HR01 Appliance-Loft Mechanical Ventilation with Heat Recovery ...
HR01 Appliance-Loft Mechanical Ventilation with Heat Recovery ...
HR01 Appliance-Loft Mechanical Ventilation with Heat Recovery ...
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Installation and Maintenance<br />
<strong>HR01</strong> <strong>Appliance</strong>-<strong>Loft</strong><br />
4.0 Electrical Connection<br />
Please note: the electrical connection of the unit must be be carried<br />
out by a qualified electrician.<br />
IMPORTANT: For good EMC engineering practice, any<br />
sensor cables or switched live cables should not be<br />
placed <strong>with</strong>in 50mm of other cables or on the same<br />
metal cable tray as other cables.<br />
The unit is supplied <strong>with</strong> a flexible cord for connection to the<br />
mains supply.<br />
Electrical details:-<br />
Voltage: 240V 1ph 50Hz<br />
Consumption: 75W (max) 0.6 amps<br />
Fuse rating: 3 Amp<br />
NOTE: This unit must be earthed<br />
The three core cable from the mains power supply should be<br />
connected to a fixed wiring installation, via a fused isolator, in<br />
accordance <strong>with</strong> current IEE wiring regulations.<br />
Figure 5a. Power supply PCB.<br />
230V in, 24V dc out.<br />
Internal wiring<br />
Figure 5b.<br />
Control PCB. 24V<br />
Connections for<br />
optional controls<br />
Volt free relay<br />
contacts.<br />
Fault<br />
Run<br />
Switch to deactivate<br />
continuous trickle<br />
Fan connections<br />
230V IN<br />
50Hz<br />
Mains<br />
SWL N L<br />
Connection to supply cord<br />
Earth point<br />
Unit serving kitchen and bathroom<br />
Figure 6.<br />
MAINS<br />
230V<br />
50Hz<br />
N<br />
L<br />
Fuse 2A<br />
Light<br />
switch<br />
(Double<br />
Pole)<br />
Room<br />
light<br />
3 Pole<br />
isolator<br />
Green/yellow<br />
Blue<br />
Brown<br />
Black<br />
Supply cord<br />
from unit<br />
Kitchen switch<br />
Summer<br />
bypass<br />
switch<br />
Grey (only used<br />
on bypass unit)<br />
Unit serving kitchen and two bathrooms<br />
Figure 7.<br />
MAINS<br />
230V<br />
50Hz<br />
N<br />
L<br />
Fuse 2A<br />
Light<br />
switches<br />
(Double<br />
Pole)<br />
Kitchen switch<br />
Room<br />
lights<br />
3 Pole<br />
isolator<br />
Green/yellow<br />
Blue<br />
Brown<br />
Black<br />
Summer<br />
bypass<br />
switch<br />
Grey (only used<br />
on bypass unit)<br />
Supply cord<br />
from unit<br />
4<br />
Leaflet Number 671447 February 2010
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