.A complete Parts List is available at www.MillerWelds.com

SECTION 3 − DEFINITIONS

3-1. Symbol Definitions

 

Stop Engine

 

Fast

 

Fast/Slow

 

Slow (Idle)

 

 

(Run, Weld/Power)

 

(Run/Idle)

 

 

 

 

 

 

 

 

Start Engine

 

Read Operator’s

A

Amperes

V

Volts

 

 

Manual

 

 

 

 

 

 

Engine Oil

 

Fuel

 

Battery (Engine)

 

Engine

 

Temperature

 

Check Valve

 

Do not switch while

 

Work Connection

 

 

Clearance

 

welding

 

 

 

 

 

 

 

 

Positive

 

Negative

 

Alternating Current

 

Output

 

 

 

(AC)

 

 

 

 

 

 

 

 

 

Welding Arc

 

MIG (GMAW),

 

Stick (SMAW)

 

TIG (GTAW)

 

(Electrode)

 

Wire

 

 

 

 

 

 

 

 

h

Hours

s

Seconds

 

Time

 

Protective Earth

 

 

 

 

(Ground)

 

 

 

 

 

 

 

 

Circuit Protector

 

 

 

 

 

 

SECTION 4 − SPECIFICATIONS

4-1. Weld, Power, and Engine Specifications

.Also see Performance Data in Section 13.

Welding

Weld Output

Rated

Maximum

 

Fuel

 

Welding

Open Circuit

Generator Power Rating

Engine

Mode

Range

Capacity

Output

Voltage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250 A, 25 V,

 

 

 

 

CC/AC

40 − 250 A

100% Duty

80

 

 

 

 

 

Cycle

 

 

 

 

 

 

 

 

Peak: 10.5 kVA/kW

 

Kubota D722

 

 

 

 

 

 

 

 

 

Continuous: 9.5 kVA/kW,

 

 

 

250 A, 25 V,

 

 

Water-Cooled,

CC/DC

40 − 250 A

100% Duty

72

Single-Phase,

 

Three-Cylinder

 

 

Cycle

 

84/42 A, 120/240 V AC,

12 gal

Four-Cycle

 

 

 

 

60 Hz

18.8 HP

 

 

 

 

(45 L) Tank

 

 

 

 

(while not welding)

Diesel Engine

 

 

 

 

 

 

 

 

 

 

 

 

 

 

275 A, 25 V,

 

 

 

 

 

 

60% Duty

 

 

 

 

CV/DC

17 − 28 V

Cycle

41

 

 

 

250 A, 28 V,

 

 

 

 

 

 

 

 

 

 

 

100% Duty

 

 

 

 

 

 

Cycle

 

 

 

 

 

 

 

 

 

 

 

OM-217 455 Page 12

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Miller Electric 250 manual Symbol Definitions, Weld, Power, and Engine Specifications