IV Produkt Envistar Flex User manual

Assembly Instructions
Envistar Flex
Size 060-1540
Translation of the original instructions

Assembly Instructions
Envistar Flex
Ver 2_en_2022-06-27
CONTENTS
1 SAFETY ................................................................................................................................ 7
1.1 Intended use.................................................................................................. 7
1.2 General safety ............................................................................................... 7
1.3 Product liability ............................................................................................. 9
1.4 Receive, unpack ......................................................................................... 10
1.5 Storage, transport....................................................................................... 10
1.6 Lifting the unit, unit parts ........................................................................... 10
1.7 After the lifetime of the product ................................................................ 10
2 GENERAL INFORMATION ................................................................................................ 11
2.1 IV Produkt’s order portal, support............................................................. 11
2.2 Information messages, not safety-related ............................................... 11
2.3 Tools for assembly ...................................................................................... 11
2.4 Spare parts .................................................................................................. 11
2.5 Symbols on drawings and in manual ........................................................ 12
3 DESCRIPTION OF THE UNIT............................................................................................ 13
3.1 Configuration of the unit ............................................................................ 13
3.2 Orientation of the unit’s sides/parts.......................................................... 13
4 LIFT THE UNIT................................................................................................................... 14
4.1 Lifting with forklift....................................................................................... 15
4.2 Lifting brackets, pre-mounted lifting lugs, spreader bar ........................ 15
4.3 Lift of double stacked parts (parts on top of each other) ....................... 15
4.4 Lift with bracket EMMT-08, for 50 profile ................................................. 16
4.5 Lift with bracket EMMT-12, for 60 profile ................................................. 17
4.6 Lifting of unit pre-mounted on support .................................................... 18
4.7 Lifting of unit pre-mounted on base frame............................................... 19
4.8 Lifting thermal wheel (1250-D1, 1540-D1) from truck.............................. 20
5 PREPARE ASSEMBLY ....................................................................................................... 21
5.1 Sectioned configuration (Easy Access) .................................................... 21
5.2 Create service area, electrical safe distance ........................................... 21
5.3 Prepare for outdoor version....................................................................... 22
6 ASSEMBLY, GENERAL ...................................................................................................... 23
6.1 Assembly, step by step............................................................................... 24
6.2 Assemble fan room support (EMMT-05) ................................................... 24
6.3 Fit sealing strip ........................................................................................... 25
6.3.1 Sealing strip in outdoor version .................................................................................26
6.4 Join the parts together............................................................................... 26
6.4.1 Join with screw joints.................................................................................................26
6.4.2 Join together with tensioning lugs .............................................................................27
6.4.3 Join with guide pins ...................................................................................................27

