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. 705 Circuit Diagram Automatic Control Air Top 2000 Diagnosis,
12V/24V with Control Element and Standard Timer
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
H7
LED red (in item P)
Instant heat switch illumination,
standy indication,
operating indicator light
H8
Heating symbol in display (in item P)
Operating indicator light,
overheat indication
H9
Light (in item P)
Symbol illumination
M
Motor
P2
Standard timer
S1
Control Element
Rated Value Setting Switch
S3
Switch
Instant heating remote control
X1-X5
Connection 2-pole
of item A2
X6
Connection 8-pole
of item A2
X7
Connection 4-pole
of item S1
X8
Connection 2-pole
X11
Connection 6-pole
of item A2
X12
Connection 1-pole
Diagnosis (K-wire)
X13
Connection 12-pole
of item P
Y1
Dosing Pump
with plus from terminal (15/75)
to connection 10:
permanent operation during
instant heating as long as
ignition on
without plus to connection 10:
heating time programmable as
required (10 min to 120 min),
default setting 120 min.
Connection X11/2 and X11/3
for TRS function only
2
1
ϑ
ϑ
ϑ
705
1
2
Air Top 2000
7 Circuit Diagrams