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NuAire OPUS100 User manual

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1
17. 03. 22. Document Number 671218
Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
OPUS100/150-M
Duct Mounted Extract Fan
Installation Manual
1.0 SAFETY INFORMATION
• The provision of the electrical supply and the connection of the unit to the electrical supply must
be carried out by a qualified electrician.
• Isolate from power supply before removing any covers. During installation / maintenance ensure
all covers are fitted before switching on the mains supply.
• All-pole disconnection from the mains as shown in the wiring diagram must be incorporated
within the fixed wiring and shall have a minimum contact separation of 3mm in accordance with
latest edition of the wiring regulations.
• This unit must be earthed.
• Ducting must be securely fixed with screws to the spigot to prevent access to live parts. Duct
runs terminating close to the fan must be adequately protected by suitable guards.
• This appliance should not be used by children or persons with reduced physical, sensory or
mental capabilities or lack of experience and knowledge, unless they have been given supervision
or instruction concerning the safe use of the appliance by a person responsible for their safety.
Children shall not play with the appliance. Cleaning and user maintenance shall not be carried
out by children.
1.1 Symbols
GENERAL WARNING
Signifies a general warning regarding hazard specified by supplementary information.
ELECTRIC SHOCK
This unit must be completely electrically isolated before any panels are removed. Check
mains supply and control connections.
ROTATING PARTS
This unit contains fast moving rotational parts which may start automatically. It is the
sole responsibility of the installer to adequately guard these components.
REFER TO INSTRUCTION MANUAL
Read and understand the installation and maintenance manual before installing,
operating or maintaining this product.
1.2 Important Information
This manual contains important information on the safe and
appropriate assembly, transport, commissioning, operation,
maintenance, disassembly and simple troubleshooting of the product.
While the product has been manufactured according to the accepted
rules of current technology, there is still a danger of personal injury or
damage to equipment if the following general safety instructions and
the warnings contained in these instructions are not complied with.
•Read these instructions completely and thoroughly before
working with the product.
•Keep these instructions in a location where they are accessible
to all users at all times.
•Always include the operating instructions when you pass the
product on to third parties.
1.3 Personal Protective Equipment
The following minimum Personal Protective Equipment (PPE) is
recommended when interacting with Nuaire product:
•Protective Steel Toed Shoes - when handling heavy objects.
•Full Finger Gloves (Marigold PU800 or equivalent) - when
handling sheet metal components.
•Semi Fingerless Gloves (Marigold PU3000 3DO or equivalent)
- when conducting light work on the unit requiring tactile
dexterity.
•Safety Glasses - when conducting any cleaning/cutting operation
or exchanging filters.
•Reusable Half Mask Respirators - when replacing filters which
have been in contact with normal room or environmental air.
Nuaire would always recommend a site specific risk assessment by a
competent person to determine if any additional PPE is required.
2
17. 03. 22. Document Number 671218
Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
OPUS100/150-MInstallation Manual
2.0 INTRODUCTION
Manufactured in galvanised steel, the unit is designed to serve toilets,
storerooms, 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.
For EMC the ambient temperature limit for the Opus plus range is
24°C (or 25°C if the speed pot is restricted to ¼ turn above
minimum).
1 Unit Airflow
2.1 Opus Fan Range
Code Description Power / FLC
at Full Speed
OPUS100-M Single Fan Unit 100 W / 0.39 A
OPUS100-2M Twin Fan Unit (Run / Standby Auto Duty
Share)
100 W / 0.39 A
OPUS150-M Dual Fan Unit (Both Motors Running
Simultaneously)
200 W / 0.78 A
3.0 Dimensions (mm) & Weights
2 Dimensions (mm) & Weights
500
330
50
Filters
3.
2.
Filters
2.
2.
2.
1.
4. 4.
4. 4.
End View
Airflow
Top View
200 260
2.
Key:
1. 1 x 150 Dia. Spigot Knockout
2. Cable Access
3. Single Screw Unit Fixing
4. 4 x 100 Dia. Spigot Knockouts
5. Access Panel (full length of unit)
5.
4.
4.
Side View
Airflow
Unit Weight (kg)
OPUS100-M 10
OPUS100-2M 11
OPUS150-M 11
4.0 MECHANICAL INSTALLATION
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, 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 (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.
Ensure transit packing pieces A & B are removed before applying
power to unit.
3 Removing Transit Pieces
Electrical
terminal block Cable grommet
Motor plate
fixing screws (2)
Motor assembly
Earth post
A
B
4.1 Unit Mounting Bracket
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 4). Offer the unit to the bracket as shown and secure into
position with the one point-fixing bolt. Connect inlet and outlet
ducting.
4 Unit Mounting Bracket
Mounting bracket
to structure fixings
Bracket tongues
must engage
with case slots
Bracket tongues engage with
case slots, then case rotated
up to align with fixing screw
hole
3
17. 03. 22. Document Number 671218
Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
OPUS100/150-MInstallation Manual
7 Motor Plate Assembly Replacement
C
Motor plate
locates into
bottom channel
Terminal
block
Control
module
pulls out
to remove
B
Plenum
plate
Control
module
A
Motor plate
fixing screws (2)
Drop motor plate
assembly forward
during fitting
to plenum
6.0 CONTROLS
All the control functions and adjustments are located on the electronic
control module. An adjusting tool is provided clipped to the blower
casing.
6.1 Run-On Timer (A)
The overrun feature is only active when the fan is connected to a
switched live as in wiring diagram 4 on page 2. The overrun time is
factory set at zero, fully anti clockwise and can be adjusted up to
thirty minutes by turning the adjustment clockwise. Test by activating/
deactivating the switched live circuit.