Ver 2_en_2022-06-27
Assembly Instructions
Envistar Flex
6.5 Quick connectors........................................................................................ 28
6.5.1 Quick connector, signal feed .....................................................................................28
6.5.2 Quick connector, power supply .................................................................................28
6.6 Disassemble/Reassemble/Refit Fan ......................................................... 29
6.6.1 Disassembling the fan................................................................................................29
6.7 Fit cover detail on join ................................................................................ 30
7 ASSEMBLY, SECTIONED CONFIGURATION ................................................................... 31
7.1 Assemble control cabinet .......................................................................... 32
7.2 Assemble fan and filter (ENF) .................................................................... 33
7.3 Assemble counter-flow heat exchanger (EXM)........................................ 34
7.4 Assemble rotary heat exchanger (EXR) .................................................... 35
7.5 Assemble cooling unit EcoCooler (ECO/ECX), ThermoCooler HP......... 39
7.5.1 Assemble the media cabinet sheet metal strips .......................................................40
7.5.2 Disassemble trim heater/coil......................................................................................40
7.5.3 Reassemble trim heater/coil ......................................................................................40
7.6 Assemble mixing section (EEC), media section (EMR) ........................... 41
7.7 Assemble smoke gas connection (EKR)................................................... 41
7.8 Assemble cross-flow section (ERX/EKX) ................................................. 42
7.9 Assemble coil recovery (EXL) .................................................................... 42
8 CONNECT COIL, WATER .................................................................................................. 43
8.1 Connect coil to pipelines............................................................................ 43
8.2 Connect heating coil................................................................................... 43
8.2.1 Heating coil (ELEV) in unit, (EMT-VV) in duct .............................................................43
8.3 Connect cooling coil................................................................................... 44
8.3.1 Cooling coil (ELBC) in unit, (ESET-VK) in duct ...........................................................44
8.4 Connect frost protection sensor ............................................................... 44
8.4.1 Connect immersion sensor........................................................................................44
8.4.2 Contact clamp on detector........................................................................................45
8.5 Connect pipes for bleeding and drainage ................................................ 45
8.6 Assemble valve actuator ............................................................................ 46
8.7 Assemble pump, pipework package ........................................................ 46
9 CONNECT COIL, ELECTRIC............................................................................................. 47
9.1 Connect air heater electric (ESET-EV), (ELEE), trim heater (ECXT-EV),
(TCHT-EV)..................................................................................................... 47
9.1.1 Heating coil electric, (ELEE) in unit, (ESET-VK) in duct..............................................47
9.1.2 Trim heater, EcoCooler (ECXT-EV), Thermocooler HP (TCHT-EV) .............................47
10 CONNECT CONTROL EQUIPMENT................................................................................. 48
10.1 Connect quick connectors between unit parts........................................ 48
10.2 Connect hoses for pressure control ......................................................... 48
10.3 Connect supply air temperature sensor ................................................... 49
11 CONNECT DRAINAGE, WATER TRAP ............................................................................. 50

Assembly Instructions
Envistar Flex
Ver 2_en_2022-06-27
11.1 Connect water trap MIET-CL-04 (accessories) ........................................ 50
11.2 Connect water trap (site built) ................................................................... 50
12 DUCT CONNECTION, ACCESSORIES............................................................................. 51
12.1 Connect to ducts......................................................................................... 51
12.1.1 Connect to rectangular duct ......................................................................................51
12.1.2 Connect to circular duct ............................................................................................51
12.1.3 Connect sleeve (accessories) ....................................................................................51
12.2 Connect duct coils...................................................................................... 51
12.3 Connect sound attenuator (EMT-02) ......................................................... 51
12.4 Connect shut-off damper (EMT-01), and trim damper (ESET-TR)........... 51
13 AFTER ASSEMBLY ............................................................................................................ 52
13.1 Subsequent inspection and maintenance ................................................ 52
14 SUPPORT........................................................................................................................... 52

Page 6 (52) Ver 2_en_2022-06-27
Assembly Instructions
Envistar Flex
ivprodukt.docfactory.com
Order Portal
1 SAFETY
This section addresses important safety aspects of assembly, with the aim of raising safety
awareness and avoiding personal injuries and damage to surroundings and units.
00177
This manual contains important instructions. Read it carefully and follow
the instructions.
Pay special attention to warning and information messages, as well as
markings on the product.
Keep the manual for future use.
•
•
•
1.1 Intended use
Intended use
The product is intended to be used Air handling unit for comfort ventilation in properties.
Intended users
The contents of this manual are intended for personnel assembling the unit on site.
Intended user environment
• The unit is usually placed indoors, but is also available as an outdoor version.
• When installed indoors, the unit must be installed in a ventilated area that maintains a
temperature between +7 and +30 °C, and that maintains a moisture content of <3.5 g/kg in
dry air in the winter.
• The unit can also be equipped for assembly in cold attics.
Unintended use
Any use other than specified in Intended use is prohibited unless specifically permitted by IV
Produkt. It is not permitted to use the unit in potentially explosive environments.
1.2 General safety
Failure to comply with the safety precautions may result in injury to persons or damage to air
handling units. To avoid personal injuries and damage to surroundings or units:
• Follow national and local laws/regulations for safe work, e.g. fall protection when working
at a height.
• Do not wear loose clothing or jewellery that may get stuck.
• Do not step or climb on the unit.
• Use appropriate tools.
• Use appropriate personal protective equipment.
• Note the unit’s markings: product signs, information and warning stickers.
Personal protective equipment
Personal protective equipment must always be used based on the risks present in the work-
place. For example, wear protective shoes with steel toecaps, hearing protection, protective
helmet, gloves, safety glasses or goggles, fully-covering clothing, safety overalls, mouth-
guard/protective mask and/or fall protection where the work and work environment requires it.

