Exhausto VEX300 Series Assembly And Installation Manual
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3005993-2021-03-09
Assembly and installation
VEX310T-320T-330T-340T-350T
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.com
VEX300T
Original instructions
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Table of Contents
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Summary of Contents for Exhausto VEX300 Series
- Page 1 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...
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Page 2: Table Of Contents
3005993-2021-03-09 1. Product information 1.1. Designations used in these instructions.............7 1.1.1. Simplified diagram ...................7 1.2. Use.......................... 8 1.3. Location requirements..................9 1.3.1. Space requirements..................9 1.3.2. Requirements for underlying surface............. 11 1.3.3. Condensation outlet..................11 1.3.4. Requirements for duct system................11 1.4. - Page 3 3005993-2021-03-09 5.3. Hygiene......................... 30 5.4. Service........................30 5.4.1. Filter change....................30 5.4.2. Removal of fan unit..................31 5.4.3. Removal of counterflow heat exchanger(s) ...........32 5.4.4. Removal of water coil (HW/CW)..............33 5.4.5. Determination of airflow................. 34 5.5. Cleaning........................34 5.5.1. Cleaning the fan unit..................34 5.5.2.
- 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 3005993-2021-03-09 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. 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 (in accordance with EN294).
- Page 6 3005993-2021-03-09 Choose the correct documentation for the task... Find your information. Supplied Assembly and Print out from Electrical installation guide dokumentation » installation instructions calculation program Mechanical assembly » Electrical installation » Start-up - operation » Maintenance - Service » 6/44...
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Page 7: Product Information
Product information 3005993-2021-03-09 1. Product information 1.1 Designations used in these instructions 1.1.1 Simplified diagram The simplified diagram shows a VEX unit with RIGHT fan placement. See table with designations on next page. 7/44... -
Page 8: Use
1.2 Use 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 9: Location Requirements
Product information 3005993-2021-03-09 1.3 Location requirements Location The VEX unit is designed for indoor fitting. 1.3.1 Space requirements The cabinet has detachable or opening doors on each side. The drawing below indi- cates how much space is needed for servicing the VEX unit, i.e. changing filters, cleaning, servicing, etc. - Page 10 Product information 3005993-2021-03-09 VEX330T/340T/350T All dimensions in mm. VEX size Depth Removing the exchanger Removing of filter Filter Opening of doors Width 330T 325 (2 items) 1730 (A+D) 1675 1500 340T 310 (2 items) 1730 (A+D) 1880 1900 350T 710 (2 items) 1840 (A+D) 2180 2400...
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Page 11: Requirements For Underlying Surface
● Thermal loss 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... -
Page 12: Description
Product information 3005993-2021-03-09 1.4 Description 1.4.1 Design General drawing The drawing below illustrates the construction of the VEX unit, without doors: LEFT RIGHT Pos. Part Function Panel filter for extract air Filters extract air Heating/cooling coil for Heats or cools the supply air supply air (option) Condensation tray (option) Collects the condensate and drains it away from the cooling coil to the condensation outlet... -
Page 13: Parts Of The Vex Unit
Product information 3005993-2021-03-09 Pos. Part Function Pre-filter/coarse filter for Filters outdoor air outdoor air Spigot 1.2 Exhaust air spigot Spigot 2.1 Outdoor air spigot Spigot 1.1 Extract air spigot Spigot 2.2 Supply air spigot 1.4.2 Parts of the VEX unit Cabinet The inside and outside of the cabinet are made of Aluzinc®... -
Page 14: Principal Dimensions
Product information 3005993-2021-03-09 1.5 Principal dimensions 1.5.1 Dimensional drawings Section A Pipe for water connection has been rotated 90°. This applies only to VEX320T. LEFT VEX320T RIGHT VEX320T The indicated dimensions A-P are shown on the dimensional drawing and can be read off from the tables next to the given VEX size. -
Page 15: Principal Dimensions Of Vex Unit
