Baxi Neta-tec Combi GA Range - Page 27

27
© Baxi Heating UK Ltd 2012
16.0 Internal Wiring (cont.)
Duo-tec 2 Combi GA
X23 X37 X36
X22 X20 X24
X10
X11
X12
X13
X1
X2
Flue Sensor
Heating
Return
Sensor
Heating
Flow
Sensor
Spark
Ignition
Electrode
Flame
Sensing
Electrode
Gas
Valve
Fan
Safety
Thermostat
Diverter Valve
Motor
Hydraulic
Pressure
Switch
DHW
NTC
Sensor
Pump
Hall Effect
Sensor
X3
b
r
w
b b
r
r
r
bk
g
b
g
br
w
b g
br
bk
b
b
g
g
br
br
b
b
br
b
b
bk
g/y
b
br
bk
r
bk
g/y
g/y
g/y
g/y
Terminal Strip
br
b
b
bk
bk
gr
M2
Low Voltage
External Control
Connection
X31
From X20
& X31
To M2
Connection
br
br
bk
bk