OPUS 30 and 60
Duct Mounted ('M' range)
Domestic Extract Fans
Installation
and Maintenance
NuAire Limited
Western Industrial Estate, Caerphilly,
Mid Glamorgan CF83 1XH
Telephone: 02920 885911
Facsimile: 02920 887033
Email: [email protected]
www.nuaire.co.uk
Leaflet 670445
DECEMBER 2001
Introduction
Nuaire’s OPUS 30 & 60 range of duct mounted domestic extract
fans are designed to extract small volumes of air through 100 mm
dia. pipes, with provision for adding a 50 mm dia. subsidiary unit
to extract air simultaneously from a second room.
Units are available with one or two fans and in two duty sizes
32l/s and 55l/s Inlet is through a 100 mm dia.pipe located on the
front of the unit.
Units can be fitted with a selection of controls which enable
them to be linked to light switches, either directly or through
run-on circuits.
Typical arrangements
Duct mounting - horizontal or vertical*
One room extraction
Two room extraction
Wall mounting
Coding
M
Basic unit with single fan
MS
Single fan unit incorporating a run-on circuit,
adjustable between 5 and 30 mins.
2MAS
Twin unit incorporating both run-on and fan failure
detection/change over circuits.
MX
Single fan unit providing continuous low duty running
with boost when room light is switched on.
(Opus 30 only)
Installation
a)
It is assumed that a solid non reverberant mounting posi-
tion has been prepared inside the duct passage area and the
necessary ductwork already installed with adequate clear-
ance on the inlet side to allow fitting of the flexible ducting
supplied with the unit. It is also assumed that the electrical
connections are in position and if a second room is to be
ventilated, the ductwork for a subsidiary spigot has been
made ready.
Contents
Page
Introduction...............................................................1
Arrangements and Codes..........................................1
Installation..................................................................2
Dimensions and Ancillaries.......................................3
Maintenance...............................................................3
Electrical Diagrams............................................. .......4
Certification ...............................................................5
Fig. 1 General view Opus 60M
False ceiling
Subsidiary
inlet
Mounting
bracket
Discharge must be
uppermost
VERTICAL MOUNTING
Inlet grille
Access panel
Flexible
ducting
IMPORTANT WARNING
Installation and servicing MUST be carried out
by electrically quaIified personnel.
The unit MUST BE TOTALLY ISOLATED from the
electrical supply before removing covers.
NOTE internal input socket will be exposed and
MAY BE LIVE with the fan module removed.
See ‘ISOLATION’ notes.
1
