Repair manual

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Item Nomenclature Remark
A1 Air Heater Air Top 2000
A2 Control Unit
B1 Flame Sensor
B2 Temperature Sensor
B3 Temperature Limiter
E Glow Plug
F2 Fuse 24V 10A/12V 15A Flat Fuse SAE J 1284
H1 LED green (in item S1) Operation indication
M Motor
S1 Control Element Rated Value Setting Switch
X1-X5 Connection 2-pole of item A2
X6 Connection 8-pole of item A2
X7 Connection 4-pole of item S
X8 Connection 2-pole
X9 Connection 2-pole of item A2
X11 Connection 6-pole of item A2
X12 Connection 1-pole Diagnosis (K-wire)
Y1 Dosing Pump
Wire Gauges
< 7.5 m 7.5 - 15 m
0.75 mm
2
1.0 mm
2
1.5 mm
2
2.5 mm
2
4.0 mm
2
1.5 mm
2
1.5 mm
2
2.5 mm
2
4.0 mm
2
6.0 mm
2
bl
br
ge
gn
gr
or
rt
sw
vi
ws
Wire Colours
blue
brown
yellow
green
grey
orange
red
black
violet
white
Fig. 703 Circuit Diagram Automatic Control Air Top 2000 Diagnosis, 12V/24V with Control Element
Connection X11/2 and X11/3
for TRS function only
2
703
2
Air Top 2000 7 Circuit Diagrams