Baxi Neta-tec Combi GA Range - Page 28

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© Baxi Heating UK Ltd 2012
16.0 Internal Wiring (cont.)
Megaflo 2 System GA
X23 X37 X36
X22 X20 X24
X10
X11
X12
X13
X1
X2
Flue Sensor
Heating
Return
Sensor
Heating
Flow
Sensor
Spark
Ignition
Electrode
Gas
Valve
Fan
Safety
Thermostat
Hydraulic
Pressure
Switch
Pump
X3
b
b
r
r
r
bk
g
b
g
br
w
b g
br
bk
b
b
br
br
b
b
br
b
b
bk
g/y
b
br
bk
gr
g/y
g/y
g/y
g/y
g/y
Flame
Sensing
Electrode
b
w
bk
bk
br
b
Terminal
Strip
M2
Low Voltage
External Control
Connection
X22
br
br
b
w
X31
bk
bk
X20
X31
To M2
Connection