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Exhausto VEX300 Series Mechanical Manuallines

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3004802-2018-01-05
VEX370HX
Mechanical guidelines
For third party control system
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
VEX370HX
Unit supplied with (factory fitted):
Bag filter, FB
M5-compact filter, FP
F7-compact filter, FP
OD - roof for outdoor
Mounting base, (unassembled)
Motor controller
HCW370I - Integrated heating coil (water)
The following accessories are supplied
separately:
HCW-heating coil (water), duct-fitted
Motor valve, MVM ______K
-value
vs
Motor valve outdoor, MVM-OD
(partially mounted)
DX cooling/heating coil
CCW-cold water coil
Closing damper, LS600x1200, (LSA exhaust)
Closing damper, LS600x1200, (LSF outdoor)
Closing damper, LSR600x1200, with
spring-return (LSAR exhaust)
Closing damper, LSR600x1200, with
spring-return (LSFR outdoor)
Serial no.:
Prod.order no.:
Sales order no.:
Original instructions

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Summary of Contents for Exhausto VEX300 Series

  • Page 1 Sales order no.: 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

    3004802-2018-01-05 1. Product information 1.1. Designations used in these instructions.............6 Model overview....................6 1.1.1. Designations used in these instructions............7 1.2. Application......................7 1.3. Location requirements..................8 1.3.1. Space requirements..................8 1.3.2. Requirements for underlying surface............... 8 1.3.3. Outlet.......................8 1.3.4. Requirements for duct system................. 9 1.4.
  • Page 3 3004802-2018-01-05 6.3. Bag filters......................39 6.4. Integrated water heating coil HCWi..............39 6.4.1. MVM motor valve ..................40 6.5. Capacity diagram....................41 6.5.1. Capacity diagram, ventilation with heat recovery...........41 6.5.2. Capacity diagram, ventilation with bypass operation........42 6.6. Ordering spare parts................... 42 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 3004802-2018-01-05 Rating plate The VEX unit rating plate shows: ● VEX model (1) ● Production order no. (2) Always have the production number ready when contacting EXHAUSTO A/S. 5/44...

  • Page 6: Product Information

    Product information 3004802-2018-01-05 1. Product information 1.1 Designations used in these instructions Model overview Elements Explanation Compact filter Bag filter 1,1,A or B Extract air spigot NB: In cases where the unit has two spigots (extract air/flue gases), the filter is always lo- cated by the extract air spigot 1,2,A Exhaust air spigot...

  • Page 7: Designations Used In These Instructions

    Supply air motor 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 8: Location Requirements

    Product information 3004802-2018-01-05 1.3 Location requirements Positioning The air handling unit is designed for indoor fitting. The air handling unit can be or- dered for outdoor installation (accessory Outdoor, OD). 1.3.1 Space requirements The drawing below indicates how much space is required to open the side-mounted doors for servicing, replacing filters, cleaning, etc.

  • Page 9: Requirements For Duct System

    ● heating/cooling losses 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. No duct connection If one or more of the spigots is not connected to a duct: Fit a protective net to the spigots with a maximum mesh width of 20 1.4 Description...
  • Page 10 Product information 3004802-2018-01-05 Layout drawing, Right model 1,1,B/flue gas 2,2,B 2,2,A 1,1,A 1,2,A 2,1,A Pos. Part Function Spigot 1,1,A Extract air spigot The spigot can also be posi- tioned on the top of the unit (1,1,B). Does not apply to units designed for outdoor fitting Spigot 1,2,A Exhaust air spigot Closing damper LS...

  • Page 11: Main Aim

    Product information 3004802-2018-01-05 Fans The unit contains two centrifugal fans for exhaust air and supply air. Counter flow heat The unit's counterflow heat exchangers are made of aluminium and are highly effi- exchangers cient. The counterflow heat exchangers can be taken out and cleaned. See sec- tion "Servicing".
  • Page 12 Product information 3004802-2018-01-05 VEX370C, Right 1104 1,1,A 2,2,A 1,2,A 2,1,A DN32 1500 3268 1366 1200 1200 1,1,A 2,2,A 1200 1200 1,2,A 2,1,A 1) Allow for space in front of the VEX unit, so the doors can be opened 2) Allow for free height over the VEX unit, so the connection box can be serviced 3) The legs under the VEX unit can be adjusted for height between 55mm and 110mm.

  • Page 13: Handling

    Handling 3004802-2018-01-05 2. Handling 2.1 Unpacking Supplied compo- The following components are supplied: nents ● VEX unit with associated base. ● Supplied accessories (as indicated in the checklist on the front page of the in- structions) Packaging The unit is delivered in three sections on separate disposable pallets; packed in cardboard and clear plastic.

