Miller Subarc DC 1000 Gebruikershandleiding - Pagina 21
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2-14. Electrical Service Guide
Input Voltage
Input Amperes At Rated Output
Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes
Min Input Conductor Size In AWG/Kcmil
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG/Kcmil
Reference: 1997 National Electrical Code (NEC).
2-15. Connecting Input Power
Y Always connect
grounding
conductor first.
= GND/PE
1
3
7
Y When using multiple units which
will be linked with the synchro-
nizing terminal strip TE4, ensure
that primary input power con-
ductors are connected to each
unit in the same sequence (L1 to
L1, L2 to L2, and L3 to L3.)
.
See Section 2-16 for information on
testing for proper primary phase
sequence.
2
4
L1
L2
L3
L1
1
L2
5
Three-Phase,
Three-Phase, 60 Hz
50/60 Hz
380/400/415
460
143
124
200
175
1/0
1
382 (116)
417 (127)
6
6
Y Disconnect and lockout/tag-
out input power before con-
necting input conductors
from unit.
Y Have only qualified persons
make this installation.
Check input voltage available at
site.
Remove left side panel.
1
Input And Grounding
Conductors
2
Line Disconnect Device Of
Proper Rating
See Section 2-14.
6
3
Access Hole And Strain Relief
Connector
4
Input Conductors
5
Grounding Conductor (Green
or Green With Yellow Stripe)
Insert conductors through strain re-
lief.
L3
6
Three-Phase Input Contactor
7
Ground Terminal
Connect grounding conductor to
ground terminal on frame first. Then
connect input conductors to line ter-
minals on contactor. Secure strain
relief on input power cable.
Install and connect grounding con-
ductor and input conductors in con-
duit or equivalent to deenergized
line disconnect device.
Be sure grounding conductor goes
to an earth ground.
Reinstall side panel.
Tools Needed:
input_2 3/96 - Ref. ST-144 221 / Ref. ST-801 883-B
575
100
150
2
575 (175)
6
S-0092-J
7/16 in
3/8 in
3/16 in
OM-2221 Page 17