IV Produkt Envistar Flex Series Operation And Maintenance Instructions
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IV Produkt Envistar Flex Series Operation And Maintenance Instructions

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Operation and maintenance instructions
Envistar
Flex
®
Air Handling Unit
Envistar Flex 060–1540 and Home Concept FTX Flex 060-600
Order number :
Objects:
Translation of the original instructions

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Summary of Contents for IV Produkt Envistar Flex Series

  • Page 1 Operation and maintenance instructions Envistar Flex ® Air Handling Unit Envistar Flex 060–1540 and Home Concept FTX Flex 060-600 Order number : Objects: Translation of the original instructions...
  • Page 3 Unit specifications Unit type Size Home Concept Version  060  300  740  100  360  850  150  400  980  Control equipment 190  480  1250   240  600  1540 ...

  • Page 4: Table Of Contents

    Table of Contents Safety precautions 1.1 Lockable safety switch ........................ 1.2 Inspection doors ..........................1.3 Electrical connection ........................1.4 Cooling unit/Revresible heat pump ..................General 2.1 Intended use ............................2.2 Manufacturer ............................2.3 Designations ............................2.4 CE marking and EU Declaration of Conformity ............
  • Page 5 Table of Contents, cntd Operation 5.1 Hygiene inspection ........................5.2 Actions in case of standstill ....................5.3 Commissioning ..........................Maintenance instructions 6.1 Service schedule ........................... 6.2 Filter ..............................6.3 Rotary heat exchanger (code EXR) .................. 6.4 Plate heat exchanger (code EXP) ..................

  • Page 6: Safety Precautions

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 6 1 Safety precautions Observe warning labels on the unit as well as the following safety precautions: 1.1 Lockable safety switch WARNING! High voltage and rotating fan impeller, risk of personal injury. Working on/servicing the unit –...

  • Page 7: General

    Envistar Flex DSEF181201.00.EN Page 7 2 General 2.1 Intended use The air handling units in the Envistar Flex series are intended for comfort ventila- tion in buildings. 2.2 Manufacturer The Envistar air handling units (AHUs) are manufactured by: IV Produkt AB Sjöuddevägen 7...

  • Page 8: Ce Marking And Eu Declaration Of Conformity

    Order Unique Documentation at docs.ivprodukt.com. The CE marking applies to units that IV Produkt AB manufactures and supplies in the form of a unit without additional control equipment. For the CE marking of IV products to apply, the applicable requirements of the EU Machinery Directive 2006/42/EC and related directives for control equipment shall be met when installed for the unit.

  • Page 9: Handling Of Refrigerant

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 9 2.6 Handling of refrigerant The following information summarises the requirements and guidelines for han- dling the refrigerant used in cooling units. For further information, see the F-gas Regulations (EU/517/2014) and the Refrigerant Regulations (SFS 2016:1128). The purpose of the regulations is to contribute to achieving EU goals for reduced climate impact in accordance with the Kyoto Protocol.

  • Page 10: Extended Warranty

    In cases in which the equipment delivered falls under a 5-year warranty, in ac- cordance with ABM 07 with supplement ABM-V 07 or in accordance with NL 09 with supplement VU13, the IV Produkt Service and Warranty Manual is supplied with the product.

  • Page 11: Technical Description

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 11 3 Technical description 3.1 Envistar Flex air handling unit The Envistar Flex is manufactured as a modular unit comprising block sections in various sizes. The versions are named according to the supply air and can be freely selected: right-hand or left-hand, up or down.

  • Page 12: Wiring Instructions And Fuse Protection

    Unique Documentation at docs.ivprodukt.com (Technical Data and Control Dia- gram), or the product program IV Produkt Designer. Recommended fuse protection refers to fuses with type C characteristics. 4.2 MK – Fans and heat exchangers electrically connected to terminal For units supplied without control equipment but with fans and heat exchangers connected electrically to terminals (code MK).

