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Method Of Changing Wiring In Motor Terminal Box; Method Of Exchanging The Main Fuses - EBARA ESA25-D Instruction Manual

Multi-stage dry vacuum pump

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4.4.3 Method of changing wiring in motor terminal box

Figure 4.8 shows the method of changing wiring in motor terminal box from Main pump.
Wiring for 200V
X1
V1
U2
X1
Connect X1-W2-W1,V1-Z1-V2 and
U2-U1-Y1 with short-circuit bar.

4.4.4 Method of exchanging the main fuses

Fig. 4.9 Exchanging the main fuses
[200V AC at 3-phase and 50Hz, 200-220V AC at 3-phase and 60Hz]
The fuse of "32A" is installed in the fuse holder of FF1, 2, and 3.
[380-400V AC at 3-phase and 50Hz, 380-440V AC at 3-phase and 60Hz]
The fuse of "16A" is installed in the fuse holder of FF1, 2, and 3.
PM10U
W2
W1
Z1
V2
U1
Y1
Fig. 4.8 Wiring for 200V and 400V
**A
**A
**A
Wiring for 400V
X1
W2
V1
Z1
U2
U1
X1
Connect U2-X1,W2-Z1 and V2-Y1
with short-circuit bar.
MAIN FUSE HOLDER
EBARA
P.29
W1
V2
Y1
CORPORATION

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