33
Installation and Servicing
SECTION 2 - INSTALLATION
2.20 WIRING DIAGRAM
R
ev
. 1
.7
3
2
1
Log
ic
C
om
bi
2016
S
che
m
at
ic
6
5
4
3
2
1
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1
8
7
6
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
SER
VICE
CONNECT
OR
2
3
4
1
PE
1
5
2
N
2
1
2
3
L
3
1
C
ha
ss
is
Earth
CH
L
4
2
5
CH
S
WL
3
6
F
L
1
2
4
7
F
SWL
1
2
3
4
3
2
1
2
3
4
1
2
3
3
2
1
1
2
3
PE
LV
X
4
230
V
50
H
z
M
ai
ns
NO. 2
B2
24V
NO. 5
A2
24V
NO. 6
B1
NO. 4
B3
NO. 3
A3
NO. 1
A1
X
6
WPS
5V
X
5
FLO
W +
FAN
FEE
DBA
CK
FAN
PW
M
FAN GN
D
PU
MP
FE
ED
BAC
K
PU
MP
P
WM
NC
GA
S VA
LVE
-
GA
S VA
LVE
+
TUR
BIN
E S
IGNA
L
TUR
BIN
E GN
D
X
1
TUR
BIN
E 5
V
CH LI
VE
IGNITION
LIV
E
PE
X
2
PU
MP
LI
VE
DHW
LI
VE
X
3
PU
MP
GND
X
9
X
8
OW
C +
OW
C -
OP
EN
TH
ER
M +
OP
EN
TH
ER
M -
OP
EN
TH
ER
M 5
V
CHIP
COM
B
US
TX
CHIP
COM
B
US
24
V
CHIP
COM
B
US
GND
CHIP
COM
B
US
5V
CHIP
COM
B
US
RX
MA
INS
LI
VE
MA
INS
NE
UTR
AL
AU
XIL
IA
RY
LI
VE
IONIS
ATIO
N
2
2
FLO
W -
DHW
+
DHW
-
X
7
1
3
2
1
1
1
2
3
4
5
2
WPS
S
IGNA
L
WPS
GND
FLU
E +
FLU
E -
RE
TURN
+
RE
TURN
-
1
3
2
1
black grey red green blue brown green/yellow orange pink violet yellow
- - - - - - - - - - -
bk gy
r g b br
g/y
o p v y
KEY
4
8
7
6
5
1
3
2
4
8
7
6
5
5
4
3
2
1
DETECTION ELECTRODE
FA
N
PUMP
DHW FLOW TURBINE
W
ATER
PRESSURE SWITCH
RETURN THERM
FLOW THERM
GAS VA
LV
E
SP
ARK
GENERA
TOR
IGNITION
ELECTRODE
bk
bk
br
b
g/y
g/y
g/y
g/y
g/y
b
r
r
bk
bk
bk b
g/y
b
b
br
r
r
bk
bk
w
br
b
br
bk
r
w
r
p
bk
y
y
p
bk
b
bk
r
p
r
or
bk
bk
bk
bk
bk
v
r
r
y
g
bk
gy
bk
p
r
y
b
b
bk
DIVER
TOR
VA
LV
E
1
2
3
4
W
EATHER
COMPEN
SATION
OPEN
THERM
v
v
bk
TIMER
(REAR VIEW)
v
bk
r
INST
ALLA
TION
Summary of Contents for INDEPENDENT+ COMBI 24
Page 4: ...4 Installation and Servicing...
Page 6: ...6 Installation and Servicing...
Page 63: ...63 Installation and Servicing...
Page 64: ......
Page 70: ...70 NOTES Installation and Servicing...