NuAire Opus 100-2M Installation And Maintenance

Note: For EMC the ambient temperature limit for the
Opus plus range is 24 deg C (or 25 deg if the speed pot
is restricted to ¼ turn above minimum).
Figure 1. General view of unit showing airflow.

1.0 Introduction

Manufactured in galvanised steel, the unit is designed to
serve toilets, store rooms, small offices, restaurants,
smoking areas etc. and for duct mounting applications
usually in the ceiling or service voids above the areas
served. For full specification, dimensions and weights etc.
refer to catalogue.
Opus fan range
Code Description
OPUS 100-M A single fan unit
OPUS 100-2M A twinfan unit with
run and standby and
auto duty share
OPUS 150-M A dual fan unit with both 200W/0.78A
motors running

2.0 Installation

The installation must be completed by competent persons
in accordance with good industry practice and should
conform to all governing and statutory bodies i.e. IEE,
CIBSE, COHSE, HVCA etc.
The unit comprises a full length access cover, to reveal
filter and fans and is supplied with outlet spigot fitted and
'knockouts' to be removed at the chosen inlet positions.
Prepare the unit for installation by removing the access
cover, all internal packaging and the fan assembly (which
is supplied loose in the box). Replace the unit cover and
knock out the chosen inlet spigot points and fit the
matching spigots.
Ensure that all electrical and ducting services are compatible
to the installation and the desired control function.
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
Opus 100-M & 150-M
Duct Mounted Extract Fans
Installation and Maintenance
Power/
FLC at full speed
100W/0.39A
100W/0.39A
1
WARNING -
REMOVE TRANSIT PACKING PIECES BEFORE
APPLYING POWER TO UNIT
Figure 2. Removing the impeller transit-packing pieces (1 and 2).
Motor plate Electrical
fixing screws (2) terminal block
1

3.0 Mechanical installation

Select a solid non-reverberant mounting position, remove
the unit support bracket and fix the bracket to the chosen
structure with appropriate anchor bolts or screws.
The fan can be installed using the integral mounting bracket
supplied (Figure 3). Offer the unit to the bracket as shown
and secure into position with the one point-fixing bolt.
Connect inlet and outlet ducting.
Figure 3.
Mounting bracket to Bracket tongues
structure fixings. must engage
with case slots.
Ca
The EMC Directive
2014/30/EU
The Low Voltage
Directive
2014/35/EU
Earth post Cable grommet
2
Motor assembly
Bracket tongues engage with
case slots, then case rotated
up to align with fixing screw
hole.
12. 05. 17. Leaflet Number 671218