Bosch Worcester 15SBi Installation And Servicing Instructions

11
Fig.13 . Wiring diagram - pictorial.
CH Sensor
Flame
Sense
Electrode
Spark
Electrode
Gas Valve
Air Flow
Switch
Mid
Position
Valve
Y Plan
(Optional)
Facia
Mounted
Timer
(Optional)
Cylinder
Thermostat
Overheat
Cut-off
Fan
Control Board
X1
X10
1
1
1
X11
X12
X2
X3
X4
X5
X6
br
bl
bl
y
bl
bl - Blue
br - Brown
y - Yellow
g - Green
1
br
br
br
2 orange
2 red
2 green
Pump

Bosch Worcester 15SBi Specifications

General

Brand	Bosch
Model	Worcester 15SBi
Category	Boiler
Language	English