  • Page 14: Internal Transport With Reduced Weight

    Handling 3004802-2018-01-05 Width - fan sections The list below shows how large an opening has to be for the fan sections to pass through: If the opening width is Then Less than 900 mm The unit will not pass through Between 900 and 1,153 mm For fan section with integrated heating coil: ●...

  • Page 15: Integrated Water Heating Coil Hcwi

    Handling 3004802-2018-01-05 Section Subcomponents Weight Compact or bag filters, 3 items of 2 kg 6 kg weight Exchanger section, 1 x 430 Exchanger section, empty cabinet 285 kg Counter flow heat exchangers, 6 x 19 114 kg Doors, 2 x 15.5 kg 31 kg Integrated heating coil HCWI, 58 kg...
  • Page 16 Handling 3004802-2018-01-05 How to remove the doors (2 in no.) to the heat exchanger sections: ● Open the door ● Unscrew the door hinge from the front panel (1) and take the door off. To remove the fan unit DETAIL A Step Action Remove the fixing screws (1) on the sliding rail (out towards the operat-...

  • Page 17: Disassembly Of Integrated Heating Coil, Hcw370I

    Handling 3004802-2018-01-05 Removing the coun- See section "Servicing" ter flow heat ex- changers 2.2.3 Disassembly of integrated heating coil, HCW370I Step Action Support the heating coil before disassembling it. NB: The heating coil weighs 58 kg. - make sure there are at least two persons to lift the coil off.

  • Page 18: Mechanical Assembly

    Mechanical assembly 3004802-2018-01-05 3. Mechanical assembly 3.1 Installing the unit 3.1.1 Assembly instructions The assembly of VEX370 is divided into 4 steps as shown below, see the following sections for a detailed description of each step. Step 1, assemble the base Step 2, push the sections onto the base Step 3 - 4, tighten the VEX section joints Base...

  • Page 19: Step 1-4

    Mechanical assembly 3004802-2018-01-05 3.1.2 Step 1–4 Step 1, Base: Assemble the base as shown in the drawing below. Base assembly Drawing The base consists of the following parts: M10x35 M10x25 19/44...
  • Page 20 Mechanical assembly 3004802-2018-01-05 Base assembly Drawing The following tools are re- quired: 2x17mm 2x30mm Assemble the base levelling bolts, by tapping the threa- ded bar securely into the foot. Screw a nut onto the threa- ded bar and put a washer Lay the base parts on the floor with the top facing downwards, as shown in...
  • Page 21 Mechanical assembly 3004802-2018-01-05 Base assembly Drawing Assemble the long pieces: ● Front long piece: Join A, B and C with nuts M10x25 and bolts. ● Rear long piece: Join A, B, C and G with bolts and nuts. Fit the two small tension fit- tings (F) on each side of the short members (G) and se- cure firmly using nuts and...
  • Page 22 Mechanical assembly 3004802-2018-01-05 Base assembly Drawing Screw the last long piece on using nuts and bolts. M10x25 Screw the levelling bolts on the base with M20 nuts and washers Turn the base with legs down and place it so that the tension fittings face away from the operating side...
  • Page 23 Mechanical assembly 3004802-2018-01-05 Step 2, VEX sec- Manoeuvre the sections onto the base by pushing them directly from the pallet on- tions to the base. 1. Push a fan section onto the base first 2. Next, push the exchanger section onto the base 3.

  • Page 24: Condensation Drain

    Mechanical assembly 3004802-2018-01-05 Step 4, Smooth To ensure joints are sealed at the condensation tray, the transition between the joints at the con- bottom motor and the condensation tray must be sealed: densation tray Action Smooth the two joints (front and rear on the tran- sition) with a finger.

  • Page 25: Integrated Water Heating Coil

    3004802-2018-01-05 Solution with HT Use HT pipe (HT, DN32, DIN4102), if the above solution is not employed (not sup- pipe plied by EXHAUSTO). 3.3 Integrated 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 26 VEX for extraction of the fan section. Use a 90° bend on the heating coil con- nection spigots. *) not EXHAUSTO delivery (refer to the technical specifications in section 7). Bleeding Following connection of water supply to the unit: ●...

  • Page 27: Mvm Valve

    Mechanical assembly 3004802-2018-01-05 Fitting motor valve The valve must not be fitted with the motor facing down Insulate the water The pipes to and from the heating coil must be insulated accord- pipes ing to applicable regulations 3.3.2 MVM valve Screening Screen the valve motor from direct sunlight.

  • Page 28: Electrical Installation

    VEX360HX-370HX for third-party control system”. VEX350HX-360HX-370HX 3004838-2014-03-18 VEX350HX-360HX-370HX Electrical installation guide For third-party control 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 www.exhausto.dk 28/44...

