Webasto Air Top Evo 3900 Installation & Operating Instructions Manual - page 12
Air Top Evo 3900/5500 AM
Legend for circuit diagrams
27
5
Legend for circuit diagrams
1) With positive from terminal (15/75) to connection 10:
Continuous operation with immediate heating as long as the ignition
is switched on.
Without Positive on connection 10:
Heating time is variably programmable (10 min to 120 min),
default setting 120 min
2) Connection for Telestart*/Thermocall*/W-bus diagnosis
(only when using Control Panel MC04)
3) CO
2
adjustment (see workshop manual)
4)
NOTE:
If the connection is made to terminal 30, permanent heating is possible
when the ignition is switched off!
In this case no connection must be made to terminal 15/75.
5) NOTE:
ADR operation is not permissible for a system consisting of several
heater units!
6) External temperature sensor
7) Fuse installed in vehicle
9) Connection of additional heater units via serial bus interface
Cable cross-sections
< 7.5 m
7.5 - 15 m
0.75 mm
2
1.0 mm
2
1.0 mm
2
1.5 mm
2
1.5 mm
2
2.5 mm
2
2.5 mm
2
4.0 mm
2
4.0 mm
2
6.0 mm
2
Cable colours
bl
br
ge
gn
gr
or
rt
sw
vi
ws
blue
brown
yellow
green
grey
orange
red
black
violet
white