NuAire OPUS 30 Installation And Maintenance Manual

OPUS 30 & 60
Surface Mounted
Domestic Extract Fans
Fig. 1. General view of unit.

Introduction

Nuaire's OPUS 30 & 60 range of surface mounted domestic
extract fans are designed to be installed in the area to be ventilat-
ed, for example bathrooms and WC compartments, but are
ideally suited for stores, drying rooms, cupboards, etc.
The fans discharge air through 100mm. dia. outlet spigot and
have provision for adding a 50mm dia. subsidiary inlet to extract
air from a second room.
Typical arrangements
Surface mounting, wall or ceiling
( 'B'
range
One room extraction
Two room extraction
(with side subsidiary).
Two room extraction
(with rear subsidiary).
Semi recessed version
Installation
and Maintenance
NuAire Limited
)
Western Industrial Estate, Caerphilly,
Mid Glamorgan CF83 1XH United Kingdom
Telephone: 02920 885911
Facsimile: 02920 887033
Email: info@nuaire.co.uk
www.nuaire.co.uk
Contents
Introduction ..................................................... 1

Arrangements and Codes ..................................1

Installation .........................................................2
Dimensions & Ancillaries .................................3
Maintenance ......................................................3
Electrical Diagrams ..........................................4
Certification ......................................................5
IMPORT ANT 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.
Units are available with one or two fans and in two duty sizes
32 l/s and 61 l/s.
Inlet is through filters located on the front cover of the unit
which can easily be removed for cleaning.
Units can be fitted with a selection of controls which enable
them to be linked to light switches, either directly or through
run-on cicuits.
Coding
B
Basic unit with single fan.
BS
Single fan unit incorporating a run-on circuit.
2BAS
Twin unit incorporating both run-on and fan failure
detection/change over circuits.
BX
Single fan unit providing continuous low duty
running with boost when room light is switched on.
(Opus 30 only)
Leaflet 670443
DECEMBER 2000
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