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. 708 Circuit Diagram Automatic Control Air Top 2000 Diagnosis,
24V TRS Operation with Combination Timer and 2 Auxiliary Drives
NOTE:
Minus potential applied to con-
trol unit input X11/2 (TRS
identification) across Y2 and K
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),
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
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
P1
Combination Timer (1531)
S2
Disconnect Switch 1 or 2-pole
Emergency-off Switch;
electr. or pneum.
S3
Switch
Instant heating remote control
S4
Switch
Conveyor facility I
S5
Switch
Conveyor facility II
X1-X5
Connection 2-pole
of item A2
X6
Connection 8-pole
of item A2
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)
X13
Connection 12-pole
of item P
Y1
Dosing Pump
Y2
Solenoid valve
for conveyor facility I
Y3
Solenoid valve
for conveyor facility II
1
708
ϑ
ϑ
ϑ
1
CAUTION:
Pin 4 no ground connection
7 Circuit Diagrams
Air Top 2000