NuAire MEV Ecosmart Installation And Maintenance Manual

1.0 Introduction

Nuaire's MEV Ecosmart units are designed to provide
continuous mechanical extract ventilation to homes in
accordance with BRE digest 398.
Coding:
Two units are available as standard.
Unit codes/descriptions are as follows:
ES-MEV Single fan unit.
ES-MEV-H Single fan unit with internal
adjustable humidistat.
The case is constructed in aluminium/zinc coated steel.
Internal faces of the casing are acoustically lined with flame
retardant acoustic foam. The full length access cover which
is located on the underside of the unit, on the opposite side
to the mounting bracket, is retained by four M5 screws.
Figure 1.

2.0 Installation

I nstallation must be carried out by competent personnel
in accordance with the appropriate authority and
conforming to all statutory and governing regulations.
The fan must be fitted indoors, away from sources of water
spray or steam generation. The fan can be installed at any
angle using the integral mounting bracket supplied (Figure 2).
Figure 2.
Bracket tongues
engage with casing
slots, then unit
rotated up to
align with fixing
screw hole.
Slots in casing
either side of
unit to allow
alternative
mounting option.
2 rubber cable
entry grommets
either side of casing
for external wiring.
Nuaire 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
MEV Ecosmart
Continuous Mechanical Extract Ventilation Units
Installation and Maintenance
It is assumed that a solid non-reverberant mounting
position has been selected and the electrical mains wiring
and any optional control wires have been made ready.
It is also assumed that compatible ductwork is already
installed and ready to be connected to the 125mm dia.
discharge spigot and also the chosen 100mm dia and/or
125mm dia. inlet spigots.
Note the unit is not fitted with a backdraught shutter.
(When using the continuous background vent facility a
backdraught shutter is not needed). However a back-
draught shutter is available from Nuaire if required.
An integral fixing bracket with a single bolt fixing allows
easy mounting and removal of the unit when necessary.
The unit is supplied with the 125mm dia. discharge spigot
for fitting during installation.

2.1 Unit fixing

The integral mounting bracket supplied can be offered up to
position, the fixing points marked through and the bracket
installed with 4 screws (by others). See figure 2.
Offer the unit into position and locate the bracket into the
slots in the case before fixing with the single bracket fixing
screw.
Figure 3.
Cut through the
acoustic foam round
the circumference of
the damper.
Fixing screw hole.
Various damper/inlet spigot positions can be utilised as
required to suit the system ductwork and extract grilles.
All inlet dampers are 'closed' as knockouts when delivered
but can be opened using a sharp knife. (See figure 3).
After the spigot has been fixed adjust the damper with a
screwdriver. (See figure 4).
1
INCLUDING
MEV-SVS
Figure 4.
Damper can be When spigot is in
position, damper can
swivelled on the
2 body casing be adjusted using a
screwdriver.
hinges.
Leaflet Number 671266 July 2007