Worcester GREENSTAR II HE OIL 12/22 Installation And Servicing Instructions page 15

Fig. 20. Wiring Diagram (Standard).
Mains supply 230V 50Hz
Earth
Stud
Green/Yellow
Flue Overheat Manual reset
thermostat thermostat
Orange
Brown
Brown
Control
thermostat
Fig. 21. Programmer Connections
(a) Internal Programmer
7 8 9 10
Blue
Programmer
E N L
Blue
L N E E N 1 2 3 4 5 6
Brown
Blue
Green/Yellow
Brown
Blue
Mains on
(1)
neon
(C)
Lockout
neon
Pre-wired time clock
terminal strip socket
(Located in boiler
electrical cover).
Pre-wired time clock
terminal strip plug
(Connected to time
clock leads).
Brown
Green/Yellow
Blue
White
Grey
Brown
Time clock
white
connector
Brown
Black
Blue
Plug in
1 2 3 4 5 6
connector
1 2 3 4 5 6
Plug in connector
1 2 3 4 5 6 7 8 9
N
E
Satronic control box
TF832.3
15
7 8 9 10
(b) External Programmer