6.2 Full (MAX) Speed (B)
The full/MAX speed is factory set at 100%, fully clockwise and can be
adjusted down to 50% (fully anti clockwise) by adjusting the setting
screw anti clockwise with the setting tool supplied.
6.3 Low (MIN or Trickle) Speed (B)
The low or trickle speed is factory set at zero, fully anti clockwise and
can be adjusted upwards to a maximum of 50% speed by turning the
adjusting screw clockwise with the setting tool supplied.
The fan must be wired as diagram 5 on page 2 and activated via the
switched live for the trickle (low speed) to boost (max speed) to be
operative.
8 Control Module Adjustments
Fail LED
(A) Run On
Timer
Run LED
(B) Full Speed
50 - 100%
(C) Low Speed
0 - 50% (trickle vent)
Fan motor socket
Remote status
indicator socket
5.0 ELECTRICAL INSTALLATION
Offer the single phase supply wiring, 230V switched live wire and the
wires of any externally installed sensors or controls via the case side
grommets.
•To ease electrical connection, remove the six-way termination
block.
•The mains wiring must be from a fixed wiring installation
and both mains and switched live must be connected via a
common local isolator.
•The earth wire must be connected to the earth post provided
and not to the six-way termination block.
•Refer to remote sensor data sheets for their installation and
connection.
5.1 Wiring Diagrams
5.1.1 Full Speed Only
5 Wiring - Full Speed Only
3
1
N
L
2
N
L
Fuse 2A max
Unit Terminal Block
Link for switched live
Earth
post
5.1.2 Trickle Vent / Boost and Timed Overrun
6 Wiring - Trickle Vent / Boost and Timed Overrun
3
1
N
L
2
N
L
Fuse 2A max
Unit Terminal Block
Earth
post
5.2 Motor Plate Assembly Replacement
Remove the cover and withdraw the ‘V’ shape filter from the case. Lift
out the loose blower assembly, remove the two motor retaining screws
(A) which will be used to fix the motor plate into position.
Tilting the top of the mounting plate forwards, locate the bottom of
the plate into the channel provided in the case (C). Swing up the motor
flush with the plenum (B) and secure with the two fixing screws (A).
Expand ‘V’ shape filter and fit into case.
Finally locate the control module into the blowers’ moulded guides
and push the module in to the terminal block, ensuring that spade
connections are engaged. Connect the motor plugs and remote status
indicators (if used) to the sockets in the control module.
Turn on mains power and test run the unit.
4
17. 03. 22. Document Number 671218
Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
OPUS100/150-MInstallation Manual
6.4 Optional External Sensors and Controls
Device Code Document Ref
PIR Sensor 230-PIRNT 670610
Thermostat OPUS+TSTAT 670988
Humidistat OPUS+HUMISEN 670987
Volt Free Status Indicator OPUS100/150VF 671197
7.0 MAINTENANCE
Before removing covers ensure that all electrical services (including
the switched live) are fully isolated from the mains supply.
It is important that maintenance checks are recorded and that the
schedule is always adhered to, in all cases, the previous report should
be referred to.
Maintenance should only 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 fan should be examined three months after commissioning and,
dependent on the level of contamination present, at six monthly
intervals thereafter.
Remove the filter and wash in tepid water with a mild detergent added,
shake out excess water and allow to dry naturally. Do no replace until
dry.
Remove the blower assembly as Figure 7. Inspect all parts and take care
to retain all control settings, with a brush or dry cloth remove all dirt
and debris from the fan plate and case, lightly brush away all dirt and
debris from the fan assembly. Reassemble the unit and test/run.
8.0 WARRANTY
The 3 year warranty starts from the day of delivery and includes parts
and labour for the first year. The remaining period covers replacement
parts only.
This warranty is void if the equipment is modified without
authorisation, is incorrectly applied, misused, disassembled, or not
installed, commissioned and maintained in accordance with the details
contained in this manual and general good practice.
The product warranty applies to the UK mainland and in accordance
with Clause 14 of our Conditions of Sale. Customers purchasing from
outside of the UK should contact Nuaire International Sales office for
further details.
Failure to maintain the unit as recommended will invalidate the
warranty.
9.0 END-OF-LIFE AND RECYCLING
Ensure that Nuaire product is made safe from any electrical / water
/ refrigerant supplies before dismantling commences. This work
should only be undertaken by a qualified person in accordance with
local authority regulations and guidelines, taking into account all
site based risks.
Where possible Nuaire use components which can be largely recycled
when the product reaches its end-of-life:
•Fans, motors, controls, actuators, cabling and other electrical
components can be segregated into WEEE recycling streams.
•Sheet metal parts, aluminium extrusion, heating/cooling coils and
other metallic items can be segregated and fully recycled.
•EPP, plastic ducting, nylon corner pieces, plastic heat exchangers,
packaging material and other plastic components can be
segregated into mixed plastic and widely recycled.
•Cardboard packaging, wood, used filters and other paper
components can be largely recycled or fully processed in energy
from waste centres.
•Remaining Items can be further segregated and processed in
accordance with the zero waste hierarchy. Please call After Sales
Support for further information on items not listed above.
10.0 AFTER SALES AND REPLACEMENT PARTS
For technical assistance or further product information, including spare
parts and replacement components, please contact the After Sales
Department.
If ordering spares please quote the serial number of the unit together
with the part number, if the part number is not known please give a full
description of the part required. The serial number will be found on the
identification plate attached to the unit casing.
Telephone 02920 858 400
aftersales@nuaire.co.uk
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.