1
12. 05. 17. Leaflet Number 671218
Opus 100-M & 150-M
Duct Mounted Extract Fans
Installation and Maintenance
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.
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.
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 1. General view of unit showing airflow.
Mounting bracket to
structure fixings.
Bracket tongues engage with
case slots, then case rotated
up to align with fixing screw
hole.
Figure 3.
Bracket tongues
must engage
with case slots.
Opus fan range
Code
Description
Power/
FLC at full speed
OPUS 100-M
A single fan unit
100W/0.39A
OPUS 100-2M
A twinfan unit with
100W/0.39A
run and standby and
auto duty share
OPUS 150-M
A dual fan unit with both
200W/0.78A
motors running
The EMC Directive
2014/30/EU
The Low Voltage
Directive
2014/35/EU
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).
WARNING -
REMOVE TRANSIT PACKING PIECES BEFORE
APPLYING POWER TO UNIT
Electrical
terminal block
Cable grommet
Motor plate
fixing screws (2)
Motor assembly
Earth post
1
2
Figure 2. Removing the impeller transit-packing pieces (1 and 2).
Nuaire: A Trading Division of Polypipe Limited
Western Industrial Estate
Caerphilly United Kingdom CF83 1NA
Ca
T: 029 2088 5911 F: 029 2088 7033 E: [email protected] W: www.nuaire.co.uk