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15. 12. 21. Document Number 672005
Nuaire | Western Industrial Estate | Caerphilly | CF83 1NA | nuaire.co.uk
MRXBOXAB-ECO3B-AE(-D)
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.
4.1 Electrical Information
Voltage: 240V 1ph 50Hz
Consumption: 1.2 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 Serving Kitchen And Bathroom
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Wiring Diagram - Unit Serving Kitchen And Bathroom
3A Fuse
(BS 1362)
MAINS
230V
50Hz
Light
Room
Light
Switch
(Double
Pole)
N
L
3 Pole
Isolator
Kitchen Switch
Blue
Brown
Black
Optional 3 Speed Switch
Supply Cord
From Unit
Grey
Green / Yellow
4.2.2 Unit Serving Kitchen And Two Bathrooms
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Wiring Diagram - Unit Serving Kitchen And Two Bathrooms
3A Fuse
(BS 1362)
MAINS
230V
50Hz
Room
Lights
Light
Switches
(Double
Pole)
N
L
3 Pole
Isolator
Kitchen Switch
Blue
Green / Yellow
Brown
Black
Supply Cord
From Unit
Optional 3 Speed Switch
Grey
Supply Supply Extract Extract
Speed1 Speed2 Speed1 Speed2
Wiring is for
reference purposes
only, connections
shown are factory
fitted.
The unit is pre-wired
with a 2 metre fly
lead.
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PCB Details