Roof-top air-conditioning system CC4E
Webasto Thermosysteme
Page 16 / 32
3.5.
Circuit diagram for deluxe version
Fig. 3.2
Nomenclature
Pos
24 V
Temp. selector
B3
83051
Thermostat module
B2
66784
Temperature Sensor
B1
Philips KTY 81-110
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
