IV Produkt Envistar Flex 060 Operation And Maintenance
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IV Produkt Envistar Flex 060 Operation And Maintenance

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Operation and Maintenance
Envistar Flex 060–1540
Home Concept FTX Flex 060-600
Order number:
Project:
Translation of the original instructions

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Summary of Contents for IV Produkt Envistar Flex 060

  • Page 1 Operation and Maintenance Envistar Flex 060–1540 Home Concept FTX Flex 060-600 Order number: Project: Translation of the original instructions...
  • Page 2 Unit specifications Cooling unit ECO, ECX Size  Reversible heat pump TCH 060  300  740   100  360  850  Home Concept model  150  400  980  190  480  1250  Control equipment 240 ...

  • Page 3: 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 4 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 5: Safety Precautions

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 5 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 – Shut down the unit via the ser- vice switch in the control equipment, then turn the safety switch to the 0 position and lock it.

  • Page 6: General

    <3.5 g/kg in the fan room in winter. The unit can also be equipped for outdoor installation. Any other use and installation in other environments is prohibited unless specifi- cally permitted by IV Produkt AB. 2.2 Manufacturer The Envistar air handling units (AHUs) are manufactured by: IV Produkt AB Sjöuddevägen 7...

  • Page 7: Ce Marking And Eu Declaration Of Conformity

    CO Refrigerant charge Circuit 3 ton CO Contains fluorinated greenhouse gases covered by the Kyotot protocol. IV Produkt AB 0409 VÄXJÖ, SWEDEN Typical CE label for cooling units For units without integrated control equipment The EC declaration applies only to units in the condition in which they have been delivered and installed at the facility in accordance with the enclosed installation instructions.

  • Page 8: 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 9: Technical Description

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 9 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 10: 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 Code MK - units supplied without control equipment but with fans and heat ex- changers connected electrically to terminals.

  • Page 11: Hs, Us - Without Control And Without Electrical Connection

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 11 4.3 HS, US - Without control and without electrical connection • Code HS - units without control equipment and without electrical connec- tion, control diagrams are available for the heat exchanger under order unique documentation at docs.ivprodukt.com, for other connection instruc- tions, see below.
  • Page 12 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 12 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 3×400 V 1.10-5.70 kW...
  • Page 13 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 13 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 14 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 14 Rotary heat exchanger (code EXR) Size 1250-1540 IBC control Size 060-150 Emotron 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 15: Operation

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 15 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 16: Commissioning

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

  • Page 17: Maintenance Instructions

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 17 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 18 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 18 Continuation Service schedule Service year 20 or unit no. Service performed * (date and signature) ..........Recommended ac- Page Functional section Code 12 mths 24 mths 36 mths 48 mths tion (insp.) ref.

  • Page 19: Filter

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 19 6.2 Filter (code ELEF) Filter 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. water coils and heat exchangers, from exposure to impurities.
  • Page 20 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 20 Filter for the Home Concept (code ECF) version The filter cabinet is an optional extra for the Home Concept version and can be used for • aluminium filter on the extract air side •...
  • Page 21 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 21 Inspection Check the pressure drops across the filters (not carbon filter Black Ridge in Home Conceptversion). Pressure drop is measured with a manometer connec- ted to measurement outlets. The measurement outlets are connected to each side of the filter.
  • Page 22 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 22 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 23: Rotary Heat Exchanger (Code Exr)

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 23 6.3 Rotary heat exchanger (code EXR) Rotary heat exchanger 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 cannot be obtained when the outdoor temperature is low.
  • Page 24 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 24 2. Wait until the fans have stopped, then open the inspection door. WARNING! Positive pressure inside the unit, risk of personal injury. Allow the pressure to drop before you open the inspection doors. 3.
  • Page 25 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 25 For the standard version: To ensure correct function of the purging sector, 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 26 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 26 - Read the recommended setting (adjustment hole in the purging sector) from the table below. Adjustment hole in the purging sector Rotor vari- open* closed NO, NE, Diff. pressure < 200 200 – 400 400–600 >...

  • Page 27: Plate Heat Exchanger (Code Exp)

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 27 6.4 Plate heat exchanger (code EXP) Crossflow plate heat exchanger, EXP Counterflow flow plate heat exchanger, EXM 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 28 Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 28 Inspection 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 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 Envistar Flex DSEF191101.04.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 Envistar Flex DSEF191101.04.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 Envistar Flex DSEF191101.04.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 press- sed on them.
  • Page 33 Operation and Maintenance Envistar Flex DSEF191101.04.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 Envistar Flex DSEF191101.04.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 (Code Eset-Vk, Eset-Dx, Mie-Cl/Elbc, Mie-Cl/Elbd)

    Operation and Maintenance Envistar Flex DSEF191101.04.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 press- sed onto them.

  • Page 36: Fan Unit (Code Elff)

    Operation and Maintenance Envistar Flex DSEF191101.04.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 Envistar Flex DSEF191101.04.EN Page 37 Inspection Example of fan unit 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 Envistar Flex DSEF191101.04.EN Page 38 8. Check that the measurement tubes are securely fitted on each measurement outlet. 9. Remount the fan units. 10. Check the air flows by: – reading the flow display on the Climatix display unit for units with control equipment (code MX).

  • Page 39: Dampers (Code Eset-Tr, Emt-01)

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 39 6.10 Dampers (code ESET-TR, EMT-01) Dampers may have different functions and be positioned in different places. • EMT-01 shut-off/ regulated damper • ESET-TR trim damper with manual control Examples of dampers The purpose of the dampers is to regulate the air flow. Faulty function gives rise to disturbances that may result in serious problems.

  • Page 40: Outdoor Intake Section With Shut-Off Damper (Code Mie-Iu)

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 40 6.11 Outdoor intake section with shut-off damper (code MIE-IU) Outdoor intake section with shut-off damper is equipped with intake louvre and drainage. Inspection 1. Check the function of the damper actuator. 2. Check the dampers for tightness when they are closed. If they are not sea- led, adjust the damper actuator to make the damper tight.

  • Page 41: Outdoor Exhaust Air Section With Shut-Off Damper (Code Eau)

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 41 6.12 Outdoor exhaust air section with shut-off damper (code EAU) Outdoor exhaust air section is used to reduce the risk of short-circuiting bet- ween outdoor air and exhaust air. Inspection 1. Check the function of the damper actuator. 2.

  • Page 42: Recirculating Unit With Shut-Off/Regulated Damper (Code Ebe)

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 42 6.13 Recirculating unit with shut-off/regulated damper (code EBE) The recirculating unit with shut-off/regulated damper is used to recirculate air in conjunction with heating premises at night. Inspection 1. Check the function of the damper actuator. 2.

  • Page 43: Sound Attenuators (Code Emt-02, Mie-Kl)

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 43 6.14 Sound attenuators (code EMT-02, MIE-KL) Sound attenuator (code EMT-02) Sound attenuator (code MIE-KL) The function of the sound attenuator is to reduce the sound level in the system. Inspection Check that the baffle elements are intact and have clean surfaces. Take action if necessary.

  • Page 44: Filter Bypass (Code Enft-10)

    Operation and Maintenance Envistar Flex DSEF191101.04.EN Page 44 6.15 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 45 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 spareparts@ivprodukt.com Visit us at: www.ivprodukt.com Documentation for your unit: docs.ivprodukt.com Technical documentation: docs@ivprodukt.se...

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