Diagrams; Wiring Diagram - Biasi Activ A 12OV Service Manual

3

Diagrams

3.1

Wiring diagram

bu
bn
bu
bn
og
og
vt
gnye
bu
bn
Remote
External temp.
probe
terminal block
N
Electric supply
terminal block
L
Room thermostat
3
Pump
2
terminal block
1
bn = brown
bu = blue
bk = black
wh = white
rd = red
gy = grey
Gas valve
1
3
bu
bn
bu
gnye
4
Fuse 2AF 250VAC
5x20
bk
bk
rd
rd
bu
gnye
bn
ye
og
wh
gn = green
ye = yellow
vt = violet
og = orange
gnye = green/yellow
rdwh = red/white
Fan
Ignition
electrodes
bn M
gnye
~
bu
wh
gy
bk
bk
bk
Time switch (option)
vt wh
og
ye
Condensate
trap
Flame detection
electrode
gy wh
wh
gy
C.h. return temp.
t
probe NTC
wh
bk
rd
Flue temp.
rd t
probe NTC
bk
bu
bu
bu
C.h. flow temp.
t
bu
bk
bk
probe NTC
Safety
thermostat
5