Volt-Ampere Curves; Installing Shoulder Strap, Selecting A Location, And Connecting Input Power - Miller Electric UNITOR UWI 150 Auto-Line Owner's Manual

4-4. Volt-Ampere Curves

Volt-ampere curves show minimum and maximum voltage and amperage output capabilities
of welding power source. Curves of other settings fall between curves shown.
115 VAC Input
80
60
40
TIG Min
20
Stick Min
0
50
0

4-5. Installing Shoulder Strap, Selecting A Location, And Connecting Input Power

1
Airflow Distance
Requirements
18 in
(460 mm)
OM-220 340 Page 14
TIG/Stick Max
100
150
!
Do not move or operate
unit where it could tip.
18 in
(460 mm)
80
60
40
TIG Min
20
0
60
200 20 40
0
3
2
230 VAC Input
TIG/Stick Max
Stick Min
120 140 160 180 200
80 100
1 Welding Power Source
Shoulder Strap
Use strap to lift unit.
2 Input Power Cord
3 115 or 230 VAC Grounded
Receptacle
.
The Auto-Line circuitry in this
unit automatically links the
power source to the primary
voltage being applied, either
115 or 230 VAC.
An individual branch circuit capa-
ble of carrying 30 amperes and
protected by fuses or circuit
breaker is recommended. Rec-
ommended fuse or circuit breaker
size is 30 amperes.
!
Unit is supplied with a 115
VAC plug (CE models are
not supplied with a line
cord plug). For 230 VAC op-
eration, have a qualified
person obtain a proper
plug that meets all applica-
ble codes, and install the
plug according
manufacturer's
tions.
Connect input power plug to
proper receptacle.
!
Special installation may be
required where gasoline or
volatile liquids are present
− see NEC Article 511 or
CEC Section 20.
Ref. 803 351-C
223 288-A
to the
instruc-