1. Manuals
  2. Brands
  3. IV Produkt Manuals
  4. Fan
  5. Envistar Top Series
  6. Operation and maintenance

IV Produkt Envistar Top Series Operation And Maintenance

Air handling unit
Hide thumbs Also See for Envistar Top Series:
Table of Contents

Advertisement

Quick Links

Download this manual See also: Operation and Maintenance
Operation and maintenance
Envistar
Top
®
Air Handling Unit
Envistar Top and Home Concept FTX Top 04-21
Order number :
Project:
Translation of the original instructions

Advertisement

Table of Contents
loading

Related Manuals for IV Produkt Envistar Top Series

Summary of Contents for IV Produkt Envistar Top Series

  • Page 1 Operation and maintenance Envistar ® Air Handling Unit Envistar Top and Home Concept FTX Top 04-21 Order number : Project: Translation of the original instructions...
  • Page 3 Unit specifications Unit type Size ATEM   ATER   ATCR 1V  2V    Home Concept model    Control equipment Filter, supply air  ePM10-65% (M5)   ePM1-50% (F7)   US Black Ridge BR ...

  • 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 ............................. 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 ......................... 5.4 Cooling Status – Cooling unit, size 04 ..............5.5 Cooling Status – Cooling unit, size 06-12 ............. 5.6 Cooling Status – Cooling unit, size 16-21 .............

  • Page 6: Safety Precautions

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.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, 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 7: General

    Envistar Top 04-21 DSET.181201.00.EN Page 7 2 General 2.1 Intended use The air handling units in the Envistar Top 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 Direc- tive 2006/42/EC and related directives for control equipment shall be met when installed for the unit.

  • Page 9: Maintenance

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 9 2.5 Maintenance Continuous maintenance of this unit can be carried out either by the person normally in charge of maintaining the building or through a contract with a well- reputed service company. 2.6 Handling of refrigerant The following information summarises the requirements and guidelines for han- dling the refrigerant used in cooling units.

  • 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 Envistar Top 04-21 DSET.181201.00.EN Page 11 3 Technical description 3.1 Envistar Top air handling unit Envistar Top with counter-flow exchanger (code Envistar Top with rotary heat exchanger (code ATER) ATEM) Envistar Top is manufactured as a compact unit or modularly, depending on the size and version selected.

  • Page 12: Cooling Unit (Code Atcr)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 12 3.3 Cooling unit (code ATCR) The integrated cooling unit with EcoCooler (code ATCR) cooling recovery is available as an optional extra in an Envistar Top unit with a rotary heat exchanger.
  • Page 13 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 13 For size 04-12 The safety circuit consists of a high pressure switch (HP), which protects by trip- ping when there is high pressure in the system. Use the manual reset button on the pressure switch to perform a reset.
  • Page 14 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 14 Cooling circuit function From the compressor, the refrigerant is compressed as hot gas to the condenser, where heat is emit- ted. The refrigerant condenses from gas to liquid when it is cooled by the extract air. The refrigerant passes the pressure reducing expansion valve and undergoes a phase transformation in the evaporator from liquid to gas (the refrigerant evaporates).

  • Page 15: Wiring Instructions And Fuse Protection

    For recommended fuses, refer to Order Unique Documentation at docs.ivprodukt.com (Technical Data and Control Diagram), or the product program IV Produkt Designer. • Top 04-16 have a shared power supply for all unit functions as standard, but can be ordered with separate power supplies on special order.

  • Page 16: Mk - Fans And Heat Exchangers Electrically Connected To Terminal

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 16 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). Connections to terminal blocks are located on each unit section. For wiring instructions and recommended fuses, refer to Order Unique Docu- mentation at docs.ivprodukt.com...
  • Page 17 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 17 Ziehl EC 3×400 V 2.40 / 2.90 kW fan Rotary recovery unit (EMX-B) impeller 040 / 045 Size 21 Sizes 16 and 21 POWER SUPPLY 1×230 V AC Kraftmatning 3×400 V ~ 50 Hz Power supply 3×400 V ~ 50 Hz Brun/Brown Vit/White...

