Vents DVUT 300 HB User Manual
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Vents DVUT 300 HB User Manual

Single-room heat recovery air handling unit
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USER'S MANUAL
DVUT/DVUE 300 HB/HBE/HBE2
DVUT 500 HB/HBE/HBE2
Single-room heat recovery air handling unit

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Summary of Contents for Vents DVUT 300 HB

  • Page 1 USER’S MANUAL DVUT/DVUE 300 HB/HBE/HBE2 DVUT 500 HB/HBE/HBE2 Single-room heat recovery air handling unit...

  • Page 2: Table Of Contents

    DVUT/DVUE HB(E/E2) EC CONTENTS Safety requirements ..................................3 Purpose ........................................ 5 Delivery set ......................................5 Designation key .................................... 5 Technical data ....................................6 Design and operating principle ............................8 Mounting and set-up ................................10 Connection to power mains ..............................14 Technical maintenance ................................

  • Page 3: Safety Requirements

    This user’s manual is a main operating document intended for technical, maintenance, and operating staff. The manual contains information about purpose, technical details, operating principle, design, and installation of the DVUT/DVUE HB(E/E2) EC unit and all its modifications. Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should be able to work in accordance with workplace safety rules as well as construction norms and standards applicable in the territory of the country.
  • Page 4 DVUT/DVUE HB(E/E2) EC • Disconnect the unit from power mains prior to any technical maintenance. • Do not store any explosive or highly flammable substances in close proximity to the unit. • When the unit generates unusual sounds, odour, or emits smoke, disconnect it from power supply and contact the Seller.

  • Page 5: Purpose

    PURPOSE The unit is designed to ensure continuous mechanical air exchange in houses, offices, hotels, cafes, conference halls, and other utility and public spaces as well as to recover the heat energy contained in the air extracted from the premises to warm up the filtered stream of intake air.

  • Page 6: Technical Data

    The unit design is constantly being improved, thus some models may be slightly different from those described in this manual. UNIT OVERALL DIMENSIONS [MM] View H +20* H2 +20* Model DVUT 300 HB (E/E2) EC 1770 1476 DVUE 300 HB (E/E2) EC DVUT 500 HB (E/E2) EC 2170 1833 * The unit height may be adjusted by means of levelling feet.
  • Page 7 Model Power supply voltage, 50 (60) Hz [V] 1~220-240 Unit power consumption excl. electric heater [W] Preheater power consumption [W] 1400 1400 1400 1400 1400 1400 Reheater power consumption [W] 1400 1400 2800 Maximum unit current excl. electric heater [A] Maximum unit current incl.

  • Page 8: Design And Operating Principle

    DVUT/DVUE HB(E/E2) EC DESIGN AND OPERATING PRINCIPLE The unit operation is as follows: UNIT OPERATING PRINCIPLE Warm extract air from the room flows into the unit and is cleaned in the extract filters. Then the air is moved through the heat exchanger and is exhausted outside through the air ducts with the extract fan.
  • Page 9 Additional equipment (is not included in the delivery set, can be ordered separately) • Humidity sensor. The unit with the installed humidity sensor maintains a set indoor humidity point. As the extract air humidity rises above the set point, the system automatically switches to the maximum speed. As the humidity drops down below the set point the unit returns to the previous mode •...

  • Page 10: Mounting And Set-Up

    MODEL A [mm] B [mm] D [mm] min 3° min 50 mm DVUT 300 HB(E/E2) EC Sewage system U-trap (hydraulic lock) DVUE 300 HB(E/E2) EC DVUT 500 HB(E/E2) EC Condensate drain pipe * the dimension may be increased during adjustment of the unit...
  • Page 11 The drain pan in the heat recovery section is equipped with a drain pipe for condensate removal. Connect the pipe, the U-trap or U-trap of the other type (hydraulic lock) that is not included in the delivery set and a sewage system with metal, plastic or rubber connecting hoses.
  • Page 12 DVUT/DVUE HB(E/E2) EC MOUNTING OF SENSORS FOR UNITS WITH A14 AUTOMATION (NOT INCLUDED IN THE DELIVERY SET) The humidity sensor must be attached inside of the extract air duct. Attach the sensor to the insert. Open the unit, remove the upper part of the protective casing and install the insert with the sensor on the bracket located on the wall of the exhaust duct.
  • Page 13 MOUNTING OF SENSORS FOR UNITS WITH A21 AUTOMATION (NOT INCLUDED IN THE DELIVERY SET) Brackets for installing humidity, CO and VOC sensors are located on the wall of the exhaust duct upstream of the heat exchanger. The bracket 1 is designed for installing a humidity sensor or VOC sensor. The bracket 2 is designed for installing a humidity sensor or CO sensor.

