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Installation Manual
4.0 ELECTRICAL INSTALLATION
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.
The electrical connection of the unit must be carried out by a
qualified electrician. The unit is supplied with a flexible cord for
connection to the mains supply.
Wiring is for reference purposes only, connections shown are
factory fitted. The unit is pre-wired with a 2 metre fly lead.
Disconnection from the supply mains must be incorporated
within the fixed wiring in accordance with the wiring
regulations and shall have a minimum contact separation of
3mm.
4.1 Electrical Information
Voltage: 240V 1ph 50Hz
Consumption: 2.5 Amp
This unit must be earthed.
The cable from the mains power supply should be connected
to a fixed wiring installation, via a fused isolator, in accordance
with current IEE wiring regulations.
4.2 Wiring Diagrams
4.2.1 Unit Only
15
Wiring Diagram - Unit Only
MAINS
230V
50Hz
4.2.2 Unit Serving One Bathroom
16
Wiring Diagram - Unit Serving One Bathroom
MAINS
230V
50Hz
4.2.3 Unit Serving Two Bathrooms
17
Wiring Diagram - Unit Serving Two Bathrooms
MAINS
230V
50Hz
4.2.4 Summer / Winter Switch
18
Wiring Diagram - Summer / Winter Switch
Nuaire |
Western Industrial Estate
N
L
5A Fuse
(BS1362)
N
L
Room
5A Fuse
light
(BS1362)
Light Switch
(Double Pole)
N
L
Room
5A Fuse
lights
(BS1362)
Light Switches
(Double Pole)
Red
Black
Volt free Summer / Winter Switch
(supplied with ventilation unit)
Polarity is inconsequential
Warning! - Do not connect to mains!
|
|
| nuaire.co.uk
Caerphilly
CF83 1NA
MRXBOXAB-ECO4-SC/SW
14
PCB Details
Green/yellow
Blue
Brown
2 Pole
1
Black
Isolator
L
Grey
2
3 Position Switch Ancillary code:
MRXBOX95-3SWITCH
Green/yellow
Blue
Brown
Black
1
3 Pole
L
Grey
Isolator
2
3 Position Switch Ancillary code:
MRXBOX95-3SWITCH
Green/yellow
Blue
Brown
Black
1
3 Pole
L
Grey
Isolator
2
3 Position Switch Ancillary code:
MRXBOX95-3SWITCH
2 core cable from
ventilation unit
11. 09. 23. Document Number 671857
Supply cord
from unit
Supply cord
from unit
Supply cord
from unit
7
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