Page 7 (52)
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Assembly Instructions
Envistar Flex
Warning notices
Warning notices in the instruction warn of risks when handling and assembling the product.
Carefully follow the instructions contained in warning notices.
The warning symbol indicates that a risk exists.
WARNING! indicates a potential risk that, if not avoided, can cause life-threatening or
serioussituations that can lead to death or personal injury.
CAUTION! indicates a potential risk that, if not avoided, could cause material damage
to the product or surroundings as well as impairment of product function.
“Risk of xxxxxx. “ indicates the risk in a short risk title.
A description in italics provides more detailed information about what the risk entails.
• The bullet points indicate how the user avoids harm.
General warning notices
00176
Electrical voltage can cause electric shock, burns and death. The product
must not be energised during assembly.
Electrical connection and electrical work may only be carried out by a
qualified electrician.
For initial start-up of the unit, see Operation and Maintenance of the unit
on IV Produkt's order portal.
•
•
Risk of life-threatening or serious personal injury.
WARNING!
00189
Art. Nr. 19194-0013
Follow the lifting and assembly instructions in this manual.
Use lifting equipment where available.
Use appropriate protective equipment.
Exercise caution when working between unit parts.
Exercise caution when placing unit parts on the support.
Use the support to secure the parts against possible tipping risk.
•
•
•
•
•
•
High unit parts, as well as unit parts with a high or oset centre of gravity,
mean a greater risk of tipping.
Risk of life-threatening or serious crushing or compression
injury.
WARNING!
00179
Follow the lifting and assembly instructions in this manual.
Use lifting equipment where available.
Use appropriate protective equipment.
•
•
•
The unit parts are often heavy and cannot be lifted by hand. See weights
indicated on the layout drawing.
Risk of life-threatening or serious crushing or compression
injury.
WARNING!

Page 8 (52) Ver 2_en_2022-06-27
Assembly Instructions
Envistar Flex
ivprodukt.docfactory.com
Order Portal
00180
Follow the instructions for lifting in this manual.
Never exceed the specified weight for the respective lifting method or
lifting equipment.
Slide stops must be fitted when lifting, if bracket is used.
Replace used T-bolts and nuts with new ones after each lift.
•
•
•
•
A falling unit when lifting can cause crushing injuries.
Risk of serious crushing injury.
WARNING!
00181
Use appropriate personal protective equipment when the work
requires it.
•
Sharp edges can cause cuts.
Risk of cutting.
WARNING!
Safety symbols, signs on the unit
Keep signs and stickers free of dirt. Replace missing, damaged or unreadable signs and
stickers on the machine. Contact IV Produkt for replacement stickers by specifying the article
number.
Type plate
The unit and any associated cooling unit/reversible heat pump have a type plate affixed to the
front. The type plate is used, among other things, for identification of the product.
00043
Ordernr / Order No / Tilaus nr / Nr zam / Auftragsnr.
Modell / Model / Malli / Model / Modell
Produktkod / Product code / Tuotekoodi / Kod produktu / Produktcode
Aggregatbeteckning / Project / Kohde / Agregat / Bezeichnung
Tillv.ort / Made in / Valmistettu / Produkcja / Herst.Ort
Tillv.m / Manuf.m. / Valmistus. k / Miesiav pr / Herst.Monat
XXXX-XXXX
Envistar
XXX-X-01-XX-XX-X-XX
XX-LAXX
VÄXJÖ, SWEDEN
YYMM
1
2
3
4
5
6
7
Figure: Example of a unit type plate
1. Order number
2. Product name/model
3. Product code
4. Unit designation
5. Place of manufacture
6. Date of manufacture
7. QR code
Report accidents, incidents
Accidents or incidents are reported to IV Produkt.
1.3 Product liability
The unit complies with industry requirements for quiet air handling units with high-efficiency
recovery systems for heating and cooling.
Declaration of conformity (CE marking)
The air handling unit and any associated cooling unit or reversible heat pump are CE marked
and meet the applicable requirements of the related directives under the declaration of
conformity. The declaration can be downloaded from IV Produkt’s order portal. See "1.1
Intended use”, page 6. The CE declaration applies only to the unit in the configuration in
which it was delivered and assembled according to this assembly instruction. The declaration
does not include components added later or modifications to the unit.

