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NuAire MRXBOX95-WH1 User Manual

NuAire MRXBOX95-WH1
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1.0 Introduction
The WH1 wall mounted range of units is designed to provide
mechanical supply and extract ventilation with heat recovery.
The unit is fitted with two independent fans. Each fan has full speed
control for background and boost ventilation rates.
To recover heat from the extract air the heat exchanger block is
utilised. The heat exchanger can recover up to 95% of the normally
wasted heat.
If the unit has integral automatic HX bypass (AB models only)
The bypass damper shall open automatically via a wax actuator
allowing the air to bypass the heat exchanger to deliver fresh
filtered air during the warmer months.
2.0 Installation
Installation must be carried out by competent personnel in
accordance with the appropriate authority and conforming
to all statutory governing regulations. All mains wiring must be in
accordance with the current I.E.E. Regulations, or the appropriate
standards. Ensure that the mains supply (Voltage, Frequency and
Phase) complies with the rating label.
Please note a clear working space is required around the installed
unit to allow the cover to be removed and provide sufficient access
for maintenance such as filter change.
Please allow a minimum of 430mm in front of the MRXBOX95-WH1
unit and 360m in front of the MRXBOX95AB-WH1.
The fan must be installed indoors, on a suitable wall away from
direct sources of frost, heat, water spray or moisture generation.
For a vibration-free result the unit must be mounted to a solid wall.
2.1 Wall Mounting the MVHR Unit
The unit is designed for wall mounting, only on a solid wall.
A gypsum block or stud/plasterboard wall will not suffice.
1. One part of the mounting bracket (supplied) should be offered up
to the wall, ensuring it’s located horizontally. Mark the fixing points
through the pre drilled holes in the bracket and install with screws
(by others), ensuring the interlock side is at the top, (fig. 3).
Figure 3. Fixing the mounting bracket to the wall.
2. Install the unit on the wall by ensuring the bracket fixed to the
rear of the unit interlocks over the wall mounted bracket (fig. 4).
Figure 4. Mounting the unit on the wall mounted bracket.
Note: Care must be taken to ensure the unit is installed true in
all 3 dimensions. Failure to do so may result in overflow from the
internal condensation drip tray.
(See overleaf for mounting option details, on walls or
in the loft space).
The unit must remain switched on at all times to maintain
ventilation within the dwelling. Turning the unit off will cause
long term damage to the unit and building fabric.
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 the use of the
appliance by a person for their safety. Children should be
supervised so that they do not play with the appliance.
Installation and Maintenance
MRXBOX95-WH1 (Standard Unit)
MRXBOX95-WH1-OH (Opposite hand Unit)
MRXBOX95AB-WH1 (Standard Unit)
MRXBOX95AB-WH1-OH (Opposite hand Unit)
Mechanical Ventilation Units with Heat Recovery for Wall Mounting
1
27. 11. 17. Leaflet Number 671686
Extract air
from house
Intake air
from outside
Exhaust air
from house
to outside
Supply air
to house
Figure 1. Airflow through unit (Standard unit).
Figure 2. Airflow through OH unit (Opposite hand unit).
Intake air
from outside
Extract air
from house
Supply air
to house
Exhaust air
from house
to outside
The EMC Directive
2014/30/EU
The Low Voltage
Directive
2014/35/EU
Nuaire: A Trading Division of Polypipe Limited Western Industrial Estate Caerphilly United Kingdom CF83 1NA
T: 029 2088 5911 F: 029 2088 7033 E: info@nuaire.co.uk W: www.nuaire.co.uk

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NuAire MRXBOX95-WH1 Specifications

General IconGeneral
BrandNuAire
ModelMRXBOX95-WH1
CategoryFan
LanguageEnglish

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