removing the various parts. Parts Weights, VEX150CF Fan, 2 items at 20 kg = 40 kg Counter flow heat exchangers, 1 item at...
  • Page 21 Handling 3005724-2023-03-30 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 hinges (A), and lift the doors doors off.
  • Page 22 Handling 3005724-2023-03-30 Horizontal VEX 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 towards the motor through the rubber grommets.
  • Page 23 Handling 3005724-2023-03-30 To remove the fan unit Step Action Remove the fixing screw from the sliding rail, and re- lease the ties on the motor cable. Pull the fan unit out to the stop (two screws) on the slid- ing rail. Dismount the motor cable from the motor control on the sliding panel and pull it towards the motor through the rubber grommets.

  • Page 24: Mechanical Assembly

    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 25 Mechanical assembly 3005724-2023-03-30 Solution with si- The siphon water trap is easy to install and service. phon water trap (ac- cessory) Solution with HT Use HT pipe (HT, DN32, DIN4102), if the above solution is not employed (not supplied by EXHAUS- pipe TO).

  • Page 26: Water Heating Coil

    Mechanical assembly 3005724-2023-03-30 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 accordance with applicable regulations and legisla- tion.

  • Page 27: Bleeding Of Coils

    Cirkulationspumpe* I - AB Trykdifferensregulator* Snavssamler* *) not EXHAUSTO delivery (refer to the technical specifications). Insufficient bleed- Insufficient bleeding can result in still water forming in the system, which may re- sult in frost-induced leaks during the winter. Fitting motor valve...

  • Page 28: Mvm Valve

    Mechanical assembly 3005724-2023-03-30 Air screw 3.3.3 MVM valve Definition MVM is used as a general term for an engine valve. Screening Screen the valve motor from direct sunlight. Due to heat emissions, the valve motor must not be en- capsulated (max. ambient temperature: 50°C). Insulating the valve To ensure normal operation at ambient temperatures below 0°C, it is very important that the valve sec- tion is insulated according to current standards/procedures.

  • Page 29: Electrical Installation

    Electrical installation 3005724-2023-03-30 4. Electrical installation 4.1 Electrical installation See the attached instructions "Guide to Electrical Installation of VEX150-X with water heating coil". 29/40...

  • Page 30: Maintenance, Hygiene And Servicing

    5.1 Maintenance *Filters Only use original EXHAUSTO filters ● The provided filter data (section "Technical data") are based on the use of original EXHAUSTO fil- ters ● Eurovent certification is only valid if original filters are used. ● Use of non-original filters may cause leakage in the VEX unit, impair filter function and cause an extraordinary pressure drop.

  • Page 31: Servicing And Cleaning

    Maintenance, hygiene and servicing 3005724-2023-03-30 5.3 Servicing and cleaning 5.3.1 Filter replacement Disconnect power at the isolation switch before opening the door. Pull the filters out. Remember to check the flow direction - see the arrows on the filter. Discarded filters must be stored immediately in sealed plastic bags and disposed of responsibly. 5.3.2 Cleaning the fans Step Action...

  • Page 32: Cleaning The Counterflow Heat Exchanger

    Maintenance, hygiene and servicing 3005724-2023-03-30 The counterflow heat exchanger fins can be easily damaged - avoid contact with the fins when handling. 5.3.5 Cleaning the counterflow heat exchanger Step Action Remove the plug from the bypass motor. Hold down the split pin under the plug using a screw driver as shown on photo Then remove the plug Carefully remove the bypass (do not wrench it out)

  • Page 33: Airflow Measurement

    Maintenance, hygiene and servicing 3005724-2023-03-30 Step Action Remove the counterflow heat exchanger all the way. Note the weight of the heat exchanger, see technical data – min. two people when lifting. Clean the counterflow heat exchanger by flushing with hot water or by pressure hosing. Max.
  • Page 34 Maintenance, hygiene and servicing 3005724-2023-03-30 Location of meas- The location of measurement points is shown on the drawing. The exterior measuring points positions urement points on the VEX are shown in the drawings in the section "Description". Supply air Supply airflow diagram: 34/40...
  • Page 35 Maintenance, hygiene and servicing 3005724-2023-03-30 Extract air Extract airflow diagram: 35/40...

  • Page 36: Technical Data

    Technical data 3005724-2023-03-30 6. Technical data 6.1 Weight, corrosion class, temperature ranges, etc. Weight VEX total weight 330 kg Doors 2 x 26 kg Counterflow heat exchanger 31 kg Fan unit 2 x 20 kg VEX for internal transport (without doors, heat exchanger and fan unit) 247 kg Corrosion class Corrosion class...

  • Page 37: Panel Filters

    Technical data 3005724-2023-03-30 6.2 Panel filters VEX150 Data Device Dimensions: h x w, 1 item per air direction 577 x 732 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 38: Water Heating System

    EXHAUSTO website. 6.5 EC Declaration of Conformity The document is located in the door of the VEX unit. It is also available on the EXHAUSTO website by searching under the document or order number. 6.6 Ordering spare parts Find production When ordering spares, please state the relevant production part number.
  • Page 39 Technical data 3005724-2023-03-30 6.7 Environmental declaration Environmental doc- The unit can be disassembled into individual product parts when worn out and in need of disposal. umentation Product parts Material Handling Sheet parts Aluzinc Recycle after disassembly Condensation tray Stainless steel Recycle after disassembly Bypass dampers, heat ex- Aluminium...

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