VEX4000, modular air handling units

Capacity range from 1,050 to 36,000 m3/h.
Download the VEX4000 brochure here, or see the detailed information below

Introduction

VEX4000, introduction

EXHAUSTO VEX4000 is a range of units suitable for many ventilation forms. The various sections can be combined and configured for practically any need. The units in the VEX4000 series cover capacity ranges from 1,050 to 36,000 m3/h.

The series has been designed for compliance with the 2020 energy requirements. 

Compact flexibility

All sections are mutually compatible in each model size, allowing the complete unit to preserve the same width and height throughout. The units are available in LEFT and RIGHT versions.


Supply and installation

The units can be supplied ready-assembled or in sections for assembly at the installation site. The unit can be supplied with special external assembly fittings for simple section assembly.


EXcon control system

All VEX4000 units are available with integrated control systems for advanced control of airflow, heating, cooling, humidification, etc. However, it is also possible to order VEX4000 without a control system. Read more about the EXcon control system under "EXcon control system for VEX4000".


EXselectPRO

VEX4000 is calculated and configured using the program EXselectPRO. This program is used for configuration and energy calculations according to project requirements.

The output consists of detailed technical data, dimensional sketches and energy calculations and the associated labels. 


Capacity ranges

The following shows the capacity ranges which the individual sizes of VEX4000 can cover.

Curves Capacity incl. cooling VEX4000


Our calculation tool "EXselectPro" is able to provide precise outputs and other data for your own project. Contact our sales department for a calculation.


Construction

VEX4000, construction

Cabinet

All sections consist of cabinets constructed on the same basic principle, with frame profiles and insulated panels. Generally speaking, great attention has been given to accessibility and easy maintenace.


Profiles

The frame profiles are made from aluminium. This ensures both high strength and high corrosion resistance. The frames are assembled with push-in corners, and have gently rounded edges.


Panels

The panels are made from AluZink and are insulated with 50 mm mineral wool, ensuring both good thermal insulation and good sound damping (external noise).

The side panels are fixed to the frame profiles with screws. End, top and base panels have been fixed internally with screws, after which the joints are sealed.


Inspection doors

The doors open 180° and give easy access for inspection and service. The doors seal shut, being designed on the same principles as the panels, but fitted with gaskets.

Options:

  • Solid handles, which are easy to operate and have integral locks
  • Lock sets for special keys

The hinges are adjustable and fixed to the rear of the doors for maximum connection strength.


Outdoor units

The air handling units can be supplied as a special outdoor version with roof and weather-resistant exhaust grills. They can also be fitted with an intake box for intake air.


Combination options

VEX4000 standard configurations

The following shows examples of combinations of sections - these are the standard configurations for VEX4000. By using our product selection program, EXselectPRO, you can configure the exact air handling unit you need for your current project.

Example 1 - suitable for schools, institutions and offices

VEX4030

The air handling unit shown is a VEX4000 with rotary heat exchanger and built-in heating coil, but it can also be configured with a duct-mounted heating coil.


Example 2 - suitable for stores with surplus heat from cooling compressors

RD13703 Example 2

This indoor system has a rotary heat exchanger and associated heating coils. What makes this configuration special is the specially manufactured heat recovery coil (HWR), only used if the premise's cooling unit is connected to a heat recovery unit for water.


 

Example 3 - ideal for offices or similar locales, where there is a need for cooling in the summer season

VEX4030

This air handling unit has a rotor, integrated DX cooling system and empty sections with lighting before and after the rotary heat exchanger section for inspecting the cooling coils. The air handling unit also has a heating coil. This configuration is typically used for offices or similar locales where there is a need for cooling in the summer season.

The configuration shown is also available as an outdoor air handling unit. In this case, the dampers are moved into the fan section, extending the length of this section. The empty and heating sections will extend the full height of the unit.


Example 4 - suitable for supermarkets, sports halls or industrial buildings

VEX4030

The configuration shown with rotary heat exchanger and separate integrated DX cooling with empty sections before and after the rotary heat exchanger for inspection and cleaning. A recirculation section is also shown, for use in situations where people want to reduce heating expenses by recirculating some of the extract air back to the supply air, thus saving on heating of the outdoor air. The air handling unit is also configured with a special heat recovery coil and a standard heating coil.

This configuration is ideal for a large supermarket, sports hall or an industrial building where there is heat surplus during the day and heating requirements during the night, and where the air quality in the premises does not need to have the same quality as during the day.

The air handling unit shown is also available for outdoor installation, however in this case the dampers will be fitted internally in the fan section, thus lengthening the air handling unit, while the heating section will have the full air handling unit's height.

 

Dimensions table

     4010 4020 4030  4040  4050 
Standard dimensions Height [mm]
Depth [mm]
 1309
1055
1309
1275 
1499
1549
1599
1630
1744
1755
Example 1 Length [mm]
Weight [kg]
 2751
673
 2751
755
 2861
963
2861
1068
2861
1152
Example 2 Length [mm]
Weight [kg]
 3675
933
3675
1043 
3785
1303
 3785
1437
 3785
1541
Example 3 Length [mm]
Weight [kg]
 5305
1508
 5305
1666
5525
2049
5525
2220
 5525
2398
Example 4 Length [mm]
Weight [kg]
 6305
1804
6305
1989
6415
2390
6415
2603
6415
2804

     4060 4070 4080 4090 4100
Standard dimensions Height [mm]
Depth [mm]
2069
1930
2069
2115 
2344
2325
2594
2625
2874
2895
Example 1 Length [mm]
Weight [kg]
 3151
1387
 3331
1554
3331
1736
3331
1989
3331
2286
Example 2 Length [mm]
Weight [kg]
 4075
1827
 4255
2018
4255
2260
4255
2587
4255
2965
Example 3 Length [mm]
Weight [kg]
 5805
2751
6085
3039 
6085
3289
6185
3775
*
Example 4 Length [mm]
Weight [kg]
7085
3697 
 7365
3697
7365
3986
7465
4569
*


Accessories

Accessories


Cover for outdoor installation (RF)

A cover is available for units for outdoor mounting. The cover is mounted on each section with a precise fit for the selected unit size.