  • Page 29: Maintenance

    ● EUROVENT certification is only valid if original filters are used ● Use of non-original filters may cause leakage in the VEX and impair filter function ● EXHAUSTO recommends that you register the filter replacement date to en- sure filters are replaced at the correct intervals 29/44...

  • Page 30: Hygiene

    Maintenance 3004802-2018-01-05 5.2 Hygiene VDI6022 air hygiene To ensure that the VEX300 meets the requirements of the VDI 6022 hygiene standard standard, its design ensures that: ● bacterial growth and dirt accumulation are minimal ● conditions for cleaning are optimum Filter F7 The outdoor air side of the unit must be fitted with a F7 filter to meet VDI 6022 requirements.
  • Page 31 Maintenance 3004802-2018-01-05 VEX370R Step Action Start by opening the door to the fan section (right-hand section for a left- hand unit) and release the 6 tension- ers: turn the tensioner clockwise 7 times. Loosen the finger screws on the brack- et.
  • Page 32 Maintenance 3004802-2018-01-05 Step Action Remove the sealing profile in front of the heat exchangers (unhooks). Remove the sealing panel between the heat exchangers (pull the handle). Remove the first heat exchanger. NB: A single heat exchanger weighs 19 kg. Push the other heat exchanger to the side and remove it also.

  • Page 33: Servicing And Cleaning

    Maintenance 3004802-2018-01-05 Step Action Use the first of the two panels on the inside of the door in the heat exchang- er section as an underlay for the next row of heat exchangers. Lay the panel at the side from which the heat ex- changer is to be removed.

  • Page 34: Airflow Measurement

    Maintenance 3004802-2018-01-05 Step Action Vacuum clean the heating coil Cold water coil: clean the condensation tray Scan the QR code and see the video about removal 5.4 Airflow measurement 5.4.1 Determining airflow and pressure Use the formulae in the table to calculate airflow and pressure drop over the filters. Airflow: Airflow q (l/s, m...
  • Page 35 Maintenance 3004802-2018-01-05 Location of meas- The location of measurement points is shown on the drawing: urement points 1.1X 2.2X 1.1Y 2.2.A 1.1.A 2.2Y 1.2Y 1.2.A 2.1.A 2.1Y 1.2X 2.1X 2.2Y 2.2X 2.1Y 2.1X Supply air: Airflow diagram for supply air 35/44...
  • Page 36 Maintenance 3004802-2018-01-05 Extract air: Airflow diagram for extract air 36/44...

  • Page 37: Technical Data

    Technical data 3004802-2018-01-05 6. Technical data 6.1 Weight, corrosion class, temperature ranges, etc. Weight Weight 1,018 kg Corrosion class Corrosion class Corrosion class C4 in accordance with EN ISO 12944-2 Temperature ranges Outdoor air temperature -40ºC to +35ºC Ambient temperature -30ºC to +50ºC At temperatures below -25˚C (with outdoor installation), use of a thermostatically controlled heater in automated control box is recommended.

  • Page 38: Compact Filters

    Technical data 3004802-2018-01-05 6.2 Compact filters Pressure loss curves for M5 and F7 filters Filter data Filter panel h x b (qty. 3 per air direction) 414 x 750 414 x 750 Panel filter thickness Efficiency 45 % 85 % Recommended difference between final pres- +100 Pa +100 Pa...

  • Page 39: Bag Filters

    Technical data 3004802-2018-01-05 6.3 Bag filters Pressure loss curves for M5 and F7 filters Filter data Filter area h x b (qty. 2 per air direction) 2 x 592 x 592mm 2 x 592 x 592mm Total number bags x depth 2 x 6 x 520mm 2 x 10 x 520mm Volume flow rate...

  • Page 40: Mvm Motor Valve

    Fin spacing 2.3 mm Permissible media temperature 5..0.95°C Recommendation A precise calculation of the heating coil is recommended, to be carried out with calculation program EXselect, available on www.exhausto.dk. 6.4.1 MVM motor valve Valve 1.0 - 4.0 Test pressure 1600 kPa 1600 kPa Max.

  • Page 41: Capacity Diagram

    Technical data 3004802-2018-01-05 6.5 Capacity diagram 6.5.1 Capacity diagram, ventilation with heat recovery Ventilation with heat recovery Capacity diagram with M5 filters SFP-curve (J/m ) Operating curves A: Pressure supplement with F7 filters B: Pressure supplement with cold water coil/ heating coil 41/44...

  • Page 42: Capacity Diagram, Ventilation With Bypass Operation

    VEX guidelines and on the 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 position and designation of parts in the VEX.
  • Page 43 3004802-2018-01-05 43/44...

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