Technical data

DBW 2010 / 2012 / 2020 / 2022 / 300 / 350 7.The Circuit Diagrams
717
Figure 711 Application example, DBW 2012/2022 (ADR)
Pos. Definition Note
B4 Thermostat Fan thermostat
B5 Heat sensor External
F2 Fuse 8 A Vehicle fuse in compliance
with DIN 72581
F3 Fuse 8 A DBW 2022 ---, 16
A at 12 V)
Vehicle fuse in compliance
with DIN 72581
F4 Fuse 12 V = 16 A / 24 V = 8
A
Vehicle fuse in compliance
with DIN 72581
F5 Fuse, vehicle fan Vehicle fuse in compliance
with DIN 72581
G Battery
K8 Relay
K9 Relay
K11 Relay For the vehicle fan
M3 Motor Vehicle fan
S3 Dragging switch At the water faucet
S5 Awitch, for the vehicle fan Alternative to Pos. S4
S6 Switch Battery switch at positive
or negative
S7 Switch, at guide mechanism At negative
S8 Separation switch, with 1 or
2 pins
Emergency shut off switch
(mechanical, pneumatic or
electrical)
X4 Socket connection, with 8
pins
At B6
Cable Colors
Bl
Br
Ge
Gn
Gr
Or
Rt
Sw
Vi
ws
Blue
Brown
Yellow
Green
Grey
Orange
Red
Black
Violet
White
Cable Cross-section
< 7,5 m 7,5 - 15 m
0,75 mm2 1,5 mm2
1,0 mm2 1,5 mm2
1,5 mm2 2,5 mm2
2,5 mm2 4,0 mm2
4,0 mm2 6,0 mm2
WARNING
The circuit dia
g
ram of the a
pp
lication exam
p
le is related to
Fi
g
ure 705 automatic switch and the o
p
eration that has the
switch for the guide mechanism at POSITIVE.
1 Ventilation
2 Off
3 Heating
4 Cold
5 Hot
6 The wire bridge at the top part of the body will be cut off
when the external heat sensor will be used. This wa
y
, the
heat sensor will not work