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3004210-2016-02-23
VEX320CX
(3rd party control system)
Installation instructions
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
VEX320CX
Unit supplied with (factory fitted):
VEX320, motor type 1
VEX320, motor type 2
V300CDHS, hinged doors
V300CDRS, sliding doors
Compact filter M5
Compact filter F7
The following accessories are
supplied seperately:
pieces, HMI control panel
HCW external heating coil (water)
HCE external heating coil (electrical)
Closing damper, LS315-24, (LSF outdoor)
Closing damper, LS315-24, (LSA exhaust)
Closing damper, LSR315-24, with
spring-return (LSFR outdoor)
Self-adhesive foam strip
(VEX with hinged doors only)
Prod.order no.:
Sales order no.:
Original instructions
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Summary of Contents for Exhausto VEX320CX
- Page 1 VEX320CX 3004210-2016-02-23 VEX320CX (3rd party control system) Installation instructions Unit supplied with (factory fitted): VEX320, motor type 1 VEX320, motor type 2 V300CDHS, hinged doors V300CDRS, sliding doors Compact filter M5 Compact filter F7 The following accessories are supplied seperately:...
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Page 2: Table Of Contents
3004210-2016-02-23 1. Product information 1.1. Model overview......................6 1.2. Terms used in these instructions.................7 1.2.1. Simplified diagram....................7 1.3. Application......................7 1.4. Location requirements..................7 1.4.1. Space requirements..................8 1.4.2. Ceiling requirements..................8 1.4.3. Requirements for duct system................9 1.5. Description......................9 1.5.1. Construction of the VEX unit................9 1.5.2. - Page 3 3004210-2016-02-23 6.3. Capacity diagram....................32 6.3.1. Capacity diagram, VEX320C-1..............32 6.3.2. Capacity diagram, VEX320C-2..............33 6.4. Ordering spare parts...................33 3/36...
- 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 The front page of the instruction manual contains a checklist, detailing the acces- sories sories delivered with the VEX unit. When retrofitting EXHAUSTO accessories, please update the checklist on the front page. Left/Right See definition of Left/Right in Section 1.1 Model overview.
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Page 6: Product Information
Product information 3004210-2016-02-23 1. Product information 1.1 Model overview Elements Description Compact filter Extract air spigot Exhaust air spigot Outdoor air spigot Supply air spigot Air direction, extract air Air direction, supply air Fan placement Air directions LEFT, VEX unit from above Bypass RIGHT, VEX unit from above... -
Page 7: Terms Used In These Instructions
Standard 1.3 Application Comfort ventilation EXHAUSTO VEX is used for comfort ventilation tasks. The VEX unit is designed for ceiling mounting and must be used as such. 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 3004210-2016-02-23 1.4.1 Space requirements VEX320C with The cabinet has two hinged doors. The drawing below indicates how much head- hinged doors room is needed for opening the doors and servicing the unit, i.e. changing filters, cleaning, servicing, etc. Space requirements, width: 1,295 mm. -
Page 9: Requirements For Duct System
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 pro- tective net to the spigots with a maximum mesh width of 20 mm. - Page 10 Product information 3004210-2016-02-23 Pos. no. Part Function Bypass motor Opens/closes bypass damper Terminals Connection of ventilation components Connection box Connection of power and diverse accesso- ries Suspension clamps Clamps for fitting the unit to the ceiling Extract air fan Removes "stale" air Filter for supply air Filters the supply air Counter flow heat ex-...
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Page 11: Parts Of The Vex Unit
Product information 3004210-2016-02-23 Pos. no. Part Function Condensation outlet spigot Conducts condensate away from the con- densation tray 1.5.2 Parts of the VEX unit 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 3004210-2016-02-23 VEX320C, Left DN32 Height, hinged door: 440 mm Height, sliding door: 540 mm Top view: VEX320C, Left 1447 1385 Extract air 1,1 Outdoor air 2,1 Supply Exhaust air 2,2 air 1,2 Seen from above 12/36...
- Page 13 Product information 3004210-2016-02-23 VEX320C, Right DN32 Height, hinged door: 440 mm Height, sliding door: 540 mm Top view, VEX320C Right 1447 1385 Outdoor air Extract air 1,1 Exhaust Supply air 1,2 air 2,2 Seen from above 13/36...
