Exhausto VEX140H Original Instructions Manual

For third party control system with water heating coil hcw

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3004514-2019-08-28

VEX140 for third party

control system with water heating coil HCW

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

VEX140-X

Original instructions

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Summary of Contents for Exhausto VEX140H

Page 1 HCW 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
3004514-2019-08-28 1. Product information 1.1. Designations used in these instructions.............6 1.1.1. Designations used in these instructions............6 1.2. Application......................6 1.3. Location requirements..................6 1.3.1. Space requirements..................7 1.3.2. Requirements for underlying surface............... 8 1.3.3. Condensation outlet..................8 1.3.4. Requirements for duct system................. 8 1.4.
Page 3 3004514-2019-08-28 6. Technical data 6.1. Weight, corrosion class, temperature ranges, etc..........36 6.2. Panel filters......................37 6.3. Water heating system..................38 6.4. Capacity diagram....................39 6.5. EC Declaration of Conformity................39 6.6. Ordering spare parts................... 39 6.7. Environmental declaration..................40 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 20 mm (in accordance with EN294). Rating plate The VEX unit rating plate shows: ● VEX unit, type (1) ● production number (2) Always have the production number ready when contacting EXHAUSTO A/S. 5/44...
Page 6: Product Information
1.1Y 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 7: Space Requirements
Product information 3004514-2019-08-28 Outdoor VEX100H:The VEX100 horizontal model can be ordered for outdoor installation, in which case it is provided with a cover (accessory VEX100OD). 1.3.1 Space requirements The drawings below indicate how much space is needed for opening the doors and servicing the air handling unit, e.g.
Page 8: Requirements For Underlying Surface
The duct system must be insulated against: ● condensation ● sound ● 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. 8/44...
Page 9: Description
Product information 3004514-2019-08-28 Outdoor air intake The outdoor air intake must be dimensioned with sufficiently low airflow to prevent rain and snow being drawn into the duct system. 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 1.4.1 Horizontal VEX - design...
Page 10 Product information 3004514-2019-08-28 2,1,A 1,2,A 2,2,A 1,1,A Pos. Function Spigot 2.1.A Outdoor air spigot The spigot can also be posi- tioned on the top of the air handling unit (2.1.B). Closing damper LS Closing damper, outdoor air, LSF (accessory) Outdoor air filter Filters outdoor air Bypass damper For operation with heat recovery, the bypass damp-...
Page 11 Product information 3004514-2019-08-28 Pos. Function Closing damper LS Closing damper – exhaust air, LSA (accessory) Spigot 1.2.A Extract air spigot. The spigot can also be positioned on the top of the air handling unit (1.2.B) Connection box Positioning of terminal board for electrical connec- tion Extraction plate Positioning of motor controls...
Page 12: Vertical Vex - Design
Product information 3004514-2019-08-28 1.4.2 Vertical VEX - design VEX unit design The following drawings show an overview of the design of left and right models of VEX units (shown without door). 2,2,B 1,2,B 1,1,B 2,1,B 2,2,B 1,2,B 1,1,B 2,1,B 12/44...
Page 13: Parts Of The Vex Unit
Product information 3004514-2019-08-28 Pos. Part Function Outdoor air filter Filters outdoor air Bypass damper For operation with heat recovery, the bypass damper is closed so that the air passes through the crossflow heat exchanger. For bypass opera- tion, the damper is open, and the air bypasses the heat exchanger Condensation tray Collects the condensate and drains it away from...
Page 14: Principal Dimensions, Horizontal Vex
