5.3 Heater circuit diagrams
5.3.1 Heater
M
X:58
Light (+)
X:15
Ign (+)
X:30
Bat (+)
X:31
Bat (-)
-A10
a
-R1
WH
WH
-M3
Θ
-B11
V
U
BU
BU
1
2
3
4
5
6
7
8
-XB4
9
10
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
1
2
1
2
3
W
Θ
-B5
BN
BN
Θ
-B10
RD
RD
BN
-X1
Parts list see page 31 25.2691.00.9601.0A
32 25.2933.90.0001.0A EN | 06.2018
Technical Description | Hydronic S3 Economy
