44
Design and specifications are subject to change without notice
01/2008
6.2.3 Layout of control PCB inside control box
Fig. 53 Control box inside (w/o SEL unit)
Slot Control board
Z-No.
Orientation
1
-
-
-
2
NEKO unit (ED trip)
128 750 R1
equipment to left
3
Voltage converter
128 730 R2-R4 equipment to left
4
SU-control unit
128 700
equipment to right
5
-
-
-
6
ST/UVR control unit
128 710 R1, R2
equipment to left
Table 5 Layout of control PCBs inside the box w/o SEL
Fig. 54 Control box inside (with SEL unit)
Slot Control board
Z-No.
Orientation
1
NEKO unit (ED trip)
128 750 R1
equipment to right
2
Voltage converter
128 730 R2-R4 equipment to right
3
SU-control unit
128 700
equipment to left
4
SU-control unit
128 700
equipment to right
5
-
-
-
6
SEL control unit
128 785 R1-R2
equipment to left
Table 6 Layout of control PCBs inside the box with SEL
Attention:
•
The isolation plates between the control boards and
at the wall of the box have to be always present!
•
In older systems it may be the control boards are in-
stalled 180° turned!
6.2.4 Replacement of the control boards
•
OPEN the breaker.
•
Disconnect power supply, and pull out all the plugs
from control box’s terminals.
•
In case of NEKO control unit inside, wait 1 minute
untill capacity will discharge.
Fig. 55-1 Unscrew and remove all the plugs
Fig. 55-2 Unscrew four bolts of the box cover
Fig. 55-3 Carefully move down the box cover
Slot numbers:
1
2
3
4
5 6
Slot numbers:
1
2
3
4
5 6
