6 720 611 449 GB (03.11)
Electrical connections
21
4
Electrical connections
B
Allow mains cable to protrude at least 50 cm from
wall.
B
To maintain the splash-proof (IP) design: cut the
cable grommet hole size to match the diameter of the
cable, see fig. 27.
B
The appliance must be earthed.
B
It must be possible to completely isolate the appli-
ance with at least 3mm contact separation in both
poles.
The wiring between the appliance and the electrical
suppy shall comply with current IEE Wiring Regulations
(and any local regulations which apply) for fixed wiring
to a stationary appliance.
• Supply: 230 V ~ 50 Hz, 150 Watts
• External fuse 3 A
• Any system connected to the boiler must NOT have
a separate electrical supply
• Water Protection IPX4D.
4.1
Connecting the appliance
To gain access to the mains connection remove the
drop down facia cover. The drop down cover is
removed by lowering it to the horizontal position and
pushing firmly upwards at the rear of the supports to
release the cover. Lift cover from the appliance.
After installation (or in the event of an electrical fault) the
electrical system shall be checked for short circuits,
fuse failure, incorrect polarity of connections, earth con-
tinuity and resistance to earth.
B
Pull out cover panel at the bottom and remove. Refer
to fig. 25.
Fig. 25
B
Remove screw and slide terminal cover forwards to
remove. Refer to fig. 26.
Fig. 26
B
Cut cable grommet to diameter of cable.
Fig. 27
B
Feed cable through cable grommet and connect the
mains supply cable, see fig. 28.
B
Secure cable in cable grommet by means of cable
grip.
Fig. 28
B
Always disconnect the power supply to
the appliance at the mains before carry-
ing out any work on the electrical sys-
tems and components.
0
1
2
3
4
5
E
6 720 610 332-10.1R
0
1
2
3
4
5
E
6 720 610 336 -18.1R
0
1
2
3
4
5
E
6 720 610 332-12.1R
13-14
10-12
8-9
5-7
N
S
L
N