  • Page 18: Operation

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 18 5 Operation 5.1 Hygiene inspection Envistar Top 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 19: Commissioning

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

  • Page 20: Cooling Status - Cooling Unit, Size 04

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 20 5.4 Cooling Status – Cooling unit, size 04 With control equipment (code MX). Status information can be read on the Climatix display (Main menu/Unit/ Cooling). Information Value Explanation Cooling unit status Unit ON Normal status for cooling mode if the compressor is running depends on the cooling...
  • Page 21 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 21 Without control equipment (code UC, MK or US) Status information can be read on the Carel display (Main menu/Status - I/O). Status Value, example Explanation U6 = Cool.demand: Cooling load from ventilation control Remove start delay: No / Yes Opportunity to quick start the compressor if Yes is set.
  • Page 22 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 22 Cooling load, Output signal, Speed High pressure Condensation temperature Status Hot gas temperature Suction gas temperature Low pressure Evaporating temperature Status Status Off/Run/Alarm/Heat Current 4.3 Arms Compressor’s power consumption Voltage 124 Vrms Power to compressor Power...

  • Page 23: Cooling Status - Cooling Unit, Size 06-12

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 23 5.5 Cooling Status – Cooling unit, size 06-12 With control equipment (code MX). Status information can be read on the Climatix display (Main menu/Unit/Cool- ing). Value Explanation Danfoss-VSD Danfoss Variable Speed Drive High pressure x.x bar Relative pressure from high pressure sensor.
  • Page 24 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 24 Without control equipment (code UC, MK, US) Status information can be read on the Carel display (Main menu/Status - I/O). Status Value, example Explanation Compressor: 0.0 Hz Compressor frequency. Drive status: Compressor Off Status of compressor.

  • Page 25: Cooling Status - Cooling Unit, Size 16-21

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 25 5.6 Cooling Status – Cooling unit, size 16-21 With control equipment (code MX). Status information can be read on the Climatix display (Main menu/Unit/ Cooling). Information Value Explanation Cooling unit status Unit ON Normal status for cooling mode if the compressor is running depends on the cooling...
  • Page 26 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 26 Without control equipment (code UC, MK, US) Status information can be read on the Carel display (Main menu/Status - I/O). Status Value, example Explanation B1 = Cool.demand: Cooling load from ventilation control B2 = Heat demand Heating requirement Remove start delay:...

  • Page 27: Maintenance Instructions

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 27 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 sections that pertain to your unit are marked on the list in the table of contents.
  • Page 28 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 28 Cooling unit 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 (insp.)

  • Page 29: Filter

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 29 6.2 Filter Filter (code ATEF) 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 components inside the unit, e.g. water coils and heat exchangers, from exposure to impurities.
  • Page 30 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 30 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 alka- line detergent.
  • Page 31 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 31 of 12 months for lower air flows. To change the value, refer separate Climatix control documentation. Inspection – Check the pressure drops across the filters (not – xx Pa carbon filter Black Ridge in Home Concept version).
  • Page 32 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 32 Filter data For filter data, refer to Filter Overview under Documentation at ivprodukt.docfactory.com. Actual filters are shown in the unit specification in this document and under Order Unique Documentation at docs.ivprodukt.com (Technical Data and Spare Parts List).

  • Page 33: Rotary Heat Exchanger (Code Atrr)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 33 6.3 Rotary heat exchanger (code ATRR) 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.
  • Page 34 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 34 7. Check that the rotor’s inlet surfaces are not covered with dust or other impurities. NB: Avoid touching the rotor inlet and outlet surfaces with your hands or tools. 8. Check the pressure balance. To ensure correct function of the purging sector, the negative pressure at P3 should be greater than the negative pressure at P2 (min.
  • Page 35 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 35 9. Check the differential pressure across the rotor. The purging sector is factory-installed, set to the maximum open position. Depending on the unit’s pressure ratios, the purging sector may need adjustment. An incorrect setting may impair the efficiency.
  • Page 36 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 36 Cleaning • Remove dust by carefully vacuum cleaning using a soft brush. • In the event of stubborn and heavy-duty dirt, the rotor can be sprayed with a mild, alkaline detergent. •...

  • Page 37: Counter-Flow Exchanger (Code Atmm)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 37 6.4 Counter-flow exchanger (code ATMM) The purpose of the counter-flow exchanger is to recover heat from the extract air and transfer this heat to the supply air in order to minimise energy use. Faults in counter-flow exchanger functionality reduce recovery efficiency and increase energy consumption.
  • Page 38 During full heat recovery and when the unit is switched off, the dampers should be fully open (bypass damper closed). The frosting and bypass functions are preset at the factory and any adjustments may only be performed by IV Produkt. Continuous product development may give rise to specification changes without notice.

