WIRING DIAGRAM
AZZURRO - BLUE - AZUL - AZUL
MARRONE - BROWN - MARRÓN - MARROM
GRIGIO - GREY - GRIS - CINZENTO
NERO - BLACK - NEGRO - PRETO
ROSSO - RED - ROJO - VERMELHO
BIANCO - WHITE - BLANCO - BRANCO
G/VERDE - G/GREEN - VERDE - VERDE
AZZURRO
MARRONE
SM
AZZURRO
MARRONE
SR
AZZURRO
MARRONE
PA
C
SS
NC
MARRONE
NA
MARRONE
C
NC
NERO
NA
PH O
2
NERO
LEGEND
P
System circulating pump
Safety gas press. switch
PSG
PA
Air pressure switch
PH
0
Water pressure switch
2
Ignition electrode
E.A.
E.R.
Control electrode
TRA
Transformer
Main switch
IG
VG
Gas valve
FA
Anti interference filter
Room thermostat (optional)
TA
SE
External sensor (optional)
AZZURRO
AZZURRO
TRA
MARRONE
MARRONE
E.A.
X4
A/X2
B/X2
X3
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
EI
VN
E.R.
1
2
1
C
11
12
13
L N N1 L1
VD
IG
P
MARRONE
AZZURRO
AZZURRO
VG
NERO
SR
SS
SM
M1
VD
EI
VN
A/X2
B/X2
X3
X4
C
FA
Return sensor
Hot water sensor
Delivery sensor
Terminal board
3 way valve
Summer/Winter switch
Fan
5 poles connector
8 poles connector
6 poles connector
2 poles connector
Connector
52
(VITE DI TERRA)
M1
Fuse
L
MARRONE
AZZURRO
N
G/VERDE
TA
TA
TA
SE
SE
1
2
3
4
5
6