Ferroli SIGMA Installation And Servicing Instructions page 21

2.08.02 Schematic wiring diagram for fully pumped CH and gravity DHW
24
230V ~
50 Hz
from pump
SwL L N PL
YG YG
Key
16 Fan
2 a an n
n a a n
A
9 a a
6 a
8 F n a
86
101 a n
121 n a n n
f there are no e ternal control
the SW terminal to permanent live in the
unction o
ATTENT N: n gravity y tem i nece ary to
move the umper J
in 8X.
12 11 10 9
W
Blue
BR
BL
a n
a n
a n n a a
tted connect
rom C to C contact
Sigma
83
8 7 6 5 4 3 2 1
101
X3
Gravity domestic
34
ig. 0
43
NO
NC
C
X4
1 4
G C P
X8
JP
63
hot water
Color ey
n
lue
a
W
an
16
49
X5
1 5
121
86
n
n
21