10
CONNECTION
Welding Source Switch Box
Be sure to observe the following in order to avoid a burn or an accident resulting in injury
or death.
Prior to connection work, be sure to turn off the switch of the switch box and make
sure or safety.
Do not touch with a wet hand.
Electrical connection work and grounding work should be carried out by a qualified .
In order to prevent a fire or burn-out of the device due to overheat of the cable or to prevent
generation of unstable arc。
Use the cable of the specified thickness or more. (Refer to page 10)
Do not place a heavy substance on the cable or bring it into contact with a weld Zone.
Tighten securely a cable joint.
This machine has input power frequency select switch. Please confirm the correct
position of the switch. (Refer to pages 27,28 and 30.)
When a frequency changes depending on where you use the welding source, switch to
an adequate frequency.
Welding Torch
Base Metal
Safety Warning
① Loose the left and right
screws to remove the cover.
⑤Connect input cables(3 of them) to
the switch with fuse or no-fuse
breaker (or leakage breaker).
② Connect the input
cables (3 of them) to
the input terminals.
3-phase rated
input voltage
③Tape around any exposed
conductive sections which
may come into contact with
other parts
Welding Power Source
Switch
Box
Cover
Input
⑥Ground with cable
④Attach the cover
Caution
Содержание YD-500KR
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