8-2. Connecting To Optional Three-Phase Generator (CC/CV Models Only)

 

 

 

. Place Process/Contactor switch

 

 

 

in Weld Terminals Always On -

 

 

 

Stick position when using three-

Single-Phase Power Connection

1

2

phase generator (see Section

7-3).

Single-Phase Generator Power

Three-Phase Power Connection

Y Close panel opening if no connections are made to generator.

AC

Single

Three

Phase

Phase

Output

 

1

3

Volts

120/240

240

 

 

 

Amps

50

36

KVA/KW

12

15

Frequency

60 Hz

Engine Speed

1850 RPM

 

 

 

Lead 42 connects to GROUND stud on front of unit.

Jumper 42 is connected to 90 at factory.

93

1120/240 V 50 A Receptacle RC5

RC5 is connected to the optional three-phase generator and supplies 60 Hz single-phase power at weld/ power speed. Maximum output from RC5 is 12 kVA/kW. Power available at RC5 is reduced when welding.

2 Supplementary Protector CB7

Supplementary Protector CB7 pro- tects single-phase receptacle RC5 and the load wires from overload. If CB7 opens, all generator output stops and the receptacle does not work.

Three-Phase Generator Power

YStop engine.

YPower and weld outputs are live at the same time. Discon- nect or insulate unused cables.

.Have qualified person install ac-

cording to circuit diagram and Generator Power Guidelines (see Section 12).

Remove generator power panel mounting screws. Tilt panel forward.

Remove plug before inserting leads. Reinstall bushing.

5

Rear Of Panel

913 Lead 93

4 Lead 92

 

90

5

Lead 91

 

 

 

92

6

Lead 42 (Circuit Grounding

4

 

Lead)

 

 

 

 

7

Lead 90 (Neutral)

6

7

9

8

91

92

93

240V

120V

1-Phase

120V

 

 

240V

240V

3-Phase

 

240V

3

2

12

10

11

Y Close panel opening if no connections are made to generator.

Tools Needed:

8Isolated Neutral Terminal

9Jumper Lead 42

10Grounding Terminal

Jumper 42 is connected to lead 90 at factory. Jumper 42 may be discon- nected from neutral to meet applica- ble electrical codes.

Lead 42 connects to front panel Ground stud.

11User-Supplied Leads

12Supplementary Protector CB7 User Terminals

Connect user-supplied leads to ter- minals on CB7 and to the isolated neutral terminal and grounding termi- nal as necessary.

.Supplementary protector CB7

protects single-phase receptacle RC5 and the load wires from overload. If CB7 opens, all gener- ator output stops and the recep- tacle does not work.

Reinstall generator power panel.

Ref. 197 399 / 802 332-E / 803 655

OM-4421 Page 35

Page 40 Page 42
Page 41
Image 41
Miller Electric Big Blue 400P, Big Blue 500 X Single-Phase Generator Power Three-Phase Power Connection, Rear Of Panel
Page 40 Page 42

Big Blue 500 X, Big Blue 400P specifications

Miller Electric has long been a trusted name in the welding industry, and their generators, particularly the Big Blue 400P and Big Blue 500 X, stand out for their performance, reliability, and innovative technologies. These portable diesel welding generators cater to a wide range of applications, from construction sites to industrial fabrication.

The Big Blue 400P is designed for heavy-duty utilization, offering a powerful output of 400 amps at a duty cycle of 60%. It features a dependable Kohler engine that not only provides ample power but also contributes to its efficient fuel consumption, making it an economical choice for extended work sessions. The Big Blue 400P comes equipped with Auto-Stop technology, which automatically turns off the machine when not in use, conserving fuel and extending engine life. This feature showcases Miller's commitment to user-friendly designs that enhance both efficiency and sustainability.

On the other hand, the Big Blue 500 X takes performance up a notch with an impressive 500 amps output and a 60% duty cycle. It is powered by a high-efficiency Yanmar engine that ensures top-notch performance even in the most demanding conditions. This generator is equipped with Miller's X-CASE design, which features a rugged weather-resistant enclosure that protects internal components from harsh environmental conditions, ensuring durability and extended lifespan.

Both machines integrate advanced technologies such as Smart Tech, which optimizes the generator's output based on the specific demands of the welding process. This technology helps maintain a stable arc, enhancing welding quality and consistency. Additionally, both models feature the Auto Remote Start, allowing for quick operations without manual intervention, further advancing ease of use.

The versatility of the Big Blue 400P and 500 X is evident in their ability to perform a variety of welding processes, including Stick, MIG, and TIG. They are equipped with multiple outputs, allowing simultaneous powering of tools and auxiliary equipment, making them indispensable for professionals who need adaptability on the job.

Overall, the Miller Electric Big Blue 400P and 500 X embody the quality, performance, and innovative technologies that Miller Electric is known for. Their robust capabilities, coupled with user-friendly features, make these generators ideal for demanding applications in various industries, ensuring that welders can achieve excellent results, no matter the challenges faced on site.
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