The cover protects the unit from rain, sleet and snow, keeping the unit dry and ready for operation.

The cover is made from AluZink mounted on the unit, either on site, if the unit is delivered in sections, or factory mounted, if the unit is supplied ready-mounted on a plinth.


Plinth 

Outdoor units are usually supplied ready-assembled on a plinth. If the unit cannot be transported or lifted in one piece, the plinth is supplied either assembled or in separate parts, as required.
For units which are to be mounted indoors, the plinth can be supplied in kit form. Adjustment screws are available.

Plinth elements can be supplied with adjustment screws and feet. 

Ready-assembled units are supplied on a full-length plinth. The plinth can be delivered as a bend plate plinth or a UPE-profile - depending of the weight of the unit. 


Damper (MS)

The dampers are of louvre type and are used to shut off or open up air circulation in or to the unit. As an MS section, the dampers are used to mix extract air with the supply air in order to reduce energy consumption for heating.

Construction

The damper plates and frames are made of aluminium and seated in steel plate frames with synthetic bushings. The dampers have drive shafts directly connected with the damper motors.

Design options:

Inlet with damper
- for closing the system when the unit is inoperative.

Mixing damper
- for mixing two air streams.

Mixing and recirculation damper
- for closing the system when the unit is inoperative and for mixing outdoor air and recirculation air and for corresponding differentiation of exhaust air.

By-pass damper for crossflow heat exchanger
- for diverting outdoor air at times of falling heating demand, or where there is a risk of icing in the heat exchanger.

All dampers are Class 3.


Lighting and inspection windows

Lighting and inspection windows are offered for empty sections and fan sections. These allow internal parts of the unit to be inspected from the outside.


Filter monitor

Manometer til VEX4000  Filtervagt _ manometer
For units without an integral control system, a manometer is available for visual monitoring of filter soiling.

Water trap for wet functions 


 

Condensation outlets from wet functions (cooling coils and crossflow heat exchangers) must be fitted with a water trap. As an accessory a water trap made of plastic can be ordered - dimension DN32. The water trap is connected to the drain from the unit. All drains have smooth external pipes.

3 types of water traps 

 

  • SIPHONUP (negative pressure) - for connection to condensation outlet from unit 
  • SIPHONOP (positive pressure) - for connection to any cooling coil in the duct system 
  • SIPHONE02 - heating threat that will keep the water trap and water pipe frost free. A thermostate is mounted to ensure a low energy consumption 


Other accessories:

  • extra filter set
  • Intake cowl with grille for outdoor units.
  • Exhaust cowl with grille for outdoor units
  • Lock sets for special keys

Certificates and standards

VEX4000, certified quality and performance

The VEX4000 series has been designed and manufactured to satisfy a number of important rules and standards. This new series is the subject of an application for both Eurovent and RLT certification. Both certificates are expected to be granted in the first quarter of 2015.


Standards

Classification
Mechanical performance: Compliant with DS/EN 1886 
Strength of unit housing: Class D2
Air tightness at negative pressure of -400 Pa L1
Air tightness at positive pressure of +700 Pa L1
Filter bypass leakage: F9 for negative and positive pressure
Thermal transfer: T2 (Indoors)
T2 (Outdoors)
Thermal bridging factor: Class TB3
Standard: DS/EN ISO 12944-2
Corrosion category: C4


Certification

Eurovent
Eurovent logo VEX4000-VEX5000  VEX4000 is certified by the  European-wide Eurovent certification. As part of the certification process, the data in EXselectPRO is being verified.

RLT
logo RLT
VEX4000 is the subject of an application for the German RLT certification. As part of the certification process, the data in EXselectPRO is being verified.

VEX4000 Functions

VEX4000 functions

A VEX4000 unit is composed of a number of sections, each with its own function. Individual adaptation is performed in close dialogue with the customer, and in practice configuration is carried out with the product selection programm EXselectPRO. Here is a list of the separate functions. Below is a more detailed description of the individual VEX4000 sections.

Designation Function
ER Rotary heat exchanger
EX Crossflow heat exchanger
PF Plug fan 
HW Water heating coil
CW Water cooling coil
DX  Cooling-heating coil 
HWR Heat recovery coil (special solution for shops)
HE  Electric heating coil 
IC Integrated DX cooling 
ICC Integrated DX cooling with rotor and cold recovery 
MR Mixer and recirculation section
MS Damper
FX Filter
SP Empty section
RF Cover for outdoor installation

Add all about the product series VEX4000, modular air handling units

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Export Requests:
EXHAUSTO Export
Odensevej 76
DK 5550 Langeskov

Tel +45 6566 1236
E-mail: export@exhausto.dk
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Teaser ecodesign

Ecodesign Directive

EXHAUSTO VEX air handling units and fans comply with the Ecodesign Directive. Read more here.

See more about Ecodesign here