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Envirovent heatSava Installation Manual
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Envirovent heatSava Installation Manual

Intelligent single room heat recovery unit
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Summary of Contents for Envirovent heatSava

  • Page 2: Table Of Contents

    Contents Page Introduction Box Contents Technical Specifications Safety Installation 8-17 Installation with wall seal 17-18 Controls Maintenance 19-20 Wiring Diagrams 21-22 Scan the QR code to watch the step by step installation video SHOULD YOU ENCOUNTER ANY PROBLEMS INSTALLING THIS UNIT CALL...

  • Page 3: Introduction

    Gold Standard After Sales Service In the unlikely event of any on-site installation problems or queries regarding the EnviroVent heatSava, just call our hotline number. We will take your details and appoint a regional installation manager to call you back to discuss the problem.
  • Page 4 Box Contents heatSava Unit Instructions Guide Heat Cell Halo SELV (optional) Wall Seal SHOULD YOU ENCOUNTER ANY PROBLEMS INSTALLING THIS UNIT CALL...
  • Page 5 Box Contents Description Quantity Item heatSava Unit Heat Cell SELV (optional) Fixing Kit No.8 x 1 Screws - ½ (Fixing Kit Contents) M5 x 40 Screws - (Fixing Kit Contents) Red Wall Plugs - (Fixing Kit Contents) Wall Kit Contents...

  • Page 6: Technical Specifications

    Technical Specifications Unit Dimensions Rear Assembly (Extract Fan) Centre Assembly (Electronics) Front Assembly (Supply Fan) Badge SHOULD YOU ENCOUNTER ANY PROBLEMS INSTALLING THIS UNIT CALL...
  • Page 7 Technical Specifications Heat Cells Options Cell - Ø100mm / 310 Wall Depth Cell - Ø150mm / 310 Wall Depth Cell - Ø100mm / 430 Wall Depth Cell - Ø150mm / 430 Wall Depth Cell - Ø100mm / 500 Wall Depth Cell - Ø150mm / 500 Wall Depth Cell - Ø100mm / 600 Wall Depth Cell - Ø150mm / 600 Wall Depth...

  • Page 8: Safety

    This unit draws air in from atmosphere and you must ensure that any emissions from any other systems such as gas or oil boilers, do not contaminate the air entering the heatSava product. Therefore, before installation, consider where the external cowl will be located in relation to any boiler flues etc. Externally, we recommend that the unit to be positioned a minimum distance away of;...

  • Page 9: Installation

    Installation Introduction Heat Cell Orientation Designed for through the wall installation, the heatSava is ideal When fitting the heat cell into a wall, ensure that the cowl end is for both refurbishment and new build properties. The outside correctly orientated with the end always facing down. (Fig 2.)
  • Page 10 If installing into a new build application, we recommend that the unit should be installed in the position below (option 1). If installing into an existing wall sleeve which is located near to the ceiling, the heatSava can be installed horizontally or vertically (options 2-4). Ceiling...
  • Page 11 Installation Marking Out - Template Sheet Fig.1A Fig.1B Using the template provided, align it with a spirit level Mark out the locations for the 3 fixing holes. Use either A or B against the wall and draw around the circle for the location depending on how smooth the wall surface is (Fig 1B).
  • Page 12 Installation Installation Process - Front Cover Fig.3A Fig.3B Using a screwdriver remove the badge and undo screw To remove the front cover, release the top clip first and then (Fig.3A). Next remove the front cover of the unit using the release the two clips at the bottom by pushing in at the points release clips as shown.
  • Page 13 Installation Installation Process - Rear Assembly Fig.5A Fig.5B There are 3 cable entries on the rear assembly. Locate Fit the rear assembly to the wall using the 3 screws (Fig.5B). the one suitable for the install and pull the mains cable through the selected entry hole (Fig.5A).
  • Page 14 Installation Installation Process - Centre Assembly Fig.7A Fig.7B Pull the mains cable through the entry hole and pierced Now securely fix the centre assembly to the rear assembly grommet in the centre assembly. Connect the cable to the together on the 4 fixing points using the screws provided mains supply or SELV board depending on the model being (Fig.7B).
  • Page 15 Installation Installation Process - Pullcord Fig.9A Fig.9B The next step is to fit the pullcord. Depending on the Choose the suitable one for the install and make sure the orientation of the unit, the pullcord can be situated in 4 pullcord is always facing downwards.
  • Page 16 Installation Installation Process - Heat Cell Insertion Fig.11A Fig.11B The heat cell can now be inserted through the aperture. Carefully insert the heat cell ensuring it meets the 3 fixing feet The cowl end is removable to enable correct orientation. (Fig.11B).
  • Page 17 Installation Installation Process - Front Cover Fig.13A Fig.13B Take the front cover and connect the fan leads together Ensure the fan leads are neatly tucked down the side and do (Fig.13A). not trap them against the end of the cell before putting the front cover on (Fig.13B).
  • Page 18 Installation Installation Process - Halo Fixing Fig.15A Fig.15B Externally: Complete the installation by fitting the halo using sealant - DO NOT SEAL AROUND THE CASING (Fig.15A & 15B). Installation Process - Wall Seal option Fig.16A Fig.16B Mark out the seal line on the heat cell. Always fit heat cell After following instructions on page 10, take the centre through unit BEFORE fitting seal (Fig.16A &...
  • Page 19 Use the marked seal cowl end is facing downwards (Fig.17B). line as reference (Fig.17A). Mark out seal line heatSava INTERNAL EXTERNAL Wall seal Fig.18A Feed the power cable through the hole (See page 12, Fig.5A &...

  • Page 20: Controls

    Controls Pullcord (Manual) Summer Mode (Automatic) The heatSava comes complete with a pull cord to activate the During warmer days, the heatSava prevents warm air from boost if required. Pull once to activate the boost and once to entering the room and switches to provide extract ventilation deactivate only.
  • Page 21 Maintenance Maintenance Process Fig.21A Fig.21B Remove the plastic screw on the heat cell by using a Remove the heat cell by holding the cell key to pull it out. When screwdriver and screw the cell key in (Fig.21A). removing, handle the heat cell carefully and do not squeeze the tubes (Fig.21B).

  • Page 22: Wiring Diagrams

    Wiring Diagrams Mains Connect 3 core cable into unit SHOULD YOU ENCOUNTER ANY PROBLEMS INSTALLING THIS UNIT CALL...
  • Page 23 Wiring Diagrams SELV 2 core 3 core SELV Connect 2 core cable Connect 3 core from SELV box into unit cable into SELV SELV Box BLACK Power Supply 2 core 3 core 2 core BLACK AFTER INSTALLING THIS UNIT PLEASE LEAVE THIS INSTALLATION GUIDE WITH THE USER DO NOT THROW AWAY...
  • Page 24 EnviroVent Ltd EnviroVent House Hornbeam Business Park Harrogate HG2 8PA 01423 810 810 info@envirovent.com www.envirovent.com Due to our policy of continuous innovation and improvement EnviroVent reserves the right to alter products specification and appearance without notice.