Electrical Diagram - Baxi EcoBlue System 12 Installation And Service Manual

3 Technical Specifications
M2
Low Voltage
External Control
6
7
Connection
8
9
10
Flue
Sensor
bk
r
Hydraulic
Pressure
Switch
Heating
Return
Sensor
Heating
Flow
Sensor
M1
Mains Voltage
Connection
1
2
Link
y
g/y
b
br
E
N
L
Mains Input Cable
b
1
Timer Connector
Timer Bridge
18 EcoBlue System
1
2
3
4
5
Boiler
br
Controls
bk
p
y
g
g
b
b
X20
g
b
b
r
X10
r
g/y
b
b
br
br
g/y
g/y
bk
g
b
br
2 3 4 5
Key To Wiring Colours
b - Blue
bk - Black
br - Brown
w - White
gr - Grey
3.4

Electrical Diagram

r
bk
w
R
/R
/P
+ +
X40 X41
X21 X30
X22
X50
b
br
X11 X12 X13 X14
b
bk
b
br
b
Fan
r - Red
g - Green
g/y - Green/Yellow
y - Yellow
p - Purple
g/y
b b
br br
X42
X60
X23
br
b
X1 X2
br
b
bk
g
Safety
Thermostat
g/y
g/y
Pump
Igniter
Spark
Ignition
Electrode
b
Flame
br
Sensing
Electrode
g
bk
Gas
Valve
7219708 - 01 (04/15)