NuAire ECOSMART TWINFANS Series Installation And Maintenance Manual

Introduction

Units are rectangular in section and have circular rigid spigots
at each end. Four matching mounting feet are supplied with the
unit.
Full size access panels are fitted to the top and bottom faces.
These panels are fully detachable for inspection purposes.
The models are coded as follows:
EST (Internal Duct Mounted) in line unit.
Fig. 1 General view of a typical unit.
Table 1. Dimensions (mm)
Code A B
EST1 763 572
EST2 778 787
EST3 913 787
EST4 1063 1047
EST5 1193 1047
EST6 1193 1047
EST8 1195 1174
EST9 1195 1174

Handling

Handle the units carefully to avoid damage and distortion.
If mechanical aids are used to lift the unit, spreaders should be
employed and positioned so as to prevent the slings, webbing
etc. making contact with the casing.
T: 029 2085 8400 F: 029 2085 8444 E: info@nuaire.co.uk W: www.nuaire.co.uk
ECOSMART TWINFANS
(EST) 1 phase, Direct Drive,
Run & Standby
Installation And Maintenance
Spigot Weight
C D dia (kg)
210 150 20
262 200 30
340 200 43
360 250 57
423 400 69
423 400 79
575 500 160
575 500 154
Nuaire Limited Western Industrial Estate Caerphilly United Kingdom CF83 1NA
for indoor use
Fans

Installation

The installation must be carried out by competent personnel
in accordance with the appropriate authority and conforming
to all statutory and governing regulations.
The units can be mounted in any attitude except vertical with
the outlet facing down, or inverted i.e. upside down as in these
attitudes the shutters will not operate.
The units are supplied for installation into In-line ductwork
(internal) applications. The mounting feet can be employed in
surface or suspended applications.
Fig. 2 Installation guide
Unit must NOT be installed
inverted (upside down)
Units should always be positioned with sufficient space to
allow removal of the access covers and subsequent removal
of fan and motor assemblies etc.
Ductwork connections must be airtight to prevent loss of
performance. The method of mounting used is the total
responsibility of the installer. The unit has an external case side
mounted control module/terminal box and is supplied ready for
connection into the electrical supply. If necessary, the module
can be located on the other side of the unit (fixings by others).
Rigid Mounting
Note, the unit case has captive M8 nuts which can be used
after removing the M8 'plugging' screws.
Fig. 3 A.V. mounting (typical)
B
On Resilient Mountings
Suspension rods / fixing screws are not supplied. Note that the
large round washers included in the resilient mounting kits are
for fitting above or below the resilient mounting as required to
safeguard the installation against break-up of, or damage to,
a mounting. In the event of a resilient mounting failure the
washer will support the weight of the unit.
Suspended from ceiling
Large washers should be fitted BELOW the resilient mounts.
1
The EMC Directive
2014/30/EU
The Low Voltage
directive
2014/35/EU
Unit must NOT be installed
with the outlet facing downward
Code A
NAV1 30
NAV2 40
A
NAV3 40
NAV4 40
NAV5 40
NAV6 50
21. 10. 16. Leaflet Number 671114
Table 2.
B
50
75
75
75
75
100