Tweco Merlin 6000 Plasma Cutting CE Slave Power Supply - Manual (Page 19)

Manual 0-2603 3-3 INSTALLATION PROCEDURES
11 12
L3 13
15 14
6 7
L2 8
10 9
1 2
L1 3
5 4
Busbar Connections
For Input Voltage
Of 380/415 VAC
A-01090
Figure 3-4 Busbar Connections
If necessary, reposition the busbars to correspond to
the available line voltage.
3.07 Primary Power Cable
Connections
WARNING
Disconnect primary power at the source before con-
necting the primary power cable to the power sup-
ply.
The primary power cable must be supplied by the end
user and installed to the Power Supply assembly. Rec-
ommended cable sizes are specified in Appendix 1.
NOTE
Three-phase operation requires a 3-conductor cable
with ground.
1. Route the primary power cable through the strain
relief fitting in the rear panel of the Power Sup-
ply and tighten strain relief screws.
Input Power
Filter PC Board
and Bracket
Primary Power
Cable
Strain Relief
Fitting
Input Ground
Connection
A-00896
L1
L2
L3
Figure 3-5 Input Voltage Connections
2. Locate the four input connectors, flat washers,
conical spring washers, and hex locking nuts sup-
plied with the power supply.
3. Install the input connectors, supplied, onto each
of the input power line leads of the power cable.
Input
Connector
Input Power Cable
(One Line)
Slotted Screw
A-00908
PC Board
Power Stud
Flat Washer
Conical Spring
Washer
Hex Locking
Nut
Figure 3-6 Input Voltage Connector Installation
Detail