Product information 3005993-2021-03-09 1.5.2 Principal dimensions of VEX unit VEX size Depth without Depth without Height Depth Width control box doors/panels 310T 1215 1200 320T 1215 1200 330T 1474 1064 1500 340T 1775 1064 1900 350T 1825 1121 2400 All dimensions in mm. 1.5.3 Dimensions of water connection/outlet VEX size 310T... -
Page 16: Dimensional Sketches, Feet
Product information 3005993-2021-03-09 1.5.5 Dimensional sketches, feet 1.5.6 Dimensions of feet VEX size 310T 1172 320T 1172 330T 1472 340T 350T 1186 All dimensions in mm. 16/44... -
Page 17: Handling
Handling 3005993-2021-03-09 2. Handling 2.1 Unpacking Delivery The following components are supplied: ● VEX unit ● Supplied accessories (as indicated in the checklist on the front page of the in- structions) Packaging The unit is delivered on wooden blocks and packed in clear plastic. Once the plastic has been removed, the unit must be protected against dirt and dust: ●... -
Page 18: Transport
Handling 3005993-2021-03-09 2.2 Transport Transport methods Transport the VEX unit in one of the following ways: Method Drawing Manual transport: Lifting brackets for manual transport can be fitted as shown on the draw- ing: Using pallet truck or fork-lift truck: IMPORTANT: The forks on the lifting equipment must be long enough to prevent damage to the bottom of the... -
Page 19: Passage Through Openings
Handling 3005993-2021-03-09 2.2.1 Passage through openings VEX unit dimen- The table below shows the unit's main dimensions, and is intended to indicate sions how large an opening has to be for the unit to pass through: Depth without Depth without VEX size Height Depth... -
Page 20: Internal Transport With Reduced Weight
Handling 3005993-2021-03-09 2.2.3 Internal transport with reduced weight Weight reduction The air handling unit's weight can be reduced during transport by removing doors/ panels, fan units and counterflow heat exchanger(s). Parts 310T 320T 330T 340T 350T VEX total weight Counterflow heat ex- 1* 7.2 2* 7.2 2* 10.2... -
Page 21: Mechanical Installation
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 VEX unit can be fitted horizontally on a surface that is not level ( +/- 20 mm per metre). - Page 22 Solution with HT Use HT pipe (HT, DN32, DIN4102), if the above solution is not employed (not sup- pipe plied by EXHAUSTO). Min 75mm Min 50mm If the VEX unit is erected on a mounting base (accessory), this will allow sufficient free height for installing a Siphon water trap.
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Page 23: Control Box
Mechanical installation 3005993-2021-03-09 3.3 Control box 3.3.1 Installation of control box The control box is removed from the factory and placed on top of the VEX unit. The following tools are needed for installation: ● Phillips screwdriver How to install the control box The VEX unit must not be connected to power when the control box is installed. -
Page 24: Water Connection (Hw/Cw)
Mechanical installation 3005993-2021-03-09 3.4 Water connection (HW/CW) 3.4.1 Principles for connecting the cooling/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 25: Installation Requirements
Cooling/heating coil (CW) Circulation pump* Pressure difference regula- tor* Dirt filter* *) not EXHAUSTO delivery (refer to the technical specifications). 3.4.2 Installation requirements Bleeding Following connection of water supply to the cooling/heating coil, the system must be bled thoroughly. Insufficient bleed-... -
Page 26: Mvm Valve
Mechanical installation 3005993-2021-03-09 3.4.3 MVM valve Screening Screen the valve motor from direct sunlight. Due to heat emissions, the valve mo- tor must not be encapsulated (max. ambient temperature: 50°C). Insulating the valve To ensure normal operation at ambient temperatures below 0°C, it is very impor- tant that the valve section is insulated according to current standards. -
Page 27: Connection To Cooling/Heating System (Dx)
Mechanical installation 3005993-2021-03-09 3.5 Connection to cooling/heating system (DX) Connection of DX The DX coil integrated in the VEX unit must be connected in accordance with cur- coil rent legislation and regulations for work on cooling and heating pumps, and the work must only be carried out by trained personnel. -
Page 28: Electrical Installation
VEX300T-X 11-2018-09-10 Electrical installation guide VEX310T-320T-330T-340T-350T for third-party control system Electrical installation........Chapter 1 + 2 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 www.exhausto.dk 28/44... -
Page 29: Maintenance, Hygiene And Servicing
