NuAire dMEV+ Installation Manual

1.0 Introduction

The dMEV+ 2 speed axial extract fan has been designed for
continuous ventilation for kitchens or wet rooms and should
be installed using 100mm dia. ducting. The unit can be installed in
multiple application types, through wall, in duct and in room.
Speed settings are fixed at either Low Speed and Low Boost or
High Speed and High Boost (See Wiring Section for Details).
As a default, the fan is set to achieve low speed (6 l/s - wetrooms) to
adjust to high speed (8 l/s - kitchen) refer to section 10.

2.0 Handling

Always handle the the fan carefully to avoid damage and distortion.
NOTE: Unit identifier label maybe removed from front cover
once installation / commissioning has been completed.

4.0 Induct Installation

Fig. 1
Fig. 1 Peel off the 3 anti-vibration pads, and attach them to the insides of
the 2 part bracket. Then attach this half of the bracket to a secure surface.
Fig. 3
Speed Setting
Low High
Unit is fixed speed.
Select between either
Low or High speed with
the jumper position.
i.e. Bathroom installation
Low speed (Pre-set
factory position).
Fig. 3 Complete the internal fan wiring, and secure wiring using the cable
clamp, make a hole in the wiring grommet and insert into the cutout on
the fan wiring casing. Feed the wiring through the grommet and the outer
fan casing for later connection. Fit the electrical cover with 2 screws.
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
dMEV
Decentralised Mechanical Extract
Ventilation 2 Speed Axial Extract Fan
Installation Guide
Cable clamp
Customer wiring
SL L N

3.0 Installation

The installation must be carried out by competent personnel in
accordance with the appropriate authority and conforming to all
statutory and governing regulations i.e. IEE, CIBSE, CCHSE, HVCA etc.
The unit is suitable for indoor use only, and is suitable for induct or
wall and ceiling installation. Mount on a secure, vibration free surface
away from any direct source of heat and areas where it would be
subjected to water spray.
The maximum permissible ambient temperature is 50 o C.
Please note that the fan clip supplied with the unit must always be
used for installing the fan to a mounting surface.
dMEV+ box contents
Fan unit, electrical cover, wiring grommet and a cable clamp.
2 part inlet grille, 3 anti-vibration pads, 2 part mounting bracket
and spacer.
Wiring
Fig. 2.
grommet
Cable clamp.
Electrical
cover.
Access to internal
wiring (see fig. 4).
Fig. 2 Fan components.
Fig. 4
Fig. 4 Press the fan into the bottom half of the bracket and secure the
top half of the bracket to the lower half ensuring that the bracket is
positioned correctly on the fan.
1
The EMC Directive
2014/30/EU
The Low Voltage
Directive
2014/35/EU
Impeller.
Position for front
edge of bracket
10. 05. 17. Leaflet Number 671650