80
Installation and maintenance instructions Gas Boiler Logano GC124 II/SP • Issue 07/2006
We reserve the right to make any changes due to technical modifications.
Electrical circuit diagrams
19
19 Electrical circuit diagrams
Fig. 61
Wiring Diagram– GC124 II
US
white
blac
k
B
lo
cke
d
vent switch
white
blac
k
Flam
e r
oll out
safe
ty
shu
toff sw
itch
O
p
ti
onal V
ent
Dam
per
P
lug
24V
AW
G
18 W
IR
E
12
0 VAC
bl
ac
k
ora
nge
orang
e
bla
ck
bl
ue
ye
llo
w
bl
ac
k
wh
ite
120V
24V
Tr
an
sf
or
m
er
40VA
4
B
oil
er S
ensor
W
R
C
S2
S1
R
R
B1
L1X
L2
C2
L1
C
B2
L2X
G
C1
Pa
ge
: 1/
2
W
iri
ng di
agr
am
gas
-boi
le
r GC
124 U
S
A
In
te
rm
itte
nt
ig
ni
tio
n
7230
63
046156
Plu
g
Plu
g
PV
Intermi
ttent pi
lo
t c
ontr
ol
mod
ul
e S8
600H
2006
/07
G
A
W 030 US
A
C
onn
ecti
ng
ter
m
inal
s for
therm
o
stat
( U
se R
ed +
W
h
ite
)
2
Aquas
ta
t R
el
ay
L7148F
...
2
B
ur
ner as
se
mbly
T
er
m
inal
s o
n b
oi
le
r bl
oc
k
Mai
n sup
p
ly
pow
er
- us
e ci
rc
ui
t break
er
as r
equi
red
by co
de
1
In
te
rm
itt
ent
pilot
dual
va
lv
e c
ombinat
ion
ga
s
co
nt
rol V
R
8204.
..
Pi
lo
t bur
ner
(H
oney
wel
l)
M
ain
v
alv
e
Pi
lo
t v
alv
e
green
bl
ue
wh
ite
red
GN
D
MV
MV
PV
GND
PV
MV
/PV
MV
24V
24V
3
2
1
Dr
wg
. n
o.:
R
evi
ew
ed :
E
di
tion
:
W
iri
ng d
iagr
am
:
ye
llo
w
wh
ite
bl
ac
k
gre
en
Ju
nc
tion B
ox
Ci
rc
ul
ator
N
H
1
S
er
vice
Sw
itch
(by
oth
ers
)
ye
llo
w
wh
ite
