GN
D
12
34
5
12
34
12
34
5
black
blue
orange
yellow/green
blue
brow
n
white
white
yellow/green
brown
CH
N
DHW
brown
blue
blue
brow
n
pink
CN5
CN2
X4
X9
X2
JP
4
CN
3
CN
1
P1
P3
P2
OP
EO
PE
FA
2
CONTROL
CARD
SOLAR CONTROLLER
FA
1
SC
ER
EA
TA
C
TL
ST
LA
TBT AP
C
SM
PA
CI
M5
M3
F1
F2
M3
a
M4
TA
N
N
L
L
F
VD
VG
brown
blue
CS
SB
i
brown
brown
black
blue brow
n
blue
red
white
white
brown
brown
brown
white
brow
n
whit
e
brow
n
yellow/green
yellow/green
black
blue
blue
VH
v
12
34
1
4 3 2 1
8 7 6 5 4 3 2 1
9 8 7 6 5 4 3 2 1
23
12
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20 21 22
N L
L1
N
34
56
X1
6
Power supply
230 V
ac
red
pink
red
black
white
white
orange
orange
black
whit
e
VL
v
blue
blue
blue
black
black
grey
SB
sS
Coll
red
red
SR
CR
SE
7 6 5 4 3 2 1
AP
C
Con
dens
ate
p
um
p
a
la
rm
CR
Remo
te c
o
n
tr
ol
CN1÷CN5
M
ai
n
s
volta
ge c
o
nnec
tio
n
s
EA
Ig
nitio
n elec
tr
od
e
ER
Fl
ame d
et
ec
tio
n elec
tr
od
e
F
Fus
e 3
.1
5A
F
(fast)
F1-F2
Fus
e 3
.1
5A
T (ti
me
d)
JP4
B
oiler
c
o
nfigur
atio
n
selec
tio
n ju
mper
(i
n positio
n 3)
÷M5
Co
nnec
tio
n t
er
mi
n
als
OPE
G
as
valv
e oper
ator
Cl
Ce
n
tr
al h
ea
ti
n
g/stor
ag
e c
yli
nd
er
pu
mp
PA
W
at
er
pr
es
sur
e s
wit
ch
P1
DH
W
t
emper
at
ur
e s
et
ti
n
g po
te
n
tio
me
ter
P2
CH t
emper
at
ur
e s
et
ti
n
g po
te
n
tio
me
ter
P3
Fu
nc
tio
n s
elec
tor
R9
M
ax
imu
m fan spe
ed t
ri
mmer
R10
M
ini
mu
m fan spe
ed t
ri
mmer
R14
B
ur
ner
ig
nitio
n slo
w
fan t
ri
mmer
R19
M
ax
imu
m C
H fan spe
ed t
ri
mmer
R3
5
Temper
at
ur
e c
o
n
tr
ol cur
ve s
elec
tio
n
trim
m
er
SC
Con
dens
ate
sens
o
r
SE
Out
d
oor
t
emper
at
ur
e s
en
sor
SF
Flue g
as t
emper
at
ur
e s
en
sor
SM
Pr
im
ar
y cir
cuit flo
w
t
emper
at
ur
e s
en
sor
SR
Pr
im
ar
y cir
cuit r
et
ur
n t
emper
at
ur
e
sens
o
r
SW1
Chi
mne
y s
w
eep
TA
Roo
m t
h
er
mosta
t
TA
C
Ig
nitio
n t
ran
sf
or
mer
TR2
M
ai
n t
ran
sf
or
mer
TB
T
Lo
w
t
emper
at
ur
e t
h
er
mosta
t
TLA
W
at
er
o
ver
temper
at
ur
e t
hr
eshold t
h
er
mosta
t
TLS
He
at e
xc
h
an
ger
t
hr
eshold t
h
er
mosta
t
VHv
Fan po
w
er
suppl
y 2
30V
VL
v
Fan c
o
n
tr
ol sig
n
al
1 .12
Wiring diagram
VG
G
as
valv
e
X2-
X1
6
Lo
w
v
olta
ge c
o
nnec
tio
n
s
VD
3-w
ay
v
alv
e s
er
vo
mo
tor
CS
Sol
ar
cir
cuit pu
mp
SBi
Stor
ag
e c
yli
nd
er
bo
tto
m
temper
at
ur
e s
en
sor
SBs
Stor
ag
e c
yli
nd
er
top t
emper
at
ur
e
sens
o
r
SC
oll
Sol
ar
cir
cuit c
ollec
tor
temper
at
ur
e pr
o
b
e
17
GENERAL
