54
9.2
Electrical diagram
A Earth connection heat exchanger
F
Fuse (3.15 AT)
P1
CH pump
S5
Flow sensor
B
Spark cover
G
Gas valve + ignition unit
S1
Supply sensor
S7
CH water pressure sensor
C Boiler controller
I
Ignition/ionization pin
S2
Return sensor
V
Fan
E
Earth lips
boiler controller
M
Mains voltage
S3
DHW sensor
Connecting:
Connector X4
24V=
5 -
CH pump (5= PWM signal (red), E=earth)
6 - 7
On/off room thermostat and/or frost thermostat (24Vdc or ± 125mA)
8 - 9
Outdoor sensor (12 k Ohm / 25°C)
9 - 10
Tank sensor or tank thermostat (if through connection 9 – 10 present, then remove it)
11 - 12
OpenTherm thermostat
Connector X2
230V
~
2 - 4
Mains cable (2=L (brown), 4=N (blue), E=earth)
7 - 8
CH-pump (8=L (brown), 7=N (blue), E=earth)
3 – 5 - 6
Floor heating or group regulation valve. (3=L (brown), 5=switch (black), 6=N (blue))
(EK3WV1AA).
3 – 5 - 6
Three-way valve (3=L (brown), 5=switch (black), 6=N (blue)) (EK3WV1AA).
Connector X5
Computer interface
Содержание GW-30 C22
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