Installer Wiring Connections; Power Supply (Power Cables) Terminal Strip; Earth Rail Location; Stepped Cable Grommets - Worcester Greenstar 4000 Installation And Maintenance Instructions Manual

5.5.2

Installer wiring connections

Access to electrical connections
▶ Release side catches and lower control panel into the service
position.
▶ Loosen the retaining screw [1].
▶ Push in the tabs and open the cover.
Fig. 57 Opening the cover

Stepped cable grommets

▶ For splash-water protection (IP): cut the stepped cable grommets to
match the diameter of the cable.
1
Fig. 58 Adapting the grommets to the cable diameter
[1] Low voltage (signal cables) grommet
[2] Power supply (power cables) grommet with strain relief
[1] Low voltage (signal cables)
▶ Guide the cable through the grommet.
▶ Connect the cable to the terminal strip for external accessories.
[2] Power supply (power cables)
▶ Guide the cable through the grommet.
▶ Connect the cable to the terminal strip for external accessories and
the protective conductor (PE) to the \ rail.
▶ Secure the cable on the strain relief.
Greenstar 4000 – 6 720 891 162 (2020/09)
1
0010035140-001
2
0010036149-001

Power supply (power cables) terminal strip

Fig. 59 Power supply (power cables) terminal strip

Earth rail location

Strain relief assembly is removable via a single screw to provide easier
access if required.
Connect the protective conductor (earth) cable from the power lead to
the earth rail [1].
1
Fig. 60 Earth rail
Installation
0010019905-002
0010036464-001
41