Exhausto VEX150CF Original Instructions Manual
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Exhausto VEX150CF Original Instructions Manual

Vertical hcw with exact2 control
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3005697-2023-03-28
VEX150CF Vertical HCW
with EXact2 control
Product information............................................................... Chapter 1 + 6
Mechanical assembly............................................................ Chapter 2 + 3
Electrical installation.............................................................. Chapter 4
Maintenance.......................................................................... Chapter 5
EXHAUSTO A/S
Odensevej 76
5550 Langeskov, Denmark
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 3005697-2023-03-28 VEX150CF Vertical HCW with EXact2 control 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 5550 Langeskov, Denmark exhausto@exhausto.dk...

  • Page 2: Table Of Contents

    3005697-2023-03-28 1. Product information 1.1. Designations used in these instructions....................5 1.1.1. Simplified diagram.......................... 5 1.2. Application.............................. 6 1.3. Location requirements........................... 6 1.3.1. Space requirements........................6 1.3.2. Requirements for underlying surface....................6 1.3.3. Condensation outlet........................6 1.3.4. Requirements for duct system......................7 1.4.
  • Page 3 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 4 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. Choose the correct documentation for the task... Find your information. Assembly and Print out from...

  • Page 5: Product Information

    Product information 3005697-2023-03-28 1. Product information 1.1 Designations used in these instructions 1.1.1 Simplified diagram Component Function Standard/accessory Water heating coil Standard TE-RPT Temperature sensor in return pipe from water heating coil (internal) Standard MPT1, P1 Airflow control, extract air Accessories MPT1, P2 Airflow control, supply air...

  • Page 6: Application

    3005697-2023-03-28 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: Requirements For Duct System

    ● sound leakage ● heating/cooling losses 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 8: Description

    Product information 3005697-2023-03-28 1.4 Description 1.4.1 VEX unit construction The following drawings show an overview of the construction of left and right-hand models of VEX units (shown without doors). 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 Right 8/32...

  • Page 9: Parts Of The Vex Unit

    Product information 3005697-2023-03-28 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 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 counterflow heat exchang- er to the condensation outlet...
  • Page 10 Product information 3005697-2023-03-28 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 11 Product information 3005697-2023-03-28 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 12: Handling

    Handling 3005697-2023-03-28 2. Handling 2.1 Unpacking 2.1.1 Once the VEX has arrived ● Check the air handling unit and any supplied accessories for any transport damage immediately on arrival at the assembly site. ● Check that the delivery is complete. If there is damage or something is missing, point this out immediately to the haulier.

  • Page 13: Passage Through Openings

    Handling 3005697-2023-03-28 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 14: 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 15 Handling 3005697-2023-03-28 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 16: 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 17 Mechanical assembly 3005697-2023-03-28 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 18: Water Heating Coil

    Mechanical assembly 3005697-2023-03-28 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 19: Bleeding Of Coils

    Cirkulationspumpe* I - AB Trykdifferensregulator* Snavssamler* *) not EXHAUSTO delivery (refer to the technical specifications). 3.3.2 Bleeding of coils Bleeding It is the responsibility of the contractor/customer to ensure that the bleeding option is correctly installed and that the building owner is informed of the risk of insufficient bleeding, regardless of whether the coil(s) in question are built into a ventilation system or mounted separately in the duct system.

  • Page 20: Mvm Valve

    Mechanical assembly 3005697-2023-03-28 The following must be observed when bleeding liquid-coupled coils/heating and cooling batteries: ● The heating/cooling system must be arranged in accordance with DS469 so that they can be bled. ● Ventilation systems installed above suspended ceilings or outside on roofs are often the top point of the pipe system and therefore air is often collected in the system here.
  • Page 21 Mechanical assembly 3005697-2023-03-28 Exercise cycle of The circulation pump is exercised with the EXact2 control, as described here: circulation pump 1. When no heating is required, the MVM valve operates at 0%. 2. The circulation pump then runs for a further 5 min and then stops. 3.

  • Page 22: Electrical Installation

    Guide to Electrical Installation of VEX100 CF VEX100 CF with water heating coil and EXact2 Electrical installation........Chapter 1 + 2 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 23: Maintenance, Hygiene And Servicing

    Check function *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 24: Hygiene (Vex100Vdi Only)

    Maintenance, hygiene and servicing 3005697-2023-03-28 5.3 Hygiene (VEX100VDI only) VDI6022 air hygiene To ensure that the VEX100 meets the requirements of the VDI6022 hygiene standard, its design en- standard sures that: ● bacterial growth and dirt accumulation are minimal ● conditions for cleaning are optimum Filter ePM The outdoor air side of the unit must as a minimum be fitted with an ePM 55% filter (F7) to meet VDI...

  • Page 25: Cleaning The Counterflow Heat Exchanger

    Maintenance, hygiene and servicing 3005697-2023-03-28 Take care, as the counterflow heat exchanger is heavy - (see weight under Tech- nical Data) The counterflow heat exchanger fins can be easily damaged - avoid contact with the fins when handling. 5.4.5 Cleaning the counterflow heat exchanger Step Action Remove the plug from the bypass motor.
  • Page 26 Maintenance, hygiene and servicing 3005697-2023-03-28 Step Action Make sure the Tice sensor/fitting is free of the counterflow heat ex- changer before extracting it. Remove the counterflow heat exchanger all the way. Note the weight of the heat exchanger, see technical data – min.

  • Page 27: Technical Data

    Technical data 3005697-2023-03-28 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 28: Panel Filters

    Technical data 3005697-2023-03-28 Motor damper Motor damper type LS (closing damper) LSR (closing damper, spring return) Type LS400-24 LSR400-24 Designation LSA/LSF LSFR Motor type NM24-F AF-24 Rotation time 75–150 s open: 150 s close: 16 s Ingress protection IP42 IP42 Ambient temperature -20ºC to +50ºC -30ºC to +50ºC...

  • Page 29: Water Heating System

    0–10 VDC 0–10 VDC 6.4 Capacity diagram 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. 29/32...

  • Page 30: Ordering Spare Parts

    VEX rating plate. 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 po- sition and designation of parts in the VEX.
  • Page 31 3005697-2023-03-28 31/32...

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