Repair manual

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