IT
83
Schema elettrico
KB
K
B
C
o
n
tr
ae
n
te
C
al
d
ai
a
KK
K
K
C
o
n
tr
ae
n
te
B
o
lli
to
re
TB
TB
T
e
rm
o
sta
to
C
al
d
ai
a
TK
TK
T
e
rm
o
sta
to
B
o
lli
to
re
LT
LT
T
e
rm
o
sta
to
li
m
ita
to
re
BR
B
R
R
is
ca
ld
a
to
re
C
al
d
ai
a
KR
K
R
R
is
ca
ld
ato
re
B
o
lli
to
re
YP
YP
P
o
m
p
a
d
i l
av
ag
gi
o
TP
TP
P
o
m
p
a
d
i S
ca
ri
co
SV
SV
E
le
tt
ro
va
lv
o
la
DP
D
P
P
o
m
p
a
d
e
l d
e
te
rg
e
n
te
PP
P
P
P
o
m
p
a
d
i r
is
ci
ac
q
u
o
PS
P
S
P
re
ss
o
sta
to
KS
K
S
Se
n
so
re
p
o
rta
K
TR
K
TR
C
o
m
m
u
ta
to
re
SB
SB
P
u
ls
an
te
S
ta
rt
OL
O
L
Sp
ia
A
C
C
.
IL
IL
S
p
ia
d
i r
is
ca
ld
am
e
n
to
PL
P
L
Sp
ia
p
ro
gr
am
m
a
FJ
P
FJ
P
F
iltr
o
tr
if
as
e
SC
H
EM
A
EL
ETT
R
IC
O
C
R
W
1000
