TANGRA EVB - HiE Installation And Service Manual

High efficient heat recovery units

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Installation and service manual of
high efficient heat recovery units
EVB – HiE
Rev.2013-08-25-01

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Summary of Contents for TANGRA EVB - HiE

  • Page 1 Installation and service manual of high efficient heat recovery units EVB – HiE Rev.2013-08-25-01...
  • Page 2 Rev.2013-08-25-01...
  • Page 3: Table Of Contents

    Content 1. Introduction ......................3 2. Safety ........................3 3. Construction and application ................8 Construction ....................9 Configuration ....................9 Components ....................10 Accessories: ....................10 Overall and joined dimensions ..............11 4. Transport and storage ..................13 Transport ......................13 Loading ......................13 Storage ......................13 5.
  • Page 4: Introduction

    1. Introduction The high efficient heat recovery units, manufactured by TANGRA, are produced in accordance with all applicable Bulgarian and EU requirements. Their installation and usage should be done according to the following instruction.
  • Page 5 • Before carrying out repairs or maintanance on the ventilator sections make sure that the power supply is disconnected and it could not be switched back on unexpectedly by another person. • Before opening the fan section safety doors turn off the electrical power supply of the motors using the safety switches mounted outside the fan housing.
  • Page 6 High humidity. Direct entry of water. The electrical board should be installed in designed place covering the requirements for “IP” protection and fire safety. • Do not leave objects in front of mounted electrical board that could prevent the freely access and visibility to the board (e.g.
  • Page 7 • Before starting the unit, ensure that all safety devices have been correctly installed and are in perfect working order; if the above is not the case, do not start the unit and inform the head of safety or department manager immediately. •...
  • Page 8 • During maintenance and cleaning of the fan rotor, be particular careful of the rotor. This can lead to parts of the body becoming trapped and seriously injured between the rotor itself and fixed parts of the fan housing. • Even when the fan is disconnected from the power supply, the rotating parts can still turn due to any air movement through the fan.
  • Page 9: Construction And Application

    3. Construction and application Highly efficiency heat recovery units for second time use of heating / cooling of the exhaust air in the ventilation and air conditioning systems. They are intended for work into non- aggressive and non- sparking environment. The series of heat recovery units covers debits from 250 up to 3200 m3/h (fig.1).
  • Page 10: Construction

    As standard heat recovery units are designed for climate conditions and air specifics of the Sofia region, Bulgaria. The air density factor should be corrected when these units are calculated for higher altitude. Operation temperature from -20°C up to +40°C. Construction The supporting construction is made by anodized aluminum profiles from each side closed with heat...
  • Page 11: Components

    Components • Fan Exhaust and supply fan - double inlet centrifugal fan with built in motor - CBM - "S&P" - Spain. Protection class IP20. (IP44 - on request) • Plate heat exchanger High efficient plate heat exchanger – air-to-air (efficiency up to 85%) •...
  • Page 12: Overall And Joined Dimensions

    Overall and joined dimensions EVB __ HiE HM Horizontal installation Monoblock EVB __ HiE HS Horizontal installation Split units Rev.2013-08-25-01...
  • Page 13 EVB __ HiE VM Vertical installation Monoblock EVB __ HiE VS Vertical installation Split units Rev.2013-08-25-01...
  • Page 14: Transport And Storage

    4. Transport and storage Transport The units are supplied fully assembled on a pallet. When transport the unit use its original packing and follow instructions given. All operations involving the lifting and handling of the unit must be carried out with the utmost caution, avoiding any knocks that could compromise the functionality or damage the unit components.
  • Page 15: Installation And Maintenance

    5. Installation and maintenance Installation There are four possible installation types, in compliance with UNI 10615 specifications: • Type A: open intake and outlet. • Type B: outlet connected to a pipe and open intake. • Type C: intake connected to a pipe and open outlet. •...
  • Page 16: Commissioning

    fig.2 fig.3 6. Commissioning Construction • Ensure that there are no foreign bodies inside the device, and that all the components are securely in place. • Manually check that the fan does not come into contact with the sides. • Make sure that mounting bolts or duct do not interfere inspection panels.
  • Page 17 fig.3 • On/off and variable speed control е - fig.4 Power supply 50Hz N -neutral 2-Fuse holder with spare ( fast, ceramic) 3-Regulated output to motor 4 –Not regulated output for connecting lamp, valve, dampers…or tree wire connection branched off after switch (Imax :2A) fig.5 Input: to by-pass switch.
  • Page 18 • Automatic PLC control with LCD display - fig.6 Номинален ток Типоразмер Номинална мощност Rated current Type size Nominal power EVB 04 HiE 2 х 180 2 x 0.85 EVB 06 HiE 2 х 300 2 x 1.38 EVB 08 HiE 2 х...
  • Page 19 Rev.2013-08-25-01...
  • Page 20 Rev.2013-08-25-01...
  • Page 21: Decommissioning

    S1, and turn off the power supply to the electrical board. Take all necessary measures to prevent fire, electrical shock or environmental pollution and contact TANGRA’s local service team Contacts:...
  • Page 22: Applications

    9. Applications Check card We recommend that you carefully fill it, during and after the initial star up of the unit. 1. Supply fan: /measured/ /nominal/ Model: Phase: (from (from Installer) Manufacturer) 2. Exhaust fan: /nominal/ /measured/ [A] Model: Phase: (from Manufacturer) (from Installer)
  • Page 23: Identification Plate

    Identification plate Rev.2013-08-25-01...
  • Page 24: Service Card

    Service card Note Install 6 months 12 months 18 months 24 months Activity Identity №: Model: Supplay fan Exhaust fan Setting of motor protection Pressure switch “dirty filter” Fresh Air Exchange dirty filter Fresh Air Pressure switch “dirty filter” Exhaust Air Exchange dirty filter Exhaust Air / Pressure switch “danger of freezing Thermo switch “bypass”...
  • Page 25 Note 30 months 36 months 42 months 48 months 54 months Activity Identity №: Model: Supplay fan Exhaust fan Setting of motor protection Pressure switch “dirty filter” Fresh Air Exchange dirty filter Fresh Air Pressure switch “dirty filter” Exhaust Air Exchange dirty filter Exhaust Air / Pressure switch “danger of freezing Thermo switch “bypass”...
  • Page 26 Rev.2013 -07-25-01...
  • Page 27 Rev.2013 -07-25-01...
  • Page 28 Rev.2013 -07-25-01...

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