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Page 14: Dimensional Sketches, Doors
Product information 3004210-2016-02-23 1.6.2 Dimensional sketches, doors Dimensional sketch, The following drawing applies to both Left and Right models: hinged doors Dimensional sketch, The following drawing applies to both Left and Right models: sliding doors 14/36... -
Page 15: Handling
Handling 3004210-2016-02-23 2. Handling 2.1 Unpacking Supplied compo- The following components are supplied: ● VEX unit nents ● Supplied accessories (as indicated in the checklist on the front page of the in- structions) Packaging The unit is delivered upright and firmly fixed to a disposable pallet and packed in clear plastic. -
Page 16: Passage Through Openings
Handling 3004210-2016-02-23 2.2.1 Passage through openings VEX unit dimen- The table below shows the unit's dimensions, and is intended to indicate how large sions an opening has to be for the unit to pass through: Length Width Height VEX320C (hinged doors) 1,505 mm 1,000 mm 440 mm... -
Page 17: Mechanical Assembly
Mechanical assembly 3004210-2016-02-23 3. Mechanical assembly 3.1 Positioning of unit 3.1.1 Mounting on ceiling Dimensioning Ceiling mountings must be dimensioned from the unit's weight. Mounting must be carried out in accordance with the Project Man- ager's instructions. Suspension The unit is designed for suspension from a ceiling with the doors facing downwards - as described in the following. -
Page 18: Insulation Using Self-Adhesive Foam Strip
Mechanical assembly 3004210-2016-02-23 3.1.2 Insulation using self-adhesive foam strip Applies only to VEX To ensure that the VEX's doors can be opened, the accompanying self-adhesive with hinged doors foam strip should be mounted on the duct closest to the the VEX. (See drawing). Step Action Illustration... -
Page 19: Electrical Installation
Electrical installation 3004210-2016-02-23 4. Electrical installation 4.1 Electrical installation See the attached instructions “Electrical Installation Guide for VEX320CX/-330CX/ 330HX for third-party control system”. Electrical installation guide VEX320-330CX 3004231-2014-02-25 Electrical installation guide for VEX320CX/330CX/HX for third-party control systems Electrical installation........Chapter 1 + 2... -
Page 20: Maintenance, Hygiene And Servicing
Maintenance, hygiene and servicing 3004210-2016-02-23 5. Maintenance, hygiene and servicing 5.1 Maintenance The VEX unit doors must be opened to allow servicing and cleaning. Disconnect the power at the isolation switch before opening the doors. 5.1.1 VEX300C with hinged doors How to open VEX with hinged door (V300CDHS) -
Page 21: Vex300C With Sliding Doors
Maintenance, hygiene and servicing 3004210-2016-02-23 5.1.2 VEX300C with sliding doors How to open VEX with sliding door Then (V300CDRS) ● first dismount one door, place it on the sliding The VEX fitting needs opening to change the filter bracket and slide it under the other door ●... -
Page 22: Overview Of Maintenance Intervals
● EUROVENT certification is only valid if original filters are used ● Use of non-original filters may cause leakage in the VEX and impair filter func- tion ● EXHAUSTO recommends that you register the filter replacement date to ensure filters are replaced at the correct intervals 5.2 Hygiene VDI6022 air hygiene VEX320/330 has been designed to comply with air hygiene standard VDI6022. -
Page 23: Servicing And Cleaning The Motor
Maintenance, hygiene and servicing 3004210-2016-02-23 How to change fil- ters Step Action Illustration Unscrew the 6 finger screws from the filter cap and lift off the filter hatch Unscrew the fingerscrew which retains the filter Pull out the filter, put it in a plastic bag and seal tightly. Arrange for disposal in accordance with local waste disposal regulations Vacuum clean the cabinet Inspect the sealing strips for damage before inserting a new... -
Page 24: Removing And Cleaning The Counter Flow Heat Exchangers
Maintenance, hygiene and servicing 3004210-2016-02-23 How to service the motor Step Action Illustration Unscrew the two nuts Make sure the motor is free of the VEX The motor section can now be removed, reversed and fixed with the nuts. You now have access for cleaning the impeller. - Page 25 Maintenance, hygiene and servicing 3004210-2016-02-23 How to remove the The counter flow heat counter flow heat exchanger fins can be easily exchanger damaged - avoid contact with the fins. The following text describes how to remove a counter flow heat exchanger. Step Action Illustration...
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Page 26: Cleaning The Heating Coils
Maintenance, hygiene and servicing 3004210-2016-02-23 Step Action Illustration The exchanger is now free and can be removed NB: When replacing the exchanger, a new seal must be fitted on the new exchanger. Cleaning the coun- ter flow heat ex- Step Action changers Clean the exchanger by flushing with warm water (a high-pressure cleaner... -
Page 27: Airflow Measurement
Maintenance, hygiene and servicing 3004210-2016-02-23 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 /h) can be read from the dif- ferential pressure Δp [Pa] Δp... - Page 28 Maintenance, hygiene and servicing 3004210-2016-02-23 Supply air: Airflow diagram for supply air 28/36...
- Page 29 Maintenance, hygiene and servicing 3004210-2016-02-23 Extract air: Airflow diagram for extract air 29/36...
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Page 30: Technical Data
Technical data 3004210-2016-02-23 6. Technical data 6.1 Weight, corrosion class, temperature ranges, etc. Weight Doors 2 x 14.5 kg Counter flow heat exchanger 1 x 14.5 kg Motor section, Type 1 2 x 5.0 kg Motor section, Type 2 2 x 6.5 kg Total weight, motor type 1 128.0 kg Total weight, motor type 2... -
Page 31: Compact Filters
Technical data 3004210-2016-02-23 6.2 Compact filters Filter data, VEX320C Data Device VEX320-1 VEX320-2 Dimensions: h x w, 1 345 x 330 345 x 330 345 x 330 345 x 330 item per air direction Thickness of compact filter Filter area Filter class Retention efficiency in >... -
Page 32: Capacity Diagram
Technical data 3004210-2016-02-23 6.3 Capacity diagram 6.3.1 Capacity diagram, VEX320C-1 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 32/36... -
Page 33: Capacity Diagram, Vex320C-2
Contact Contact your local EXHAUSTO distributor to order a spare part. The telephone number is shown on the back cover of these instructions. If required, see chapter 1, section "The VEX unit's design" for an overview of terms and of the positions of parts. - Page 34 3004210-2016-02-23 34/36...
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