Webasto Thermosysteme Roof-top air-conditioning system CC4E
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3.4. Circuit diagram for basic version
Fig. 3.1
Nomenclature Pos 24 V
Fuse F1,F2 15 A, 15 A
Fuse socket, 4-fold FA 81676
LP/HP (HD/ND) switch S3 66553
Anti-icing switch S4 65345
Relay K1 34098
Rocker switch S1,S2 66596,66595
Axial fan M1,M2 64506
Radial fan M3 80866
Prot. against reversed
polarity
F3 75 A
Cable size (vehicle side)
+ Ground Compressor
24 V version 16 mm
2
16 mm
2
2.5 mm
2
Wire colours
bl
br
ge
gn
gr
or
rt
sw
vio
ws
blue
brown
yellow
green
grey
orange
red
black
violet
white
Plus pin B+
both sides
M8 dia.
Plus pin B-
both sides
M10 dia.
EC
mot.
Coupling
EC
mot.
Mot. ON
F3