6-3
DIAGRAMS
TANKLESS WATER HEATER 199
17
16
14
15
13
12
11
10
9
8
7
6
5
4
3
2
1
Domes
tic ho
t w
at
er sensor S3
Domes
tic c
old w
at
er sensor S4
He
at e
xchang
er sensor S0
Flue sensor S5
BMM
4
3
2
1
5
4
3
2
1
Gasv
alv
e
X15 (24V=)
X14
PC
1
2
1
2
3
4
5
X13 (24V =) N
/A
X9
(24V =)
X11 (24V =) N
/A
X10 (24V =) N
/A
X8
(120V ~)
X5
(120V ~)
Ignition unit
Burner c
ontr
oller
1
2
3
4
5
6
Earth c
onnec
tions
he
at e
xchang
er
Po
w
er c
or
d
Eart c
onnec
tions
burner c
ontr
oller
Fa
n
Ignition pin
Elec
tr
onic b
yp
ass
valv
e
24V =
3
2
1
4
3
5
http://www
.intergasverwarming.nl
X3
(120V ~)
N/A
1
2
3
4
5
X1
(120V ~)
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
120V~ / 60H
z
Diagram 6.2-2: Electrical wiring diagram