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PCB
AE01A-P2X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
PCB
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
AE02X
PCB
MOT2B
MOT2B
MOT2B
Strip
High voltage
High voltage
High voltage
Low voltage
PCB
Gas valve
Fan
Condense sensor
Flow sensor
Return sensor
Pump
External transformer
Hot water outlet sensor
External sensor (if fitted)
Actuator
230V connection for time clock or
room thermostat
Flow meter
Water pressure sensor
Ignition transformer
PLUG or CONNECTION
CN1
CN2
CN3
CN4
CN5
CN8
CN9
CN10
PLUG or CONNECTION
J1
J2
J3
J4
J5
J6
J7
J8
J9
J10
J12
J11-J13-J14
J15
PLUG or CONNECTION
CN01
CN02
CN03-CN04
PLUG or CONNECTION
M3
M6
M2
M10
PLUG or CONNECTION
OPE
F
C.S.
F.S.
R.S.
P
DHWT
O.S.
3W (M)
R.T.
DHW F.S.
WPS
TSC2
DESIGNATION
Flow, return, condense sensor
DHW sensor, DHW flow meter, water pres-
sure sensor
Underflow system overheat temperature
RS232 PC interface
Display board connection
Unused
Unused
Unused
DESIGNATION
Earth
Unused
Incoming 230V supply, heat request
Unused
Unused
230V sparking transformer
Earth sparking transformer
230V pump
230V 3-way valve, supplementary external
pump
230V gas valve
Fume thermostat/Water overheat thermostat
Unused
Outside sensor
DESIGNATION
External transformer connection
Fan connection
Connection to main PCB
DESIGNATION
Incoming 230V supply
Heat request, 230V clock supply
Supplementary external pump
Outside sensor, underflow system overheat
temperature
DESIGNATION
Plug J3 on AE02X
Plug CN02 on MOT2B
Plug CN1 on AE02X
Plug CN1 on AE02X
Plug CN1 on AE02X
Plug J8 on AE02X
Plug CN01 on MOT2B
Plug CN2 on AE02X
Plug J15 on AE02X
Plug J9 on AE02X
Plug J3 on AE02X
Plug J3 on AE02X
Plug J3 on AE02X
Plug J3 on AE02X
31
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