Connecting 1-Phase Input Power For 230 Vac; Connecting To 1-Phase Engine Generator - Miller Electric Si 160 Owner's Manual

3-9. Connecting 1-Phase Input Power For 230 VAC

3-10. Connecting To 1-Phase Engine Generator w/230 Volt Output
Installation must meet all National and Local Codes − have only qualified persons make this installation.
.
Obtain a 230 volt plug that matches the receptacle on the engine generator. Install the plug on the cord of the welding power source according
to the plug manufacturer's instructions.
Generator Requirements
 Engine generator must provide the correct input amperage (see Section 3-8).
 Peak voltage must be less than 423 volts AC
 RMS voltage must be greater than 180 volts AC.
 Frequency must be between 50 and 60 Hz
NOTICE − Make sure welding power source is off during engine generator start-up. Do not turn on the welding power source until the generator has
reached normal operating speed.
OM-250 147 Page 12
1
5
2
3
Installation must meet all National
and Local Codes − have only
qualified
installation.
Disconnect
=GND/PE
input power before connecting
Earth Ground
input conductors from unit.
7
Always connect green or green/yel-
low conductor to supply grounding
terminal first, and never to a line
terminal.
.
See Section 3-10 for information on
connecting unit to an engine generator.
4
1 Black And White Input Conductor (L1
And L2)
2 Green Or Green/Yellow Grounding
6
Conductor
3 Input Power Cord.
4 Disconnect Device (switch shown in
L1
the OFF position)
1
L2
5 Disconnect Device Grounding
Terminal
6 Disconnect Device Line Terminals
Connect green or green/yellow grounding
conductor to disconnect device grounding
terminal first.
Connect input conductors L1 and L2 to dis-
connect device line terminals.
7 Over-Current Protection
Select type and size of over-current
protection using Section 3-8 (fused
disconnect switch shown).
Close and secure door on disconnect
device. Remove lockout/tagout device, and
place switch in the On position.
persons make this
and lockout/tagout
Tools Needed:
956142809_1-6_B / 956142809_2-6_B