Servicing
37
1.
Power mains 230VAC,
2.
Panel with LCD screen
3.
Fan,
4.
Pump,
5.
Three-way valve,
6.
Ignition and Ionization electrode,
7.
External sensor,
18. Gas valve
24. Euro connector – the boiler power supply
bk
black
bu
blue
bn
brown
gnye
green-yellow
Fig.
№
. 23
Boiler electrical equipment wiring diagram (low voltage)
Содержание NAOS K4
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