Mains Voltage External Controls Connections - Bosch Worchester GREENSTAR ZWB 7-27 HE combi Installation And Servicing Instructions

Electrical connections
B Cut cable grommet to diameter of cable.
3
0 4
2
5
1
8-9
5-7
10-12 13-14
Fig. 26
B Feed cable through cable grommet and connect the
mains supply cable, see fig. 27.
B Secure cable in cable grommet by means of cable
grip.
L N N L L
R
S S
Fig. 27
22
E
6 720 610 332-12.1R
4130-14.1R
4.2 Mains Voltage external controls
connections
NOTE: Only double insulated controls not requiring an earth can be used
Ns Ls L
R
ST8
Remove Link
230 V R oom Thermostat Connections
230 V r oom thermos t at and
Programmer Connections
Fig. 28
Ns Ls L
R
ST8
Motor
230 V Pr ogrammer Connections
Ns Ls L
R
ST8
Series
connection
to be made
safe
Motor
6 720 610 576 - 22.1O
6 720 610 576 GB (02.05)