Wiring Diagram Activ A Plus 16S - Activ A Plus 25S - Biasi ActivA Plus Service Manual

3.2 Wiring diagram Activ A Plus 16S - Activ A Plus 25S

Three way
diverter valve
3 M
Pump
1
~
2
bu
bu
bn
bu
bn
og
bk
bu
bn
gnye
bu
bn
bk
bk
rd
rd
N
bu
gnye
L bn
3 ye
2
bk
1
wh
bn = brown
bu = blue
bk = black
wh = white
rd = red
gy = grey
Figure 3.2
Gas valve
1
3
bu
bn
bu
gnye
4
rd
bk
bu
br
br
gn = green
ye = yellow
vt = violet
og = orange
gnye = green/yellow
rdwh = red/white
DIAGRAMS
Fan
Ignition
electrodes
bn
M
gnye
bu ~
wh
gy
wh
wh
ye
bu wh
bk
og
Flame detection
electrode
wh
C.h. temperature
t
wh
wh
bk
t
rd
rd
t
rd
wh
bk
bu
bu
rd
5 V
bk GND
OUT
wh
bu
C.h. temperature
t
bu
bk
bk
probe NTC
return
Flue temp.
probe NTC
thermal fuse
Primary circuit
pressure switch
probe NTC
flow
Safety
thermostat
- 9 -