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Power supply S-20/S-23HM/F4/F5/F5H M/S-25HM/HS-50 Conversion Instruct ions 3.5 Converting placement machines from 3 x 400 V ~ to 3 x 208 V ~ 03/2001 Edition 84 Fig. 3 - 2 T erminals on transform ers T1 and T2 and the inr…
S-20/S-23HM/F4/F5/F5HM/S-25HM/HS-50 Conversion Instructions Power supply
03/2001 Edition 3 Converting the power supply on S-20/S-23HM/ S-25HM/F4/F5 and F5HM machines
83
3.5.1 Removing the power supply unit
Å Loosen the two hexagon socket head screws (item 2 in Fig. 3 - 1).
Å Remove the cover (item 3 in Fig. 3 - 1).
Fig. 3 - 1 Removing the cover over the power supply unit
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s +H[DJRQVRFNHWKHDGVFUHZ[
d &RYHU
(T) PCB transport direction 3
3
Å Loosen the hexagon socket-head screw at the bottom of the power supply unit.
Å Take hold of the handle and remove the power supply unit from the housing.
The terminals on transformers T1 and T2 and the inrush current limiter can now be accessed
for rewiring.
Power supply S-20/S-23HM/F4/F5/F5HM/S-25HM/HS-50 Conversion Instructions
3.5 Converting placement machines from 3x400V~ to 3x208V~ 03/2001 Edition
84
Fig. 3 - 2 Terminals on transformers T1 and T2 and the inrush current limiter
(T1) Single phase transformer T1 s - h 230 VAC
s - f 110 VAC
(T2) Three-phase transformer T2 a, s, d 3 x 400 VAC
j, k, l 3 x 208 VAC
(A1) Inrush current limiter 3
S-20/S-23HM/F4/F5/F5HM/S-25HM/HS-50 Conversion Instructions Power supply
03/2001 Edition 3 Converting the power supply on S-20/S-23HM/ S-25HM/F4/F5 and F5HM machines
85
3.5.2 Converting the single-phase transformer T1 from 230 VAC to 110 VAC
Å Detach the black connecting wire from terminal h (230 V) and connect it to terminal f (120 V
- see Fig. 3 - 2
).
3.5.3 Converting the three-phase transformer T1 from 3 x 400 VAC to 3 x 208 VAC
Å Detach the black connecting wire from terminal a (400 V) and connect it to terminal j (208 V)
see Fig. 3 - 2
).
Å Detach the black connecting wire from terminal s (400 V) and connect it to terminal k (208 V)
see Fig. 3 - 2
).
Å Detach the black connecting wire from terminal d (400 V) and connect it to terminal l (208 V)
see Fig. 3 - 2
).
3.5.4 Converting the inrush current limiter A1 from 3x400 VAC to 3x208 VAC
Å Detach wire d from terminal 13 and connect to terminal 14 (see Fig. 3 - 3).
Å Detach wire h from terminal 23 and connect to terminal 24 (see Fig. 3 - 3).
Å Detach wire l from terminal 33 and connect to terminal 34 (see Fig. 3 - 3).
Å Detach wire s from terminal 12 and connect to terminal 13 (see Fig. 3 - 3).
Å Detach wire g from terminal 22 and connect to terminal 23 (see Fig. 3 - 3).
Å Detach wire k from terminal 32 and connect to terminal 33 (see Fig. 3 - 3).
3.5.5 Installing the power supply unit
Å Carefully push the power supply unit into the housing until it reaches the stop.
Å Use the hexagon socket-head screw to secure the unit at the bottom.
Å Check that the yellow-green PE wire is connected to the cover.
Å Replace the cover.
PLEASE NOTE: 3
Make sure that the actuating shaft of the main switch slides easily into the opening in the
rotary button. 3
Å Fix the cover in place using the two hexagon socket head screws.