Webasto Air Top 2000 D Service And Repair Manual page 37

7 Circuit Diagrams
Item Nomenclature
A1 Air Heater
A2 Control Unit
B1 Flame Sensor
B2 Temperature Sensor
B3 Temperature Limiter
E Glow Plug
F2 Fuse 10A
H1 LED green (in item S1)
M Motor
S1 Rated Value Setting Switch
S2 Disconnect Switch 1 or 2-pole
X1-X5 Connection 2-pole
X6 Connection 8-pole
X7 Connection 4-pole
X8 Connection 2-pole
X9 Connection 2-pole
X11 Connection 2-pole
X12 Connection 1-pole
Y1 Dosing Pump
24V TRS Operation with Control Element in Vehicles without Auxiliary Drive
714
Fig. 714 Circuit Diagram Automatic Control Air Top 2000 Diagnosis,
ϑ ϑ
ϑ
Remark
Air Top 2000
Flat Fuse SAE J 1284
Operation indication
Control Element
Emergency-off Switch;
electr. or pneum.
of item A2
of item A2
of item S1
of item A2
of item A2
Diagnosis (K-wire)
Air Top 2000
Wire Gauges
< 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
Wire Colours
bl blue
br brown
ge yellow
gn green
gr grey
or orange
rt red
sw black
vi violet
ws white