5
06. 10. 20. Document Number 671139
Nuaire |
Western Industrial Estate
|
Caerphilly
|
CF83 1NA
|
nuaire.co.uk
ES-OPUSDC
Installation Manual
4.2 Wiring Diagrams
To gain access to the units power supply and control panels remove the
access cover as shown in Figure 8.
*Link also required when used in conjunction with remote user
control (ES-UCF).
4.2.1 Unit Ventilating One Room
12
Unit Ventilating One Room
N
L
Room light
2 Amp max
Fuse
Switch
SWL
N
L
*Link
Isolator
Unit ventilating one room
4.2.2 Unit Ventilating One Room (Using Unit Run-on Timer)
13
Unit Ventilating One Room (Using Unit Run-On Timer)
SWL
N
L
Room light
Switch
2 Amp max
N
Fuse
L
Isolator
Unit Ventilating One Room (Using Unit Run-On Timer)
4.2.3 Unit Ventilating Two Rooms
14
Unit Ventilating Two Rooms
N
L
2 Amp max
Fuse
Room light
(double pole)
Switches
SWL
N
L
*Link
Isolator
Unit Ventilating Two Rooms
4.2.4 Unit Ventilating Two Rooms (Using Unit Run-on Timer)
15
Unit Ventilating Two Rooms (Using Unit Run-On Timer)
SWL
N
L
N
L
(double pole)
Switches
Room light
2 Amp max
Fuse
Isolator
Unit Ventilating Two Rooms (Using Unit Run-On Timer)
4.3 Control Connections (Optional)
4.3.1 Ecosmart Device ‘Net’ Connections
4 IDC plug-in connectors are provided for the connection of compatible
sensors, manual controls and for inking the fans together under a
common control. If more than four connections are required, the
junction box (product code ES-JB) should be used.
Do not run the SELV data cable in the same conduit as the mains
cable and leave a 50mm separation with any power cables.
4.3.2 Volt Free Relay Contacts
The volt free contacts are not fused. If these are used to power any
external equipment, the installer must provide adequate fusing or other
protection. These contacts are rated at 5A resistive, 0.5A inductive.
4.3.3 Run Connections
These contacts are closed when the fan is running.
4.3.4 Fault Connections
No Fault:
Contacts are closed.
Fault:
Contacts are opened (this includes no power
supply at the unit).
4.3.5 Data Cable installation
A 4-core SELV data cable is used to connect devices such as sensors to
the fan and for interconnecting multiple fan units.
Do not run data cable in the same conduit as the mains cables and
ensure there is a 50mm separation between the data cable and other
cables. The maximum cable run between any two devices is 300m
when it is installed in accordance with the instructions.
Total data cable length used in any system must be less than
1000m.
Keep the number of cable joints to a minimum to ensure the
best data transmission efficiency between devices.
4.3.6 Maximum Number of Devices
The maximum number of devices (including fans) that can be
connected together via the cable is 32, irrespective of their functions.
5.0 CONTROLS
5.1 Min Speed
Used to regulate trickle speed. Can be disabled using switch.
5.2 Max Speed
Used to regulate full speed.
5.3 Run-on Timer
Adjustable between 1 and 60 minutes.
5.4 LED Indication
Pwr
:
GREEN - Power on and OK.
RED - Too much power is taken by peripherals or there is a
short circuit in the net cable. Check the cable and
use a junction box (ES-JB) to connect some of the peripherals.
Standby:
LED on when fan is not running.
Fan 1:
GREEN - Fan 1 is running.
RED - Fan 1 faulty.
Fan 2:
GREEN - Fan 2 is running.
RED - Fan 2 faulty.
6.0 MAINTENANCE
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.
6.1 Annually
•
Inspect all parts and take care to retain all control settings, with a
brush or dry cloth remove all dirt and debris from the case.
•
All electrical terminals within the unit should be tightened.
