Opus DC Low Power Duct Mounted Extract Fans Installation and

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Opus DC Low Power Duct Mounted Extract Fans Installation and Powered By Docstoc
					                                           Opus DC                                                                         The EMC Directive
                                                                                                                           2004/108/EC
                                                                                                                           The Low Voltage
                                                                                                                           directive
                                                                                                                           2006/95/EC
                                           Low Power Duct Mounted Extract Fans

                                           Installation and Maintenance
The Nuaire range of low power duct mounted extract fans                       The unit discharges through 100mm diameter outlet spigot.
have been specifically designed to ventilate areas such as                    Air enters the unit through 3 off 100mm diameter spigots,
toilets, bathrooms, small offices, etc. The range consists                    the centre being supplied open with the other two being
of units for three duty ranges, 40 l/s, 60 l/s and 75 l/s                     easy to cut off. Anti-backdraught shutters are fitted at
maximum extraction. The 40 and 60 l/s products are                            the fan outlet on 40 and 60 variants, 75 products are not
available as single fan or twinfan variants, twinfan units                    fitted with shutters.
are duty sharing. 75 l/s products are dual fan only (both                     The motor is of the DC variant, fitted with self lubricating
fans run simultaneously). All units incorporate speed                         ball bearing and locked rotor protection.
control for both low and high speed, along with adjustable                    The unit is supplied with a quick release fan mounting
run-on facility. Ecosmart (ES) variants allow connection of                   bracket which allows for installation in any configuration.
Ecosmart sensors (PIR, humidistat etc). Basic products
allow connection of remote failure indication (OPUS-RFI) only.                1.0 Fan Installation
                                                                              Installation must be carried out by competent personnel
Model range                                                                   conforming to all statutory and governing regulations
Opus DC 40-M            Single fan unit. 40 l/s extract.
                                                                              including the current wiring and CDM regulations.
                        Basic control
Opus DC 60-M            Single fan unit. 60 l/s extract.                      The unit is designed to be ceiling/wall mounted in any plane,
                        Basic control                                         with the access panel for the wiring
ES-Opus DC 40-M         Single fan unit. 40 l/s extract.
                                                                              and controls on the underside.
                        Ecosmart control
ES-Opus DC 60-M         Single fan unit. 60 l/s extract.                      Figure 2.
                        Ecosmart control                                      Ceiling mounted.
Opus DC 40-2M           Twinfan unit. 40 l/s extract.
                        Basic control                                         Integral mounting
                                                                              bracket screws into
Opus DC 60-2M           Twinfan unit. 60 l/s extract.                         position on ceiling.
                        Basic control
ES-Opus DC 40-2M        Twinfan unit. 40 l/s extract.
                        Ecosmart control
ES-Opus DC 60-2M        Twinfan unit. 60 l/s extract.
                        Ecosmart control
Opus DC 75-M            Dual fan unit. 75 l/s extract.
                        Basic control
                                                                              Figure 3.
ES-Opus DC 75-M         Dual fan unit. 75 l/s extract.                        Bracket holder.
                        Ecosmart control
ES-Opus DC 110-M        Dual fan unit. 110 l/s extract.
                        Ecosmart control                                                                                   Control panel.

Figure 1. General view of unit.




                                                            Extract
                                                            from WC           Figure 4.
                                                            for example
                                                                              Wall mounted.
                                             Extract from
                                             bathroom                         Integral mounting
                                             for example                      bracket screws
                                                                              into position on
                                                                              wall.