  • Page 14: Connection To Power Mains

    DVUT/DVUE HB(E/E2) EC CONNECTION TO POWER MAINS POWER OFF THE POWER SUPPLY PRIOR TO ANY OPERATIONS WITH THE UNIT. THE UNIT MUST BE CONNECTED TO POWER SUPPLY BY A QUALIFIED ELECTRICIAN. THE RATED ELECTRICAL PARAMETERS OF THE UNIT ARE GIVEN ON THE MANUFACTURER’S LABEL.
  • Page 15 EXTERNAL WIRING DIAGRAM FOR THE UNITS WITH A14 AUTOMATION +U Rx Tx GND C NO PK PK PE N 11 10 9 8 7 6 5 4 3 2 1 +U Rx Tx GND C NO PK PK PE N Control panel PE N...

  • Page 16: Technical Maintenance

    DVUT/DVUE HB(E/E2) EC TECHNICAL MAINTENANCE DISCONNECT THE UNIT FROM POWER SUPPLY BEFORE ANY MAINTENANCE OPERATIONS! Maintenance operations of the unit are required 3-4 times per year. Maintenance includes general cleaning of the unit and the following operations: 1. Filter maintenance. Clogged filters increase air resistance in the system and reduce supply air volume.
  • Page 17 Some dust may accumulate on the heat exchanger even in case of regular maintenance of the filters. Regular cleaning of the heat exchanger is required to maintain high heat recovery efficiency. To clean the heat exchanger, pull it out of the unit and clean it with compressed air or a vacuum cleaner.

  • Page 18: Troubleshooting

    DVUT/DVUE HB(E/E2) EC TROUBLESHOOTING TROUBLE POSSIBLE REASONS Troubleshooting Make sure the power supply line is connected correct. No power supply. Otherwise troubleshoot a connection error. The fan(s) do(es) not get Turn the unit off. Troubleshoot the fan clogging. Clean started during activation of Motor or impeller clogging.

  • Page 19: Manufacturer's Warranty

    MANUFACTURER’S WARRANTY The product is in compliance with EU norms and standards on low voltage guidelines and electromagnetic compatibility. We hereby declare that the product complies with the provisions of Electromagnetic Compatibility (EMC) Directive 2014/30/EU of the European Parliament and of the Council, Low Voltage Directive (LVD) 2014/35/EU of the European Parliament and of the Council and CE-marking Council Directive 93/68/EEC.
  • Page 20 DVUT/DVUE HB(E/E2) EC www.ventilation-system.com...
  • Page 21 www.ventilation-system.com...
  • Page 22 DVUT/DVUE HB(E/E2) EC www.ventilation-system.com...

  • Page 23: Certificate Of Acceptance

    CERTIFICATE OF ACCEPTANCE Unit Type Single-room heat recovery air handling unit Model DVUT/DVUE ______ HB ______ EC ______ A ______ Serial Number Manufacture Date Quality Inspector’s Stamp SELLER INFORMATION Seller Address Phone Number E-mail Purchase Date This is to certify acceptance of the complete unit delivery with the user’s manual. The warranty terms are acknowledged and accepted.
  • Page 24 V142EN-05...

This manual is also suitable for:

Dvut 300 hbeDvut 300 hbe2Dvue 300 hbDvue 300 hbeDvue 300 hbe2Dvut 500 hb ... Show all

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