Electrical Connections; Connecting The Appliance - Worcester GREENSTAR 29 Installation And Servicing Instructions

Wall mounted condensing boiler
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4

Electrical connections

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.
All control and safety systems are built into the appli-
ance.
B Allow mains cable to protrude at least 50 cm from
wall.
B To make splash-water proof (IP): cut the cable grom-
met hole size to match diameter of cable, see Fig. 29.
It must be possible to isolate the appliance. The appli-
ance must be earthed.
The appliance must be connected to the mains through
a double pole isolator with a contact separation 3 mm
in all poles and supplying the appliance and controls
only. The wiring must comply with the current require-
ments of the IEE Wiring Regulations and any local reg-
ulations which apply.
• Supply: 230 V ~ 50 Hz, 43 Watts
• Mains cable: PVC insulated 0.75 mm
(24 x 0.20 mm) to BS6500-Table 6.
Temperature rated 100˚C.
• Water protection IPX4D
• External fuse 3 A to BS 1362.
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. 27.
3
0
4
2
5
1
E
6 720 611 137-09.1O
Fig. 27
6 720 611 137 GB (03.02)
B Remove screw and slide terminal cover forwards to
remove. Refer to fig. 28.
Fig. 28
B Cut cable grommet to diameter of cable.
2
Fig. 29
B Feed cable through cable grommet and connect the
mains supply cable, see Fig. 30.
B Secure cable in cable grommet by means of cable
grip.
Fig. 30
Electrical connections
3
0
4
2
5
1
E
3
0
4
2
5
1
E
8-9
5-7
10-12
13-14
6 720 611 137 -07.1O
6 720 611 137-08.1O
21

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