  • Page 13: Hs, Us - Without Control And Without Electrical Connection

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 13 4.3 HS, US - Without control and without electrical connection • For units without control equipment and without electrical connection (code HS), a control diagram is available for the heat exchanger at docs.ivprodukt.
  • Page 14 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 14 Fans (ELFF) Read and make a note of the size and power shown on the fan data label; see example on previous page. Actual connection instructions can be found below. ELFF Ziehl EC ELFF EBM EC 1×230 V 0.50-0.78 kW...
  • Page 15 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 15 ELFF EBM EC dual fans ELFF Danfoss PSM1 dual fans 2 × 3×400 V 1,74-5.7 kW 2 × 3×400 V 11-15 kW fan impeller 2 x 045-056 fan impeller 2 x 080 Size 400-980 Size 1540 INKOPPLING DUBBELFLÄKT / WIRING DOUBLE FAN...
  • Page 16 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 16 Rotary heat exchanger (code EXR) Size 980 IBC Size 060-150 EMX-P10 A1 A2 A3 POWER SUPPLY 1×230 V AC Manual Input Rota- Reset high/low signal tion CONTROL speed monitor 0-10 V DC –...

  • Page 17: Operation

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 17 5 Operation 5.1 Hygiene inspection Envistar Flex conforms to guidelines in VDI 6022 Part 1: Hygiene and Hygiene Inspections of HVAC Systems. For this to apply, a hygiene inspection of the system must be carried out and the system must be cleaned thoroughly as needed before start-up.

  • Page 18: Commissioning

    The validity of the product warranty is conditional on the system having been correctly commissioned. Working on the cooling unit/reversible heat pump dur- ing the warranty period without the approval of IV Produkt shall render the war- ranty void. Prior to commissioning, the contractor must:...

  • Page 19: Maintenance Instructions

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 19 6 Maintenance instructions 6.1 Service schedule The service schedule comprises actions and service intervals for functional sections that can be part of the air handling unit. The unit consists of one or more of these functional sections. The relevant parts are shown in the order document Technical Data.
  • Page 20 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 20 Home Concept model Service year 20 for unit no. Service performed * (date and signature) .......... Recommended action Page 3000 h / 6000 h / 9000 h / 12,000 h / Functional section Code...

  • Page 21: Filter

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 21 6.2 Filter Filters (code ELEF) The air filters in an air handling unit are designed to prevent dust and other impurities from entering the building. They should also protect sensitive com- ponents inside the unit, e.g.
  • Page 22 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 22 The aluminium filter is intended for use where the extract air contains grease particles to avoid grease being sucked into the unit. The filter is a knitted flat- type filter. The aluminium filter can be cleaned using hot water and a mild deter- gent.
  • Page 23 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 23 – – xx Pa xx Pa If the filter has reached its specified final pressure drop, it should be changed. The final pressure drop is specified on the filter section decal (filled in when the air handling unit is put into operation).
  • Page 24 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 24 Filter replacement 1. Shut down the unit via the service switch in the control equipment, safety switch in the 0 position. The safety switch is not designed for starting/stopping the unit. Always use the service switch in the control equipment to start and shut down the unit.

  • Page 25: Rotary Heat Exchanger (Code Exr)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 25 6.3 Rotary heat exchanger (code EXR) The purpose of the recovery unit is to recover heat from the extract air and transfer this heat to the supply air in order to minimise energy use. Faults in recovery unit functionality result in reduced heat recovery efficiency and increased energy use and means that the design supply air temperature...
  • Page 26 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 26 8. Check the pressure balance. To ensure correct function of the purging sec- tor, the negative pressure at P3 should be greater than the negative pressure at P2 (min. diff. 25 Pa). Otherwise an ETET-TR trim damper can be used on the extract air side in order to throttle in the correct pressure balance.
  • Page 27 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 27 - Read the rec. setting (adjustment hole in the purging sector) from the table below. Adjustment hole in the purging sector Rotor vari- 5 open* 1 closed NO, NE, HY, Diff.

  • Page 28: Plate Heat Exchanger (Code Exp)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 28 6.4 Plate heat exchanger (code EXP) The purpose of the plate heat exchanger is to recover heat from the extract air and transfer this heat to the supply air in order to minimise energy use.
  • Page 29 When there is a risk of frost, the dampers can be in different positions. The defrost and bypass function is preset at the factory and any adjustments may only be performed by IV Produkt. Functional description, frosting function (BYP) (EXMM-NP, EXPP-NO/NP/XP) Under certain operating conditions, frost and ice may build-up on the extract air side of the plate heat exchanger.

