00191498-01.pdf - 第27页
Conversion Instructions S-20/S-23 HM/F4/F5 Power supply 09/99 edition 27 Fig. 5 - 2 T erminals for transformer T1 and T2 and the i nrush current limiter (T1) Single-p hase tran sformer T1 (2) - (6) 230 V AC (2) - (4) 1 1…
Power supply Conversion Instructions S-20/S-23 HM/F4/F5
5 Converting placement systems from 3x400VAC to 3x208VAC 09/99 edition
26
Å Take suitable steps to ensure that the placement system cannot be reconnected to the power
supply while the conversion work is being carried out.
Å Put up warning signs to indicate that work is being carried out on the electrical system.
5.1 Dismantling the power supply unit
Å Loosen the two hexagon socket-head screws (item 2 in Fig. 5 - 1).
Å Remove the cover (item 3 in Fig. 5 - 1).
Fig. 5 - 1 Removing the cover over the power supply unit
(1) Main switch
(2) Hexagon socket-head screw, 2x
(3) Cover
(T) PCB transport direction 5
Å Loosen the hexagon socket-head screw at the bottom of the power supply unit.
Å Use the handle to pull the power supply unit out of the housing.
The terminals of transformer T1 and T2 and the inrush current limiter are now accessible for
rewiring.
1
2
T
4
0
0
V
4
0
0
V
3
2
Conversion Instructions S-20/S-23 HM/F4/F5 Power supply
09/99 edition
27
Fig. 5 - 2 Terminals for transformer T1 and T2 and the inrush current limiter
(T1) Single-phase transformer T1 (2) - (6) 230 VAC
(2) - (4) 110 VAC
(T2) Three-phase transformer T2 (1), (2), (3) 3 x 400 VAC
(7), (8), (9) 3 x 208 VAC
(A1) Inrush current limiter 5
V
1
~~
+-
~
V
5
V
4
~
~
+
-
~
~
+
-
~
-
V
3
V
2
A
B
230
230
150
120
N
+5%
P
E
-5%
24
8
0
8
24
N 208 400 400 208 400 400208 400 400 SC 69 48
42
0V69 69 48 48
42 42
6
4
2
7
1
8
2
9
3
A1
Inrush current limiter
T1
Single-phase
transformer
T2
Three-phase
transformer
230VAC
110VAC
3x400VAC
3x208 VAC
Power supply Conversion Instructions S-20/S-23 HM/F4/F5
5 Converting placement systems from 3x400VAC to 3x208VAC 09/99 edition
28
5.2 Converting the single-phase transformer T1 from 230 VAC to 110 VAC
Å Disconnect the black wire from terminal 6 (230 V) and connect it to terminal 4 (120 V - see Fig.
5 - 2).
5.3 Converting the three-phase transformer T2 from 3 x 400 VAC to 3 x 208 VAC
Å Disconnect the black wire from terminal 1 (400 V) and connect it to terminal 7 (208 V) (see Fig.
5 - 2).
Å Disconnect the black wire from terminal 2 (400 V) and connect it to terminal 8 (208 V) (see Fig.
5 - 2).
Å Disconnect the black wire from terminal 3 (400 V) and connect it to terminal 9 (208 V) (see Fig.
5 - 2).
5.4 Converting the inrush current limiter A1 from 3x400 VAC to 3x208 VAC
Å Disconnect wire 3 from terminal 13 and connect it to terminal 14 (see Fig. 5 - 3).
Å Disconnect wire 6 from terminal 23 and connect it to terminal 24 (see Fig. 5 - 3).
Å Disconnect wire 9 from terminal 33 and connect it to terminal 34 (see Fig. 5 - 3).
Å Disconnect wire 2 from terminal 12 and connect it to terminal 13 (see Fig. 5 - 3).
Å Disconnect wire 5 from terminal 22 and connect it to terminal 23 (see Fig. 5 - 3).
Å Disconnect wire 8 from terminal 32 and connect it to terminal 33 (see Fig. 5 - 3).
5.5 Installing the power supply unit
Å Carefully push the power supply unit into the housing until it reaches the stop.
Å Secure the unit to the bottom part using the hexagon socket-head screw.
Å Check that the yellow-green protective earth conductor is connected to the cover.
Å Attach the cover.
PLEASE NOTE: 5
Make sure that the actuating shaft of the main switch slides easily into the opening in the ro-
tary button. 5
Å Fix the cover in place using the two hexagon socket-head screws.