Extract to outside


                               Nuaire 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
                                                                          1                                    Leaflet Number 671339 May 2009
Installation and Maintenance                                        OPUS DC Low Power Duct Mounted Extract Fans

1.0 Installation cont.
The fan must be fitted indoors, away from any direct                The integral mounting bracket supplied with the unit can be
sources of heat, water spray or moisture generation.                offered up to position on the ceiling or wall (see figure 2
Figure 5.                                                           and 4).
NOTE: the unit must not                                             The fixing points for the bracket should then be marked
be wall mounted using                                               and the bracket installed with 2 screws ensuring that the




        ✘
this configuration.
Please follow figure 4                                              bracket is secure on the ceiling or wall.
                                                                    Offer the unit into position inside the bracket ensuring the
                                                                    access cover is face down, and locate the bracket into the
                                                                    moulded bracket holders on the case sides (see figure 3).
                                                                                                  Various spigot positions can be
                                                                                                  utilised as required to suit the
                                                                                                  system ductwork and extract
                                                                                                  grilles.
                                                                                                  The unit is supplied with one
Please note a clear working space is required around                                              spigot open and two ’closed’ as
the installed unit to allow the cover to be removed and                                           knockouts when delivered but
provide sufficient access for maintenance.                                                        they can be opened using a
Figure 6. Typical installation.                                                                   hacksaw (See figure 7).

                                                                    Figure 7. Remove closed knockout on spigot with a hacksaw.
                                                                    A groove is provided as a cutting guide.




                                                                                                                          Air extract from
                                                                                                                          bathroom for
                                                                                                                          example.
                                                                                                                          Grille available
                                                                                                                          as an optional
                                                                                                                          extra.
 Air extracted to
 outside via
 combined supply/
 extract grille
 available as an
 optional extra.
                                                                                                  Air extract from
                                                       Control panel.     Flexible ducting        WC for example.
                                                                          available as an         Grille available as
                                                                          optional extra.         an optional extra.




2.0 Dimensions
Veiw from underside.                                                    Veiw from side




                                                                2                                        Leaflet Number 671339 May 2009
Installation and Maintenance                                       OPUS DC Low Power Duct Mounted Extract Fans
                                                                      Figure 9. Basic control (PCB).                 Switch to activate
3.0 Electrical Details                                                Alternative to Ecosmart control.               continuous trickle.
To gain access to the units power supply and control panels
remove the access cover as shown in figure 8.                                                   Connection to          ON             OFF
                                                                                                OPUS-RFI only.
Power Consumption                Opus      Opus       Opus
                                DC 40      DC 60      DC 75
Unit input power (watts)          18         44        33
                                                                                        Fan 1
Full load running current (amps) 0.14       0.32      0.20
                                                                                        Fan 2
                                                                                                           Min Max Run On              Fan 1 Fan 2
Figure 8.
Mains cable
and clamp.
                                                                                                                           Isolation -
                                                                                                                             Before
                                                                                                                          commencing
                                                                                                                              work
                                                                                                                           make sure
                                                                                                                          that the unit
                                                                                                                         is electrically
                                                                                                                         isolated from
                                                                                                                           the mains
                                                                                                                             supply.




                                                                                         Volt free relay
                                                                                         contacts.                 ‘Net’ connections for
                                                                                         RUN FAULT                 Ecosmart devices.




                                                                                                                       ON            OFF
230V        SWL
1N
            N
50Hz
Mains        L                                                                          Fan 1

                                                                                        Fan 2
                                                                                                           Min Max Run On Pwr Standby Fan 1 Fan 2