  • Page 30: Run-Around Coil Unit (Code Exl)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 30 6.5 Run-around coil unit (code EXL) The run-around coil unit is used to recover heat from the extract air and trans- fer this heat to the supply air for reduced energy use. The run-around coil unit consists of the extract air coil with drip tray and the supply air coil (heating coil) mounted in the casing.
  • Page 31 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 31 Cleaning If the fins on the coils are dirty, vacuum them from the inlet side. Alternatively, you can blow them clean with compressed air from the outlet side. If they are particularly dirty, clean them with hot water mixed with dishwashing detergent (that will not corrode aluminium).

  • Page 32: Air Heater Water (Code Emt-Vv, Mie-Cl/Elev)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 32 6.6 Air heater water (code EMT-VV, MIE-CL/ELEV) Air Heater Water (code EMT-EV) and Air Heater Water (code MIE-CL/ELEV) The heating coil consists of a number of copper tubes with aluminium fins pressed on them.
  • Page 33 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 33 Additional maintenance for Thermoguard (code ESET-TV, MIE-CL/ELTV) 1. The ThermoGuard coil must be fitted with a safety valve, the function of which should be checked regularly (at least once a year). If you see that the valve is leaking, this is normally due to impurities from the pipe system that have accumulated on the valve seat.

  • Page 34: Air Heater Electric (Code Eset-Ev, Mie-El/Elee)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 34 6.7 Air heater electric (code ESET-EV, MIE-EL/ELEE) Air heater electric (code ESET-EV) and air heater electric (code MIE-EL/ELEE) The heating coil consists of “unsheathed” electric heating rods. A substantial accumulation of dust or other impurities on the heating rods will cause them to overheat.

  • Page 35: Air Cooler Water

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 35 6.8 Air cooler water (code ESET-VK, ESET-DX, MIE-CL/ELBC, MIE-CL/ ELBD) Air cooler (code ESET-VK, ESET-DX) and air cooler (code MIE-CL/ELBC, MIE-CL/ELBD) The cooling coil consists of a number of copper tubes with aluminium fins pressed onto them.

  • Page 36: Fan Unit (Code Elff)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 36 6.9 Fan unit (code ELFF) The purpose of the fans is to transport air through the system, i.e. the fan must overcome the flow resistance in air terminals, air ducts and the unit. The fan speed is regulated to provide correct air flow.
  • Page 37 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 37 Inspection 1. Prepare access: Size 060–400: The fans are mounted on rails. Remove one end of the fan assembly’s earth braid. Loosen the screws (position 1) and the pins/screws (position 2) and pull out the fan units (fan and motor are mounted on rails).
  • Page 38 Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 38 Cleaning 1. Follow items 1-7 under Inspection. 2. Wipe the fan impeller blades to remove any coatings. Use an environmentally friendly degreasing agent. 3. The external surfaces of the motor must be kept clean from dust, dirt and oil.

  • Page 39: Damper (Code Ebe, Eset-Tr, Emt-01, Mie-Iu, Eau)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 39 6.10 Damper (code EBE, ESET-TR, EMT-01, MIE-IU, EAU) Dampers may have different functions and be positioned in different places. The following product codes/components contain dampers: • EBE recirculating unit with shut-off/regulated damper •...

  • Page 40: Sound Attenuators (Code Emt-02, Mie-Kl)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 40 6.11 Sound attenuators (code EMT-02, MIE-KL) Sound attenuator (code EMT-02) and sound attenuator (code MIE-KL) The purpose of the sound attenuator is to reduce the sound power level in the system.

  • Page 41: Filter Bypass (Code Enft-10)

    Operation and maintenance instructions for Envistar Flex DSEF181201.00.EN Page 41 6.12 Filter bypass (code ENFT-10) Filter bypass (code ENF) The purpose of the filter bypass is to reroute the air flow in the event of a fire. Faulty function gives rise to disturbances that may result in serious problems. Inspection 1.
  • Page 44 You are welcome to contact us Switchboard: + 46 (0)47 075 88 00 Control support: +46 (0)47 075 89 00 styr@ivprodukt.se Service: +46 (0)47 075 89 99 service@ivprodukt.se Spare parts: +46 (0)47 075 88 00 order@ivprodukt.se Visit our website: www.ivprodukt.com Documentation for your unit: docs.ivprodukt.com Technical documentation:...

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