  • Page 39: Air Heater Water (Code Atev)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 39 6.5 Air heater water (code ATEV) Air heater water (code ATEV) The heating coil (code ATEV) consists of a number of copper tubes with aluminium fins pressed on them. The coil will have impaired capacity if dust forms a coating on the coil surfaces.
  • Page 40 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 40 Additional maintenance for ThermoGuard (code ATTV) 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 41: Air Heater Electric (Code Atee, Atet-Ev)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 41 6.6 Air heater Electric (code ATEE, ATET-EV) for unit mounting (ATEE) and duct mounting (ATET-EV) Air heater Electric ATEE Air heater Electric ATET-EV 04-12 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 42: Air Cooler Water (Code Atet-Vk)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 42 6.7 Air cooler water (code ATET-VK) Air cooler water The cooling coil consists of a number of copper tubes with aluminium fins pressed onto them. The coil will have impaired capacity if dust forms a coating on the coil surfaces.

  • Page 43: Fan Unit (Code Elff)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 43 6.8 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 44 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 44 Fan size 04-06 Inspection Fan unit 1. Connection plate 2. Screws (suspension) 3. Anti-vibration mounting 4. Anti-vibration support 5. Fan impeller with motor 6. Inlet cone 7. Fan support, upper 8.
  • Page 45 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 45 10. Check the air flows by: – reading the flow display on the Climatix display unit for units with control equipment (code MX). – measuring Δp in the connections (measurement outlets) for flow measurement +/–...
  • Page 46 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 46 Fan size 10–21 Inspection Fan unit, sizes 10 and 12 1. Screws, fan unit 2. Pins 3. Anti-vibration mounting 4. Motor 5. Fan impeller 1. Remove one end of the fan assembly’s earth braid. If necessary, split the motor cable's quick connector.
  • Page 47 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 47 9. Check the air flows by: – reading the flow display on the Climatix display unit for units with control equipment (code MX). – measuring Δp in the connections (measurement outlets) for flow measurement +/–...

  • Page 48: Damper (Code Atet-Um, Etet-Um, Etet-Tr, Atet-09)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 48 6.9 Damper (code ATET-UM, ETET-UM, ETET-TR, ATET-09) Dampers may have different functions and be positioned in different places. The following product codes/components contain dampers: • ATET-UM Shut-off damper, Top with counter-flow exchanger •...

  • Page 49: Sound Attenuator (Code Etet-Ld)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 49 6.10 Sound attenuator (code ETET-LD) Sound attenuator for ATER 04 Sound attenuator for ATCR 04-21 The purpose of the sound attenuator is to reduce the sound power level in the system.

  • Page 50: Cooling Unit (Code Atcr)

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 50 6.11 Cooling unit (code ATCR) General The cooling unit has been designed and fabricated along given operation parameters that must be met in order for the unit to operate optimally and provide good operating economy.

  • Page 51: Alarm Management And Troubleshooting

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 51 7 Alarm management and troubleshooting For units with control equipment (code MX), alarm information can be read on the Climatix display (Main menu / Unit / Cooling / Alarms). For units without control equipment (code UC, MK, US), alarm information can be read on the Carel display.
  • Page 52 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 52 Troubleshooting via symptoms Symptom Possible cause Corrective action Low cooling power – too The power supply has been interrupted Check the control/safety switches and high temperature in the fuses cooled object/medium No or too low air flow across evaporator.

  • Page 53: Cooling Unit - Size

    Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 53 7.2 Cooling unit – size 06-12 Troubleshooting via symptoms To ascertain what has caused the alarm, follow the procedure below. Symptom Possible cause Corrective action The high pressure switch No or too low air flow across the Check the air flow across the condenser.
  • Page 54 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 54 Alarm information for inverter and compressor Alarm Climatix (code Alarm Carel (code UC, MK, Explanation and corrective action Peripherals AL P02 Compressor Drive: Communication error with the electronic expansion valve. PERIPHERALS_ERROR Compressor runs at limited speed.
  • Page 55 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 55 MOC safety AL D06 Compressor Drive: Motor Orientated Control has detected an error. The inverter is stopped. MOC_SAFETY Errors must be remedied and alarms reset. The alarm may be the result of a tripped high pressure switch (the inverter loses all power).
  • Page 56 Operation and Maintenance Instructions Envistar Top 04-21 DSET.181201.00.EN Page 56 High pressure switch alarm If the high pressure switch has tripped, “Cooling unit alarm: Alarm” is displayed. Since the inverter loses all power when the high pressure switch is tripped, a communication error alarm is also displayed, “Com.Modbus alarm Danfoss: Alarm”.
  • Page 60 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) 470 75 88 00 order@ivprodukt.se Visit our website: www.ivprodukt.com Documentation for your unit: docs.ivprodukt.com...

Table of Contents