Product information 3004514-2019-08-28 1.5 Principal dimensions, Horizontal VEX VEX140H, Left The following drawing gives the principal dimensions: 1365 2,1,B 1,2,B 2,1,A 1,2,A ½" 2,2,A 1,1,A DN32 2,2,B 750* 2,1,A 1,2,A 2,2,A 1,1,A The drawing shows all of the spigot positioning options.
Page 15 Product information 3004514-2019-08-28 VEX140H, Right The following drawing gives the principal dimensions: 1365 2,1,B 1,2,B 2,1,A 1,2,A ½" 2,2,A 1,1,A DN32 2,2,B 750* 2,1,A 1,2,A 2,2,A 1,1,A The drawing shows all of the spigot positioning options. * Allow a distance for service in front of the unit equivalent to the unit depth.
Page 16: Principal Dimensions, Vertical Vex
Product information 3004514-2019-08-28 1.6 Principal dimensions, Vertical VEX VEX140V, Left The following drawing gives the principal dimensions: 1050 2,1,A ½" 2,2,A 1,2,A 2,2,B 1,2,B 95** 1,1,B 2,1,B DN32 2,1,A 1,2,A 2,2,A The drawing shows all of the spigot positioning options. * Allow a distance for service in front of the unit equivalent to the unit depth.
Page 17 Product information 3004514-2019-08-28 VEX140V, Right The following drawing gives the principal dimensions: 1050 2,1,A ½" 1,2,A 2,2,A 2,2,B 1,2,B 95** 1,1,B 2,1,B 2,1,A DN32 1,2,A 2,2,A The drawing shows all of the spigot positioning options. * Allow a distance for service in front of the unit equivalent to the unit depth. ** Allow a min.
Page 18: Handling
Handling 3004514-2019-08-28 2. Handling 2.1 Unpacking Supplied compo- The following components are supplied: nents ● VEX unit ● Supplied accessories (as indicated in the checklist on the front page of the in- structions). Packaging The unit is delivered on a disposable pallet and packed in clear plastic. Once the plastic has been removed, the unit must be protected against dirt and dust: ●...
Page 19: Transport Of Vertical Air Handling Units
Handling 3004514-2019-08-28 Method Drawing Using pallet truck or fork-lift truck: Lift the VEX unit on the disposa- ble pallet. IMPORTANT: If the disposable pallet cannot be used, the forks on the lifting equipment must be long enough to prevent damage to the bottom of the unit.
Page 20: Passage Through Openings
Handling 3004514-2019-08-28 Method Drawing Using pallet truck or fork-lift truck: Lift the VEX unit on the disposa- ble pallet. IMPORTANT: If the disposable pallet cannot be used, the forks on the lifting equipment must be long enough to prevent damage to the bottom of the unit.
Page 21: Internal Transport With Reduced Weight
The table below shows how much weight can be reduced by removing the various parts. Parts Weight, VEX140H and VEX140V Fan, 2 items at 15.5 kg = 31 kg Crossflow heat exchanger, 1 item at...
Page 22 Handling 3004514-2019-08-28 Horizontal and Ver- To remove the service doors: tical VEX: Remov- ● Open both doors. ing the service ● Using a small punch or similar tool, knock the pin out of the top of the door doors hinges (A), and lift the doors off. Hori- zontal Detail A...
Page 23 Handling 3004514-2019-08-28 To remove the fan unit Step Action Remove the fixing screw from the sliding rail, and release the ties on the motor cable. Pull the fan unit out to the stop (two screws) on the sliding rail. Dismount the motor cable from the motor con- trol on the sliding panel and pull it towards the motor through the rubber grommets.
Page 24 Handling 3004514-2019-08-28 To remove the fan unit Step Action Remove the fixing screw from the sliding rail, and release the ties on the motor cable. Pull the fan unit out to the stop (two screws) on the sliding rail. Dismount the motor cable from the motor control on the sliding panel and pull it to- wards the motor through the rubber grom- mets.
Page 25: Mechanical Assembly
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 air handling unit can be fitted horizontally on a surface that is not level ( +/- 20 mm per metre).
Page 26: Establishment Of Condensation Outlet - Ceiling Vex