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Assembly Instructions
Envistar Flex
Nor does the declaration apply to other plant in which the unit forms a part. The product may
not be put into service until the plant in which it is included complies with the requirements for
CE marking.
Manufacturer
The air handling unit is manufactured by:
IV Produkt AB, Sjöuddevägen 7, SE-350 43 VÄXJÖ
Warranty
For proper function and for the warranty to be valid, the assembly instructions must be
followed.
Extended warranty
Extended warranty is a supplement to the order and to claim extended warranty (5 years),
according to ABM07 with Appendix ABM-V07 or according to NL17 with Appendix VU20, a
complete documented and signed IV Produkt Service and Warranty book must be presented.
Disclaimer
Continuous product development may give rise to specification changes without notice.
1.4 Receive, unpack
Check the goods on arrival, to ensure that no damage has occurred during transport.
When delivered, the product is packaged with plastic to protect against rain and dirt. The
packaging should be kept on as long as possible to avoid penetration of dirt and dust into the
unit. Duct connections on outdoor units are protected with a sheet metal covering.
1.5 Storage, transport
For temporary storage, the product should be placed on a flat surface, in a dry environment.
The original packaging should be unbroken. Condensation water, which can occur during
storage in fluctuating temperatures, normally dries up when the unit is installed and in opera-
tion. For extended periods of storage outdoors, the packaging should be opened to ensure
ventilation inside the parts. The parts of the unit should be protected from rain, snow and
sunlight.
1.6 Lifting the unit, unit parts
Lifting should be carried out according to lifting instructions in this document, "4 LIFT THE
UNIT”, page 13 as well as according to markings and signs on the unit. If there are no lifting
instructions or markings, lifting must be carried out according to lifting methods prepared by
the transport industry.
1.7 After the lifetime of the product
For dismantling and decommissioning of air handling units, follow the instruction “Air handling
unit, dismantling and decommissioning” on IV Produkt’s order portal. See "1.1 Intended use”,
page 6.

Page 10 (52) Ver 2_en_2022-06-27
Assembly Instructions
Envistar Flex
ivprodukt.docfactory.com
Order Portal
2 GENERAL INFORMATION
This section contains general information that is not safety-related. For safety-related informa-
tion, see "1 SAFETY”, page 6.
2.1 IV Produkt’s order portal, support
All documentation associated with an order can be downloaded from
IV Produkt’s order portal. If possible, wait 2 weeks after delivery for full documentation. If
the order is not found, it may undergoing processing. If you have any questions, contact the
appropriate department for support. See contact details on the last page of the manual.
Enter ivproduct.docfactory.com in the browser or scan the QR code in the top left corner of
the manual.
1. Select “YOUR UNIT”.
2. Enter order number.
3. Click the magnifying glass.
General documentation that is not specific to order is retrieved under “ALL DOCUMENTA-
TION”.
2.2 Information messages, not safety-related
00182
Symbol together with information text highlights diculties and also gives
tips and recommendations.
2.3 Tools for assembly
A bag of screws, nuts, corner fittings and other items to be used for assembly is supplied with
each unit. The following tools are suitable for assembly:
• Power screwdriver with
16-socket, 13-socket,
1/4-inch bit and star bit
• Screwdriver
• Spirit level
• Putty syringe
• Rubber mallet
• Scissors
• Polygrip pliers
• Box spanners 13, 16, 18,
19
• Wooden blocks to lay
between support and
road
• Pop riveter
• Lubricating grease in
spray bottle
• Pipe cutter
2.4 Spare parts
Spare parts and accessories for this unit are ordered from IV Produkt's nearest sales
office. State the order number and unit designation. These can be found on a model iden-
tification label, affixed to each part/component. Download separate spare parts list on
IV Produkt’s order portal. See "1.1 Intended use”, page 6.