NuAire OPUS 30 Manual de instrucciones

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.

Ty pical arrangements

Duct mounting - horizontal or vertical*

One room extraction

Two room extraction

Wall mounting

Coding

MBasic 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.

b) Separate the two halves of the unit by releasing the two

clips on either side of the unit. Release the two internal

clips and remove the fan unit. See Fig. 3.

Fig. 3. General view, cover and fan unit removed.

c) If a second room is to be served, remove the appropriate

weakened area from either cover and working from the

inside fit the subsidiary inlet spigot by passing it through

the case and turning quarter of a turn to lock. Fig. 4a

and 4b. Remove the relevant cable entry in the back of the

casing.

Fig. 4a. Fitting a subsidiary spigot Fig. 4b

d) Fit the mounting brackets (supplied) to the portion of the

case containing the wiring socket, using four self-tapping

screws and washers supplied. Fig. 5.

Fig. 5 Fitting the mounting brackets.

e) Assemble the outlet spigot to the ducting and fix the casing

to a solid non-reverberant surface using four No. 8 wood

screws through the mounting brackets drilling and plug-

ging the fixing area if necessary.

Fig. 6a Vertical mounting Fig 6b Horizontal mounting

Note:

When the unit is mounted in a vertical configuration it is

important that the air flow is upwards so that the gravity operat-

ed shutters will work properly (see Fig. 6a). For horizontally

mounted units ensure that case is installed as shown in Fig. 6b.

Fig. 7 Cable entry.

f) Feed the supply cable through the cable entry Fig. 7.

Connect the wiring to the internal terminal block/socket.

Fig. 8 Fan module in position.

g) Fit the fan module to the case, mating it’s plug fully with

the internal socket. Lock with the spring clips. Fig. 8.

h) If a second room is to be ventilated, connect the subsidiary

ductwork to the 50mm spigot.

i) Secure the adaptor to the 100mm dia. flexible ducting

supplied using duct tape (by others). Insert the adaptor

into the already prepared inlet side ductwork and seal. Fit

the other end of the flexible ducting to the spigot on the

remaining (cover) half the case. Fig. 9.

Fig. 9 Fitting the flexible ducting.j)

j) Replace the cover. Test/run the unit.

Installation and Maintenance OPUS ( M range )

Maintenance

General

Dust, fluff etc. if allowed will build up internally on motors

and impellers, shortening the life of the unit and, in severe

cases, leading to overheating of the motors. Consequently, it is

strongly recommended that all units are inspected and cleaned

every six months.

Isolation

Ensure that the unit is totally isolated from the electrical sup-

ply. This is particularly important when dealing with a run-on

circuit or a continuously running fan unit with boost when

the room light is switched on (letter X in the Model Code)

NOTE THE INPUT SOCKET TERMINALS WITHIN

THESE UNITS REMAIN LIVE, EVEN WHEN THE

ROOM LIGHT OR OTHER ACTUATING SWITCH

IS OFF.

Take care therefore when working within the case with the

fan module removed.

Procedure

At all times, take care not to damage, distort or disturb the bal-

ance of the impellers. Remove the cover and then the fan

module after releasing the spring clips. Inspect all parts. With a

brush or dry cloth clean the backplate.

Lightly brush away dust and dirt from the fan module. If stub-

born, carefully remove with a suitable blade or scraper. Wash

the cover in warm soapy water.

Dry thoroughly. Refit the fan module, followed by the cover.

Test/run.

Adjusting the run-on timer

Remove cover. Locate the Time Delay Adjustment at the plas-

tic box integral, with the fan module. Re-set against the gradu-

ated scale. Re-fit the cover.

Warranty

The plastic control box integral with the fan assembly is a

sealed component. Breaking the plastic sealing tie will invali-

date the guarantee. The unit is guaranteed for a period of 3

years. First first year parts and labour, remaining two years

parts only.

2nd room duct

spigot positions

98 O.D.

158 ctrs

225

230 ctrs

307

168

Dimension 'A'

Opus 30 144

Opus 60 188

Dimensions

Optional

ancillaries

50 & 100 mm Inlet grilles Roof Cowl Wall Cowl Outlet Baffle

160

230

146

165 dia

98 o/d

Birdguard

148

134

98 O.D.

125

13.5

110 fix ctrs

50 O.D.

4 x 3.7 dia fix holes

125

13.5

110 fix ctrs

99 O.D.

4 x 3.7mm dia fix holes

on 110 mm fixing ctrs

Installation and Maintenance OPUS ( M range )

Switch

Room light

Switch

M Unit ventilating one room.

