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Installation and Maintenance
5.0 Electrical Connection
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.
Figure 8.
3
2
Connection to Remote Fail
Indicator Ref: MRXBOX95LH-RFI
Unit serving kitchen and bathroom
Figure 9.
Disconnection from
MAINS
the supply mains must
230V
be incorporated within
50Hz
the fixed wiring in
accordance with the
wiring regulations and
shall have a minimum
contact separation
of 3mm.
Unit serving kitchen and two bathrooms
Figure 10.
Disconnection from
MAINS
the supply mains must
230V
be incorporated within
50Hz
the fixed wiring in
accordance with the
wiring regulations and
shall have a minimum
contact separation
of 3mm.
MRXBOX95-WH1 Mechanical Ventilation with Heat Recovery
N
L
Room
Fuse 2A
light
Light
switch
(Double
Pole)
Kitchen switch
N
L
Room
Fuse 2A
lights
Light
switches
(Double
Pole)
Kitchen switch
Please note: the electrical connection of the unit must be 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: WH1 - 1.3 Amp
Fuse rating:
3 Amp
NOTE This unit must be earthed.
The three core 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.
Green/yellow
Blue
Brown
Black
3 Pole
Grey
isolator
Green/yellow
Blue
Brown
Black
3 Pole
Grey
isolator
5
Note: Wiring is for reference
purposes only as the connections
above are factory fitted.
The unit is pre-wired with a
2 metre fly lead.
Supply cord
from unit
Optional summer boost switch
Supply cord
from unit
Optional summer boost switch
08. 05. 14. Leaflet Number 671548
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