Envirovent heatSava User manual
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Contents
Page
01 Introduction 2
02 Box Contents 3-4
03 Technical Specications 5-6
04 Safety 7
05 Installation 8-17
Installation with wall seal 17-18
06 Controls 19
07 Maintenance 19-20
08 Wiring Diagrams 21-22
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02
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. In the majority of cases, the problem can be resolved over the phone. However, in cases where the problem
cannot be resolved over the phone, we will arrange a visit from our Gold Standard Engineer. They will meet with your
contractor/direct labour on-site to discuss and resolve the problem, will provide training and also give advice on the
installation of the unit.
INSTALLER HOTLINE: 07540 050 147
Ensure that this product is treated with care, installed and maintained correctly i.e. for
the life of the building. Remember, if you have any problems please call our dedicated
Technical Team.
Thank you for choosing EnviroVent
The fastest growing ventilation company in the UK
01 Introduction
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02 Box Contents
heatSava Unit1
Heat Cell2
SELV (optional)3
Instructions Guide4
Halo5
Wall Seal6
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04
02 Box Contents
Description Quantity Item
heatSava Unit 1x
Heat Cell 1x
SELV (optional) 1x
Fixing Kit 1x
No.8 x 1½Screws -
(Fixing Kit Contents) 11x
M5 x 40 Screws -
(Fixing Kit Contents) 3x
Red Wall Plugs -
(Fixing Kit Contents) 3x
Wall Kit Contents
Halo (optional) 1x
Wall Seal (optional) 1x
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03 Technical Specications
Unit Dimensions
Front Assembly
(Supply Fan)
Badge
Centre Assembly
(Electronics)
Rear Assembly
(Extract Fan)
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03 Technical Specications
Heat Cells Options
Cell - Ø150mm / 500 Wall Depth
Cell - Ø100mm / 500 Wall Depth
Cell - Ø150mm / 600 Wall Depth
Cell - Ø100mm / 600 Wall Depth
Cell - Ø150mm / 430 Wall Depth
Cell - Ø100mm / 430 Wall Depth
Cell - Ø100mm / 310 Wall Depth
Cell - Ø150mm / 310 Wall Depth
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04 Safety
Never modify the fan or electronics•
Do not store inammable products in the vicinity of this product•
This appliance is not intended for use by persons (including children) with•
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety. Children should be
supervised to ensure that they do not play with the appliance.
For a bathroom application the power supply should be installed outside the•
bathroom as it is 230V.
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 ues etc. Externally,
we recommend that the unit to be positioned a minimum distance away of; 1
metre horizontally, 1 metre below or 3 metres above any boiler ue etc. Also
refer to Building Regulations, Document J – Combustion Appliances & Fuel
Storage Systems.
In kitchens, if the unit has to be tted above a cooker, it should be installed a •
minimum distance of 650mm above electric cookers and 750mm above gas
cookers, and not have a pullcord tted.
Be sure to have read and understood these instructions before
beginning the installation process. Electrical Assembly
When wiring the unit in, a suitable disconnect device such as
a switched fused spur should be used, do not use a plug. The
means of disconnecting the unit from the mains power supply
must be incorporated in the xed wiring in accordance with the
wiring rules.
There must be a necessity to allow disconnection of the
appliance from the supply after installation, unless the appliance
incorporates a switch complying with the wiring rules. The
disconnection may be achieved by incorporating a switch in
the xed wiring in accordance with the wiring rule.
The electrical install comprises of a power supply unit (Fig.1) or a
low voltage box - SELV (Fig.2). The 2 and 3 core cables are to be
supplied by the installer. See pages 21-22 for wiring diagrams..
Connect 3 core
cable into unit
Connect 2 core cable
from SELV box into unit
Connect 3 core
cable into SELV
3 core2 core
SELV Box
Fan
Board
Power
Supply
SELV
MAINS
Fig.1
Fig.2
IPX4 Rated
This unit has been tested to IPX4 and is suitable for installation
within Zone 1 of bathrooms. However, we recommend that
you must position the unit above any water devices such
as taps, showerheads or jets and ensure water is not aimed
directly at the unit. Do not use jets or shower heads etc to
clean this unit.
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Introduction
Designed for through the wall installation, the heatSava is ideal
for both refurbishment and new build properties. The outside
diameter of the heat exchange casing is smaller than a standard
wall sleeve and can therefore utilize an existing one already in
place. The heatSava also takes into account the complexities
of different wall depths to offer 4 different main lengths that the
heat exchange casing is manufactured to (see page 6). The unit
is installed from the inside out to allow for ease of installation in
high-rise applications.
Built with intelligent humidity tracking controls means no
user intervention is required and heatSava silent-night mode
prevents noisy running at night. The heatSava is exceptionally
versatile and can be installed horizontally or vertically in 4
different positions through 360° (Fig.1).
Pre-Installation Checklist
Before starting the installation process, ensure that you have all
the necessary equipment and the following:
Check wall depth•
heatSava Unit•
Heat Cell•
Fixing Kit•
Wall Seal Kit (optional)•
Low Voltage Box (optional)•
Choose position and orientation•
Heat Cell Orientation
When tting the heat cell into a wall, ensure that the cowl end is
correctly orientated with the end always facing down. (Fig 2.)
Clearance
The heatSava has been designed to allow easy installation into
an existing wall sleeve which is located near the ceiling. When
core drilling into an existing wall, make sure you have enough
space to move around and distance between the wall and any
objects nearby i.e cupboards (Fig.3).
Ensure the unit is sited in a suitable position for adequate
clearance on all sides for easy access to the unit for maintenance
purposes and to ensure that access to the release clips on the
front cover is not inhibited.
08
05 Installation
Fig.2
Fig.1
3
12
6
9Cell
logo
Cell
Fig.3
heatSava
cupboard
LEAVE ADEQUATE CLEARANCE
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05 Installation
Clearance
First measure the wall depth.
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
Ceiling
30mm
min
30mm
min
Option 1
Option 3 Option 4
Option 2
20mm
min
20mm
min
Cover release
clips
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