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Airflow Unohab Installation Kit

Cavity wall decentralised mechanical ventilation with heat recovery unit
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Installation and Operating Instructions
Unohab Cavity Wall Installation Kit
INSTALLATION AND OPERATING INSTRUCTIONS
Decentralised mechanical ventilation with
heat recovery unit
Unohab Cavity Wall
Installation Kit
© Airflow - we reserve the right to make changes without prior notice

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  • Page 1 Installation and Operating Instructions Unohab Cavity Wall Installation Kit INSTALLATION AND OPERATING INSTRUCTIONS Decentralised mechanical ventilation with heat recovery unit Unohab Cavity Wall Installation Kit © Airflow - we reserve the right to make changes without prior notice...
  • Page 2 Installation and Operating Instructions Unohab Cavity Wall Installation Kit © Airflow - we reserve the right to make changes without prior notice...

  • Page 3: Table Of Contents

    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..Page 14 © Airflow - we reserve the right to make changes without prior notice...

  • Page 4: Chapter 1. Safety

    Normal use: Unohab units are designed for external wall installation. The air outlet is on the external side of the wall via an external grille. The air inlet is located on the internal side of the wall with an integrated coarse air filter and sound insulation.

  • Page 5: Personnel Qualification

    Mode of operation Unohab is equipped with an EC axial fan, which runs in a cyclical reversing mode. Thus, the supply air modes, whereby the outside air flows into the building, continuously alternate with extract air modes, whereby the indoor air is extracted from the building (cyclic operation which takes place every 60 sec).

  • Page 6: Fireplaces

    IMPORTANT General note IMPORTANT The Unohab ventilation units can be connected air monitoring sensors connected back to the Unohab controller. Only Airflow supplied sensors should be used. Protection against contact The ventilation units are delivered with a fan protection grille as standard.

  • Page 7: Chapter 4. Unit Overview

    Accessories Further accessories and suitable system components, such as switching power supplies, extractor fan module, casing for controller surface mounting, are available within the Unohab range. Details can be found in the Unohab brochure and on the website at airflow.com...

  • Page 8: Chapter 5. Wall Installation

    • Ø 162 mm core hole at an 1-2 deg. angle, downward towards outside • or Ø 172 mm horizontal core hole (condensate wedge to be used on wall sleeve). Alternatively, for new build installations, the Unohab Brickwork template blocks 365mm/490mm (Part no: 90001000; 90001001) can be used for the core hole.
  • Page 9 3.5mA, determined according to DIN connection cable in the protection guard. (see point 9 indicated by the Airflow logo. EN 50178. allocated EPP shell space. for guidance) © Airflow - we reserve the right to make changes without prior notice...

  • Page 10: Opening And Closing The Internal Grille

    4. Then hold down both buttons on the controller for longer than two seconds and confirm the filter change. This will confirm the filter replacement process and reset the filter reminder. fig.15 fig.16 Remove Replace internal grille Coarse 50% filter © Airflow - we reserve the right to make changes without prior notice...

  • Page 11: Cleaning The Heat Accumulator And Protection Guard

    The Unohab heat exchanger is made of an easy-to-clean ceramic material. The ceramic heat exchanger can be rinsed with warm clean water as part of the regular overall maintenance of the ventilation unit. Proceed as follows: 1.

  • Page 12: Fault Modes

    Such as oils and greases or other substances. The intended and unintended further use of worn parts, e.g. impellers, rolling bearings, filters, etc. can be a hazard to people, environment as well as machines and systems. © Airflow - we reserve the right to make changes without prior notice...
  • Page 13 - / GND M1... - / GND 12V= External contact Operation with 2 x Unohab units and 1 x Unohab PSF (Power supply flush mounted) Unohab: M1 - start cycle: supply Unohab: M2 - start cycle: extract red / +12VDC...
  • Page 14 Unohab Controller Operation with 4x Unohab units and 1x Unohab PSD (Power supply DIN-rail mounted) or Operation with 8x Unohab units and 2 x Unohab PSD (Power supply DIN-rail mounted) connected in parallel Unohab: M1 - start cycle: supply Unohab: M2 - start cycle: extract...
  • Page 15 Installation and Operating Instructions Unohab Cavity Wall Installation Kit Notes: © Airflow - we reserve the right to make changes without prior notice...
  • Page 16 Call: 01494 525252 Visit: airflow.com 80001092 - Issue 1 05/21 Airflow Developments Limited E-mail: info@airflow.com © Airflow Developments Limited. Airflow Developments Limited reserve the right, in the Aidelle House, Lancaster Road, Telephone: +44 (0) 1494 525252 interests of continuous development, to alter Cressex Business Park, specifications without prior notice.

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