Refer to the section on “Handling" for more information 5.2 Maintenance Recommended in- The following chart details the recommended maintenance intervals, under normal tervals operating conditions. EXHAUSTO recommends maintenance is adjusted to suit the actual operating requirements. 5.2.1 Maintenance Schedule Once Twice... -
Page 30: Hygiene
● 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 31: Removal Of Fan Unit
Maintenance, hygiene and servicing 3005993-2021-03-09 5.4.2 Removal of fan unit Warning Disconnect power via the isolation switch before opening the VEX unit. For opening the VEX unit, see section "Opening the VEX unit". The following tools are needed for removal: ●... -
Page 32: Removal Of Counterflow Heat Exchanger(S)
Maintenance, hygiene and servicing 3005993-2021-03-09 5.4.3 Removal of counterflow heat exchanger(s) Warning Disconnect power via the isolation switch before opening the VEX unit. For opening the VEX unit, see section "Opening the VEX unit". Take care, as the counterflow heat exchanger is heavy - see weight under Technical Data. -
Page 33: Removal Of Water Coil (Hw/Cw)
Maintenance, hygiene and servicing 3005993-2021-03-09 5.4.4 Removal of water coil (HW/CW) Risk of hot surfaces! The following tools are needed for removal: ● Diagonal cutter ● Medium adjustable wrench ● Polygrip pliers ● Contact paste (assembly) ● 3 new strips (assembly) Removing the coil Step Action... -
Page 34: Determination Of Airflow
Maintenance, hygiene and servicing 3005993-2021-03-09 5.4.5 Determination of airflow Composite Aluminium [m³/h] [L/s] [m³/h] [L/s] VEX310T VEX320T VEX340T VEX350T Calculation of K factor for operating temperatures other than 20°C: 5.5 Cleaning 5.5.1 Cleaning the fan unit If necessary, see "Remove fan unit" for description of how to remove the fan unit from the VEX unit. - Page 35 Maintenance, hygiene and servicing 3005993-2021-03-09 Step Action Check that the fins on the counterflow heat exchanger are not de- formed. The fins are sharp. 35/44...
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Page 36: Cleaning The Water Coil (Hw/Cw/Dx)
Maintenance, hygiene and servicing 3005993-2021-03-09 5.5.3 Cleaning the water coil (HW/CW/DX) See the section "Removal of water coil" for description of how to remove the water coil. (Applies to HW/CW) If the coil is cleaned without removal, no water may be used unless there is a con- densation tray under the coil (applies to CW/DX). -
Page 37: Technical Data
Technical data 3005993-2021-03-09 6. Technical data 6.1 Weight, corrosion class, temperature ranges, etc. 6.1.1 Weight Parts 310T 320T 330T 340T 350T VEX total weight Counterflow heat ex- 1* 7.2 2* 7.2 2* 10.2 2* 19.8 2* 35 changer * items Fan unit * items 2* 4.1 2* 6.4... -
Page 38: Motor Damper
Technical data 3005993-2021-03-09 6.1.5 Motor damper Motor damper data (closing damper) (closing damper, spring return) Designation LSA/LSF LSFR Motor type NM24-F AF-24 opening: 150 s Rotation time 75–150 s closing: 16 s Enclosure class IP42 IP42 Ambient temperature -20ºC to +50ºC -30ºC to +50ºC Damper depth 100 mm... -
Page 39: Water Coils (Hw/Cw)
Technical data 3005993-2021-03-09 6.2 Water coils (HW/CW) 6.2.1 Data VEX310T-350T VEX310T Variants/sizes Data HW 1 HW 2 CW 1 CW 2 Weight without fluid [kg] 1.35 3.25 Fluid content [l] 0.192 0.323 0.322 0.581 Number of pipe rows Number of circuits Fin spacing Face area h x b [mm] 200 x 380... -
Page 40: Mvm Motor Valve
Technical data 3005993-2021-03-09 VEX340T Variants/sizes Data HW 1 HW 2 CW 1 CW 2 Weight without fluid [kg] 4.15 Fluid content [l] 0.945 1.218 1.278 2.465 Number of pipe rows Number of circuits Fin spacing Face area (h x b) [mm] 450 x 696 450 x 710 450 x 675... -
Page 41: Cooling/Heating Coils (Dx)
Technical data 3005993-2021-03-09 6.3 Cooling/heating coils (DX) VEX310T-350T Data 310T 320T 330T 340T 350T Weight without fluid [kg] Fluid content [l] 0.44 0.72 1.26 1.77 Number of pipe rows Number of circuits Fin spacing Face area (h x b) [mm] 200 x 200 x 300 x... -
Page 42: Capacity Diagram
You are recommended to make a more precise calculation of the unit's capacity with the EXselect calculation EXselect, available on the EXHAUSTO website. 6.6 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 43: Environmental Declaration
Technical data 3005993-2021-03-09 6.8 Environmental declaration Environmental doc- The unit can be disassembled into individual product parts when outworn and in umentation need of disposal. Product parts Material Handling Sheet parts Aluzinc For recycling after disassembly Condensation tray Stainless steel For recycling after disassembly Bypass dampers, heat Aluminium...
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