7
nuaire.co.uk
029 2085 8400
20. 08. 19. Document Number 671887
I
nstallation and Maintenance
MRXBOXAB-ECO-LP2-C Remote Commissioning MVHR
8.0 ELECTRICAL CONNECTION
IMPORTANT
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.
EXTRA
EXTRA
CT F
CT F
AN
LI
AF
Supply Extract Supply Extract Supply Extract
SPEED 1
SPEED 2
SPEED 3
3
2
Please note: 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.
Electrical details:-
Voltage: 240V 1ph 50Hz
Consumption: LP2 - 1.3 Amps
Fuse rating: 3 Amps
NOTE: 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.
If more than one Ecosmart
sensor is required please
use MRXBOX-JB and refer
to leaflet No. 671700 for
installation instructions.
Note: Wiring is for reference
purposes only as the
connections above are
factory fitted.
Connection to Remote Fail
Indicator Ref: MRXBOX95-RFI
(optional).
Fuse 2A
MAINS
230V
50Hz
light
Room
Light
switch
(Double
Pole)
N
L
3 Pole
isolator
Kitchen switch
Blue
Brown
Black
Optional speed 3 switch
Supply cord
from unit
Grey
Green/yellow
Fuse 2A
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 speed 3 switch
Grey
Unit Serving Kitchen and Bathroom
Unit Serving Kitchen and Two Bathrooms
Figure 11. PCB Details
Figure 12.
Figure 13.
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.
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.
8.1 OPTIONAL CONTROLS
For Further Information Contact Nuaire on 02920 858 400.
Note: for Ecosmart sensors/controls cut a
slit in the grommet and feed the Ecosmart
connector through to retain sufficient
protection against water ingress. Ensure
Ecosmart cabling is secured with P-clips
supplied to provide suitable cable retention.