M Unit ventilating two rooms.

2MAS Unit ventilating one room, (no run on timer).

Fuse

2 Amp max

Fuse

2 Amp max

Electrical Diagrams

LSwitch

Room light

Fuse

2 Amp max

MS Unit ventilating one room.

(using run on circuit).

Room light

Fuse

2 Amp max

MX Continuous run with boost (Opus 30).

2MAS Unit ventilating one room(using run on circuit).

Switch

Room light

Remote fail LED

Fuse

2 Amp max

MS Unit ventilating two rooms (using run on circuit).

2MAS Unit ventilating two rooms (using run on circuit).

2MAS Unit ventilating two rooms (no run on timer).

Wiring details for remote indicator.

Fan terminal block

Remote

indicator panel

Fuse

2 Amp max

Switches (double pole)

Room light

Fuse

2 Amp max

Switches

(double pole)

Room light

Remote fail LED

Fuse

2 Amp max

Switches

(double pole)

Room light

Remote fail LED

Fuse

2 Amp max

Switches

(double pole)

Switch

(double pole)

Model

Unit Code

Unit input power (watts)

Full load running current (amps)

*Starting current (amps)

* On starting both fans run together

Opus 30 Opus 60

0.170

0.215

MX on

boost

0.170

0.215

2MAS

0.170

0.215

0.190

0.280

2MAS

0.190

0.280

Room light

We declare that the machine named below

conforms to the requirements of EC Council Directives

relating to Electromagnetic Compatibility and

Safety of Electrical Equipment.

Designation of machinery :- OPUS 30, OPUS 60 EXTRACT FANS

Machinery Types :- ‘M’ IN-LINE DUCTED

Relevant EC Council Directives :- 89/336/EEC, 92/31/EEC (EMC)

73/23/EEC, 93/68/EEC (Low Voltage Directive)

Applied Harmonised Standards :- E55014-1, EN55014-2, EN60204-1

EN60335-2-80

Basis of Self Attestation :- Quality Assurance to BS EN ISO 9001

BSI Registered Firm Certificate No. FM 149

Signature of manufacture representatives :-

Name: Position: Date:

1) C. Biggs Technical Director 3. 3. 00

2) W. Glover Manufacturing Director 3. 3. 00

NuAire Limited,

Western Industrial Estate,Caerphilly, Mid

Glamorgan, CF83 1XH. United Kingdom.

Telephone: 02920 885911

Fax: 02920 887033

Email: info @ nuaire.co.uk

www.nuaire.co.uk

MARCH 2000

DECLARATION

OF CONFORMITY

If you have any comments or queries on

any of our products or services please write

to the Product Information Manager at the

main address opposite

GP 142

Western Industrial Estate, Caerphilly,

Mid Glam CF8 1XH United Kingdom.

Telephone: 02920 885911

Facsimile: 02920 887033

www.nuaire.co.uk

Leaflet No. 670445

Technical or commercial considerations may, from time to time,

make it necessary to alter the design, performance and dimensions

of equipment and the right is reserved to make such changes

without prior notice.

Installation and Maintenance OPUS ( M range )

Service

As a manufacturer NuAire provides you with factory trained

Service Engineers.

Our Engineers are supported by a comprehensive range of spare

parts 'off the shelf'.

If you are an industrial or commercial user, you may be interest-

ed in details of NuAire's regular maintenance Service Contracts.

This is a worthwhile service that helps you get the most from

our products.

Our Service Department will be happy to give you more infor-

mation.

Please telephone: 02920 885991

Controls Application Service (CAS)

A team of Engineers and technicians is available to provide pre

and post order support.

We are on hand to provide help and advice from the most basic

use of any NuAire equipment to the more complex applications,

maximising on the versatility of our SMART and NetLink con-

trol products.

Telephone: 02920 858585

Facsimile: 02920 858586

3 Year Warranty

The three year warranty starts from the date of delivery and

includes parts and labour for the first year.

The labour element is subject to full, free and safe access to the

equipment as recommended by the CDM regulations.

The remaining two years covers replacement parts only.

NOTE:

Installation & Maintenance of the equipment must be as

directed in the instructions provided with the unit.

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