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3004793-2023-04-18
VEX370H
Mechanical Assembly - EXact2 control system
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 brugsanvisning
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Summary of Contents for Exhausto VEX370H
- Page 1 3004793-2023-04-18 VEX370H Mechanical Assembly - EXact2 control system Product information............... Chapter 1 + 6 Mechanical assembly............Chapter 2 + 3 Electrical installation.............. Chapter 4 Maintenance................Chapter 5 Original brugsanvisning EXHAUSTO A/S Tel.: +45 65 66 12 34 Odensevej 76 Fax: +45 65 66 11 10 5550 Langeskov, Denmark exhausto@exhausto.dk...
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Page 2: Table Of Contents
3004793-2023-04-18 1. Product information 1.1. Designations used in these instructions....................5 Model overview..........................5 1.1.1. Designations used in these instructions..................6 1.2. Application.............................. 7 1.3. Location requirements........................... 7 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......................8 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 ● Or use a padlock. Use the handle’s built-in Lås padlock fixture Hængelåsbeslag 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. 4/44...
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Page 5: Product Information
Product information 3004793-2023-04-18 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 located by the extract air spigot 1,2,A Exhaust air spigot... -
Page 6: Designations Used In These Instructions
Product information 3004793-2023-04-18 Fan placement Air directions RIGHT 1,1,B 2,2,B 1,1,A 2,2,A 1,2,A 2,1,A Spigot location B option not available with outdoor models. 1.1.1 Designations used in these instructions The simplified diagram shows a VEX unit with LEFT fan placement. Component Function Bypass damper extract air/exhaust air... -
Page 7: Application
Temperature sensor, supply air 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: Space Requirements
Product information 3004793-2023-04-18 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. The drawing shows compact filters. For servicing purposes, a free height of at least 200 mm is required above the unit’s connection box. 1.3.2 Requirements for underlying surface When floor-mounting the unit, the surface must be: ●... -
Page 9: Description
● 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. 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 mm. - Page 10 Product information 3004793-2023-04-18 1,1,B/flue gas 2,2,B 2,2,A 1,1,A 1,2,A 2,1,A Pos. no. Part Function Spigot 1,1,A Extract air spigot The spigot can also be positioned 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...
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Page 11: Main Aim
Product information 3004793-2023-04-18 Pos. no. Part Function MPT3 Measures pressure loss across the counter flow heat exchang- Extract air filter Filters extract air. Cabinet The inside and outside of the cabinet is made of Aluzinc® The cabinet is insulated with 50 mm mineral wool. - Page 12 Product information 3004793-2023-04-18 VEX370H, Left 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 Product information 3004793-2023-04-18 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.
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Page 14: Handling
Handling 3004793-2023-04-18 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 15: Transport
Handling 3004793-2023-04-18 2.2 Transport 2.2.1 Passage through openings The sections' prin- Measurements are based on the exact dimensions of the VEX unit. cipal dimensions The VEX unit is shown with compact filters. 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... -
Page 16: Internal Transport With Reduced Weight
Handling 3004793-2023-04-18 Model Conditions SPLIT 1 ● VEX370 is supplied with normal fan sections, but the heat recovery section can be separated for transport through door openings of 900 x 2000 mm ● The VEX is assembled and joints sealed on site by the installer in accordance with the supplied in- structions SPLIT 2... - Page 17 Handling 3004793-2023-04-18 Removing the serv- To remove the service doors: ice doors Detail A Detail B How to remove the doors (2 in no.) to the fan sections: ● Open the door ● Tap the hinge door pin out from below using a small pin bolt or similar ●...
- Page 18 Handling 3004793-2023-04-18 To remove the fan unit DETAIL A Step Action Remove the fixing screws (1) on the sliding rail (out towards the operating side) Cut the cable ties holding the motor cable and the cable ties holding the measuring hose Pull the fan unit out to the end-stop (a screw on each rail acts as a stop) Remove the supply cable and the control cable in the motor control.
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Page 19: Disassembly Of Integrated Heating Coil, Hcw370I
Handling 3004793-2023-04-18 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. Open the door of the fan section nearest the heating coil and release the two snap locks (1) inside the VEX. -
Page 20: Mechanical Assembly
Mechanical assembly 3004793-2023-04-18 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 together Base... - Page 21 Mechanical assembly 3004793-2023-04-18 Dimensional draw- 3266 3216 1608 1608 21/44...
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Page 22: Step 1-4
Mechanical assembly 3004793-2023-04-18 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 22/44... - Page 23 Mechanical assembly 3004793-2023-04-18 Base assembly Drawing The following tools are required: 2x17mm 2x30mm Assemble the base levelling bolts, by tapping the threaded bar se- curely into the foot. Screw a nut onto the threaded bar and put a washer on. Lay the base parts on the floor with the top facing downwards, as shown in the illustration.