Figure 10. 24V power supply.                                          Figure 11. Ecosmart control (PCB).             Switch to activate
                                                                                                                     continuous trickle.
3.1 Connections
Ecosmart control (see figure 11)                                   as sensors to the fan and for interconnecting multiple fan
(a) Net - the 4 IDC plug-in connectors are provided for the        units.
connection of compatible sensors, manual controls and for          Do not run data cable in the same conduit as the mains
linking the fans together under a common control. If more          cables and ensure there is a 50mm separation between
than 4 connections are required, the junction box (product         the data cable and other cables. The maximum cable run
code ES-JB) should be used.                                        between any two devices is 300m when it is installed in
NOTE: Do not run the SELV data cable in the same                   accordance with the instructions.
conduit as the mains cable and leave a 50mm                        Please note that the total data cable length used in any
separation with any power cables.                                  system must be less than 1000m. Keep the number of cable
                                                                   joints to a minimum to ensure the best data transmission
(b) Volt Free Relay Contacts
                                                                   efficiency between devices.
Note that the volt free contacts are not fused. If these are
used to power any external equipment, the installer must           (e) Maximum number of devices
provide adequate fusing or other protections. These                The maximum number of devices (including fans) that can
contacts are rated at 5A resistive, 0.5A inductive.                be connected together via the cable is 32, irrespective of
                                                                   their functions.
(c) Run connections
These contacts are closed when the fan is running.                 (f) LED Indication
Fault connections - No fault = the contacts are closed.            PWR         GREEN: Power on and OK, RED:
Fault = the contacts are opened (this includes no power            Standby     LED on when fan is not running.
supply at the unit).                                               Fan 1       GREEN: Fan 1 is running, RED: Fan 1 faulty.
                                                                   Fan 2       GREEN: Fan 2 is running, RED: Fan 2 faulty.
(d) Data Cable installation
A 4-core SELV data cable is used to connect devices such
                                                               3                                           Leaflet Number 671339 May 2009
Installation and Maintenance                                           OPUS DC Low Power Duct Mounted Extract Fans

3.1 Connections cont.                                                  4.0 Settings
Basic Control (see Figure 9)                                           Min speed –              used to regulate trickle speed.
(a) Fault (terminal 2 and 3)                                                                    Can be disabled using switch (Fig 7/9).
This should only be used with optional OPUS-RFI (remote                Max speed –              used to regulate full speed.
fail indicator). Connecting mains or any other device will             Run-on timer –           Adjustable between 1 and 60 minutes.
damage the control PCB.                                                   IMPORTANT
(b) LED Indication
                                                                           Isolation - Before commencing work make sure that the
Fan 1        GREEN: Fan 1 is running, RED: Fan 1 faulty.                     unit, switched live and Nuaire control areelectrically
Fan 2        GREEN: Fan 2 is running, RED: Fan 2 faulty.                                isolated from the mains supply.
                                                                           For good EMC engineering practice, any sensor cables
                                                                                   or switched live cables should not be
                                                                            placed within 50mm of other cables or on the same
                                                                                     metal cable tray as other cables.
5.0 Wiring details
* Note: Link also required when used in conjunction with
remote user control (ES-UCF).

  Unit ventilating one room                                                  Unit ventilating two rooms
                                            *Link    SWL                                                                      *Link    SWL

  N                                                   N                      N                                                          N
                  Room light                                                      Switches
                                                      L                          (double pole                                           L
                                          Isolator                                                     Room light           Isolator
  L                                                                                 Fuse
         Fuse       Switch                                                       2 Amp max
      2 Amp max                                                                 L



  Unit ventilating one room (using run on circuit)                           Unit ventilating two rooms (using run on circuit)
          Room light
                                                     SWL                                                                               SWL

  N                                                   N                     N                                                          N
                                                                               Switches
                                                      L                       (double pole                                             L
         Fuse          Switch             Isolator                                                                         Isolator
      2 Amp max                                                                                      Room light
  L                                                                             Fuse
                                                                             2 Amp max
                                                                             L




Replacement of Parts                                                   Service Enquiries
Should any component need replacing Nuaire keep extensive              Nuaire can assist you in all aspects of service. Our service
stocks for quick delivery. When ordering spare parts, please           department will be happy to provide any assistance
quote the serial number of the unit and the ARC number of              required, initially by telephone and If necessary arrange for
the purchase if possible.                                              an engineer to call.
(This information will be available on the fan label).

                                                                                    Telephone 029 2085 8585
Warranty
Opus DC has a 3 year warranty and Ecosmart Opus has a                                  Fax 029 2085 8586
5 year warranty. The 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 conditional on planned maintenance being
undertaken.




          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.

                                                                   4                                              Leaflet Number 671339 May 2009

				
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Description: Opus DC Low Power Duct Mounted Extract Fans Installation and