Worcester 26CDi Xtra

11
Fig. 9. Mains electricity connections.
Strain relief clamp
Green/yellow
Brown
Brown
Blue
Green/yellow
Blue
L
230V
ST12
N
Ns
LR
LS
Fig. 10. Wiring diagram.
Fan
Overheat
cut-off
device
Flame sense
electrode
Fan electrical connections
Black 1
White 4
Red 3
Air pressure
switch
Spark
electrode
Spark
transformer
Mains in
Link
Control Board
DHW
sensor
Flow
switch
ST16
2 blue
2 orange
2 brown
white
red
black
brown
blue
blue
brown
2 violet
white
2 red
2 yellow
2
pink
ST12 ST8
ST15 ST1
Pump
CH sensor
Gas valve
Reg
Main
1
3
1
Main
2 green