- Page 24 Mechanical assembly 3004793-2023-04-18 Base assembly Drawing Assemble the long pieces: ● Front long piece: Join A, B and C with nuts and bolts. M10x25 ● Rear long piece: Join A, B, C and G with bolts and nuts. Fit the two small tension fittings (F) on each side of the short members (G) and secure firmly using nuts and bolts.
- Page 25 Mechanical assembly 3004793-2023-04-18 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 It is important that the base is levelled before the VEX unit is placed on the base.
- Page 26 Mechanical assembly 3004793-2023-04-18 Step 2, VEX sec- Manoeuvre the sections onto the base by pushing them directly from the pallet onto the base. tions 1. Push a fan section onto the base first 2. Next, push the exchanger section onto the base 3.
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Page 27: Condensation Drain
Mechanical assembly 3004793-2023-04-18 Step 4, Smooth To ensure joints are sealed at the condensation tray, the transition between the bottom motor and the joints at the con- condensation tray must be sealed: densation tray Action Smooth the two joints (front and rear on the transition) with a fin- ger. -
Page 28: Integrated Water Heating Coil
Mechanical assembly 3004793-2023-04-18 Solution with HT Use HT-pipe (HT, DN32, DIN4102), if the above solution is not employed (not supplied by EXHAUS- pipe TO). 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 accordance with applicable regulations and legisla- tion. -
Page 29: Bleeding Of Coils
The heating coil pipes must not be in the way when opening the nearest door on the VEX for extraction of the fan section. Use a 90° bend on the heating coil connection spigots. *) not EXHAUSTO delivery (refer to the technical specifications). 3.3.2 Bleeding of coils... -
Page 30: Mvm Valve
Mechanical assembly 3004793-2023-04-18 ● 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 31 Mechanical assembly 3004793-2023-04-18 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.
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Page 32: Electrical Installation
3004793-2023-04-18 4. Electrical installation 4.1 Electrical installation See the attached instructions “Electrical Installation Guide of VEX350H-VEX360H-370H with EXact2 con- trol system”. 3004829-2013-06-06 VEX370H EXact2 VEX350H-360H-370H Electrical Installation Guide - EXact2 control system Electrical installation........Chapter 1 + 2 Original instructions EXHAUSTO A/S Tel. -
Page 33: Maintenance
Menu 2 "Operating readings" via the technician menu (access code 1111) to check the unit's operating status. 5.2 Maintenance Schedule Recommended in- The following chart details the recommended maintenance intervals, under normal operating condi- tervals tions. EXHAUSTO recommends maintenance is adjusted to suit the actual operating requirements. Component Procedure Once a Twice a year... -
Page 34: Hygiene
● 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 ensure filters are re- placed at the correct intervals 5.3 Hygiene... - Page 35 Maintenance 3004793-2023-04-18 VEX370R Step Action Start by opening the door to the fan section (right- hand section for a left-hand unit) and release the 6 tensioners: turn the tensioner 7 times clockwise. Loosen the finger screws on the bracket. Push the bracket to one side and remove it.
- Page 36 Maintenance 3004793-2023-04-18 Step Action Remove the sealing profile in front of the heat ex- changers (unhooks). Remove the sealing panel between the heat ex- changers (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 re- move it also.
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Page 37: Servicing And Cleaning
Maintenance 3004793-2023-04-18 Step Action Use the first of the two panels on the inside of the door in the heat exchanger section as an under- lay for the next row of heat exchangers. Lay the panel at the side from which the heat exchanger is to be removed. - Page 38 Maintenance 3004793-2023-04-18 How to clean the See section "Internal transport with reduced weight" for details on how to remove the fan units. Step Action Switch off the power supply to the unit at the isolation switch Clean the fan impellers with a vacuum cleaner and by wiping with a damp cloth NB: Clean the impellers carefully to avoid disturbing the balance Once re-fitted, check the unit operates without vibrating Cleaning cold water...
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Page 39: Technical Data
Technical data 3004793-2023-04-18 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 +35℃ Ambient temperature -30ºC to +50ºC At temperatures below -25˚C (with outdoor installation), use of a thermostatically controlled heater in the automated control box is recommended. -
Page 40: Compact Filters
Technical data 3004793-2023-04-18 6.2 Compact filters Filter data Filter class according to ISO 16890 Filter class according to EN 779 Filter panel h x b (qty. 3 per air direction) 414 x 750 mm 414 x 750 mm Panel filter thickness Efficiency Recommended difference between final pressure drop and initial +100 Pa... -
Page 41: Bag Filters
Technical data 3004793-2023-04-18 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 42: Mvm Motor Valve
24 VDC ±20% 24 VDC ±20% Regulation 0–10 VDC 0–10 VDC 6.5 Capacity diagram via EXselectPro Recommendation You are recommended to make a more precise calculation of the unit's capacity with the EXselect cal- culation program, available on the EXHAUSTO website. 42/44... -
Page 43: 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.
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