16
SECTION 2 - INSTALLATION
2.11 WIRING DIAGRAM
3
2
1
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
2
3
4
5
1
2
C
ha
ss
is
Earth
TIMER
1
2
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 -
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
FLO
W -
DHW
+
DHW
-
X
7
3
5
2
1
1
2
3
4
5
6
2
WPS
S
IGNA
L
WPS
GND
FLU
E +
FLU
E -
RE
TURN
+
RE
TURN
-
1
black grey red green blue brown green/yellow orange pink violet yellow white
- - - - - - - - - - - -
bk gy
r g b br
g/y
o p v y w
KEY
DIVER
TOR
VA
LV
E
FA
N
PUMP
DHW FLOW TURBINE
W
ATER
PRESSURE SWITCH
RETURN THERM
FLOW THERM
GAS VA
LV
E
SP
ARK
GENERA
TOR
IGNITION
ELECTRODE
br
g/y
g/y
g/y
b
r
r
bk
bk b
g/y
b
b
bk
b
gy
r
r
g/y
bk
r
gy
bk
bk
w
br
b
br
w
r
r
r
p
b
p
bk
y
y
bk
y
p
bk
b
bk
r
p
r
o
bk
bk
bk
bk
bk
y
v
v
bk
gy
bk
r
bk
gy
g
v
v
r
r