Circuit Diagrams - Webasto Air Top 3500 Installation Instructions Manual

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Air Top 3500/5000
Legende for circuit diagrams:
Positive voltage from terminal (15/75) to pin 10:
continuous operation in the instant heating mode as
long as ignition is switched on
No positive voltage at pin 10:
variable heating times can be programmed
(10 min up to 120 min),
basic setting: 120 min
Diagnostic K conductor
Diagnostic L conductor
Input pin (pin 7/connector X7, cable color in cable harness: white/red):
"Ventilation" (blower speed is dependent on the heater control position)
CO2 setting (see Workshop Manual)
NOTE:
If connection is made to terminal 30, continuous heating operation is
possible with the ignition turned off! In this case, no connection to
terminal 15/75 must be made!
NOTE:
For TRS function, gray and purple wires are required.
20
Min. wire cross sections per circuit
< 7.5 m 7.5 - 15 m
2 2
0.75 mm 1.5 mm
2 2
1.0 mm 1.5 mm
2 2
1.5 mm 2.5 mm
2 2
2.5 mm 4.0 mm
2 2
4.0 mm 6.0 mm
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Colour of cables
bl blue
br brown
ge yellow
gn green
gr gray
or orange
rt red
sw black
vi violet
ws white