Miller Electric 140 Auto-Set Welding System User Manual


 
. A complete Parts List is available on-line at www.MillerWelds.com
OM-225 311 Page 16
4-8. Selecting A Location And Connecting Input Power For 230 VAC Model
Y Installation must meet all Na-
tional and Local Codes − have
only qualified persons make
this installation.
Y Disconnect and lockout/tag-
out input power before con-
necting input conductors from
unit.
Y Always connect green or
green/yellow conductor to
supply grounding terminal
first, and never to a line termi-
nal.
1 Rating Label
Supply correct input power.
2 Black And White Input
Conductor (L1 And L2)
3 Green Or Green/Yellow
Grounding Conductor
4 Input Power Cord.
5 Disconnect Device (switch
shown in the OFF position)
6 Disconnect Device Grounding
Terminal
7 Disconnect Device Line
Terminals
Connect green or green/yellow
grounding conductor to disconnect
device grounding terminal first.
Connect input conductors L1 and L2
to disconnect device line terminals.
8 Over-Current Protection
Select type and size of over-current
protection using Section 4-9 (fused
disconnect switch shown).
Close and secure door on disconnect
device. Remove lockout/tagout de-
vice, and place switch in the On posi-
tion.
9 Plug (NEMA 6-50P)
10 Receptacle (NEMA 6-50R)
Connect plug to receptacle.
Y Special installation may be
required where gasoline or
volatile liquids are present −
see NEC Article 511 or CEC
Section 20.
Ref. 804 681-A / Ref. 802 443 / Ref. 802 085 / 803 766-B
18 in (457 mm) of
space for airflow
L1
L2
230 VAC, 1
10
Y Do not move or operate unit
where it could tip.
Tools Needed:
5
4
L1
L2
1
=GND/PE Earth
Ground
3
2
6
7
8
1
9