Solution with HT Use HT pipe (HT, DN32, DIN4102), if the above solution is not employed (not sup- pipe plied by EXHAUSTO). If the VEX is erected on a mounting base, this will allow sufficient free height for installing a water trap.
Page 27: Water Heating Coil
Mechanical assembly 3004514-2019-08-28 Siphon water trap The solution using a siphon water trap is described in an earlier section and can also be used for the ceiling VEX. Use the supplied adapter fitting (Ø18/DN32). 3.3 Water heating coil 3.3.1 Principles for connecting the water heating coil Mixing loop The diagrams below are simplified.
Page 28 I - AB Pressure difference regulator* Impurity trap* *) not EXHAUSTO delivery (refer to the technical specifications in section 7). Bleeding Following connection of water supply to the unit: ● Bleed the system thoroughly using the upper bleed screw on the water heat-...
Page 29: Mvm Valve
Mechanical assembly 3004514-2019-08-28 Insulate the supply The pipes and post-heating coil must be insulated according to pipe and heating applicable regulations coil 3.3.2 MVM valve Screening Screen the valve motor from direct sunlight. Due to heat emissions, the valve mo- tor must not be encapsulated (max.
Page 30: Electrical Installation
Electrical installation 3004514-2019-08-28 4. Electrical installation 4.1 Electrical installation See the attached instructions "Guide to Electrical Installation of VEX140-X with water heating coil". 30/44...
Page 31: Maintenance, Hygiene And Servicing
● 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 32: Servicing And Cleaning
Maintenance, hygiene and servicing 3004514-2019-08-28 The outdoor air side of the unit must as a minimum be fitted with an ePM 55% filter (F7) to meet VDI 6022 requirements. 5.3 Servicing and cleaning 5.3.1 Filter replacement Disconnect power at the isolation switch before opening the door.
Page 33: Airflow Measurement
Maintenance, hygiene and servicing 3004514-2019-08-28 Step 1-9 Action Slightly pull the heat exchanger out of the VEX and remove the plug from the bypass mo- tor. Hold down the split pin under the plug using a screw driver, see images: Remove the crossflow heat exchanger.
Page 34 Maintenance, hygiene and servicing 3004514-2019-08-28 Airflow: Airflow q (l/s, m /h) can be read from the dif- ferential pressure Δp [Pa] Extract air Δp [Pa] M1.2 1.2X 1.2Y Supply air Δp [Pa] M2.2 2.2X 2.2Y Pressure drop across: Extract air filter Δp [Pa] 1.1X...
Page 35 Maintenance, hygiene and servicing 3004514-2019-08-28 Supply air Supply airflow diagram: Extract air Extract airflow diagram: 35/44...
Page 36: Technical Data
Technical data 3004514-2019-08-28 6. Technical data 6.1 Weight, corrosion class, temperature ranges, etc. Weight Data Horizontal and Vertical VEX VEX total weight 190 kg Door(s) 2 x 13.5 kg Crossflow heat exchanger 27 kg Fan unit 2 x 15.5 kg VEX for internal transport (without doors, heat 105 kg exchanger and fan unit)
Page 37: Panel Filters
Technical data 3004514-2019-08-28 6.2 Panel filters VEX140 Data Device Dimensions: h x w, 1 item per air direction 490 x 648 Panel filter thickness Temperature resistant to °C Filter class according to ISO 16890 Filter class according to EN 779 Final pressure drop For the final pressure drop over the filter, the lower of the following two methods is recommended.
Page 38: Water Heating System
2 Number of circuits qty. 4 Pipe connection DN15 (½") Fin spacing 2.1 mm Permissible media temperature 5..0.95℃ Recommendation A precise calculation of the heating coil is recommended, to be carried out with calculation program EXselect, available on www.exhausto.dk. 38/44...
Page 39: Capacity Diagram
Air flow rate Recommendation You are recommended to make a more precise calculation of the unit's capacity with the EXselect calculation program, available on the EXHAUSTO web- site. 6.5 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 40: Environmental Declaration
3004514-2019-08-28 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.
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This manual is also suitable for:

Vex140 Vex140v