Table of Contents
Advertisement
Installation and Maintenance
4.0 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.
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.
Figure 7.
Fan
Connections
3
2
Connection to
Remote Fail
Indicator
(See 5.0)
Unit serving kitchen and bathroom
Figure 8.
MAINS
230V
N
50Hz
L
Unit serving kitchen and two bathrooms
Figure 9.
MAINS
230V
N
50Hz
L
MRXBOX95B-LH1/LH2 Mechanical Ventilation with Heat Recovery & Summer Bypass
Speed Control
Pots (See 6.0)
Room
See fuse
light
rating
Light
switch
(Double
Pole)
Kitchen switch
Room
See fuse
lights
rating
Light
switches
(Double
Pole)
Kitchen switch
Electrical details:-
Voltage:
240V 1ph 50Hz
Consumption: LH1 - 1.3 Amp
LH2 - 2.2 Amp
Fuse rating:
LH1 - 3A Amp
LH2 - 5A 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.
Note: Wiring is for reference
purposes only as the connections
above are factory fitted.
The unit is pre-wired with a
Fan Failure
2 metre fly lead.
Indicator
Power
Indicator
Green/yellow
Blue
Brown
Black
3 Pole
isolator
Summer
bypass
switch
Green/yellow
Blue
Brown
Black
3 Pole
isolator
Summer
bypass
switch
5
Earth point
Supply cord
from unit
Grey (only used
on bypass unit)
Supply cord
from unit
Grey (only used
on bypass unit)
24. 01. 17. Leaflet Number 671500
Advertisement
Table of Contents
