Wiring Diagram; Activ A 18S Activ A 25S Activ A 30S - Biasi Activ A 25C Service Manual

Diagrams
3.2

Wiring diagram

Activ A 18S Activ A 25S Activ A 30S

bu
bn
bu
bn
bk
bk
og
vt
gnye
bu
bn
Remote
External temp.
probe
terminal block
N
Electric supply
terminal block
L
Room thermostat
3
Frostat
2
terminal block
1
bn = brown
bu = blue
bk = black
wh = white
rd = red
gy = grey
6
Gas valve
1
3
bu
Pump
bn
bu
gnye
4
Fuse 2AF 250VAC
5x20
bk
bk
rd
rd
bu
gnye
bn
ye
bk
wh
gn = green
ye = yellow
vt = violet
og = orange
gnye = green/yellow
rdwh = red/white
Fan
Ignition
electrodes
gnye M
bn
~
bu
wh
gy
bk
bu
bu
bk
rd
vt wh
og
ye
bk
Condensate
trap
Flame detection
electrode
gy wh
bk
gy
Flue temp.
t
probe NTC
bk
rd
rd
COM
bk
Primary circuit
pressure switch
bk
bk bk
bu
bu
NO
bu
C.h. temperature
t
bu
bk
bk
bk
bu bk
Time switch (option)
probe NTC
Safety
thermostat