52
WIRING DIAGRAM
LEGEND
P
System circulating pump
PSG
Safety gas press. switch
PA
Air pressure switch
PH20
Water pressure switch
E.A.
Ignition electrode
E.R.
Control electrode
TRA
Transformer
IG
Main switch
VG
Gas valve
FA
Anti interference filter
TA
Room thermostat (optional)
SE
External sensor (optional)
Fuse
L
N
TA
TA
SE
SE
1
2
3
4
5
6
C
NC
NA
NC
C
NA
M1
ROSSO
NERO
ROSSO
NERO
GRIGIO
GRIGIO
MARRONE
NERO
AZZURRO
MARRONE
AZZURRO
NERO
NERO
(VITE DI TERRA)
AZZURRO
MARRONE
AZZURRO
AZZURRO
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
MARRONE
MARRONE
MARRONE
MARRONE
1
G/VERDE
AZZURRO
MARRONE
X4
X3
B/X2
G/VERDE
AZZURRO
MARRONE
AZZURRO
MARRONE
AZZURRO
MARRONE
A/X2
C
MARRONE
AZZURRO
AZZURRO
MARRONE
MARRONE
AZZURRO
MARRONE
NERO
BIANCO
GRIGIO
EI
VD
SS
TA
2
PH O
PA
SR
SM
FA
VG
VN
IG
P
TRA
E.R.
E.A.
2
1
L N N1 L1
13
12
11
10
9
8
7
6
5
4
3
2
1
6
5
4
3
2
1
SR
Return sensor
SS
Hot water sensor
SM
Delivery sensor
M1
Terminal board
VD
3 way valve
EI
Summer/Winter switch
VN
Fan
A/X2
5 poles connector
B/X2
8 poles connector
X3
6 poles connector
X4
2 poles connector
C
Connector