16
6.
Connection
6.1
Output side connection
Open the terminal cover at the bottom of the front panel to
access the terminals and connector.
(Loosen the bolt to open the cover.)
Note
After completion of connecting base metal cable and
torch cable, insulate the cable connections with insulation
tape.
6.1.1
Connecting cable from base metal
Connect cable from the base metal to the base metal ter-
minal (-) with the attached M8 bolt.
After connection, insulate the cable connections with
insulation tape.
●
About base metal cable (Customer preparation)
• Use a cable of 35 mm
2
(70 mm
2
for 500GL 4) or
more for welding or a specified tough rubber sheath
cable (excluding vyniletype)
• Make sure to use one whose cross section and length
conform to the applied connecting cable.
(See section “About connecting cable”.)
• Make sure to attach the proper clamp terminal.
Important
●
The installation shall be done by qualified installation personnel and should conform to all national and
local codes.
●
Type and capacity of protection devices, such as breaker and fuse, to be applied should conform to all
national and local codes.
●
Type and size of cables to be applied should conform to all national and local codes.
WARNING
Touching current carrying parts may cause a fatal accident like an electric
shock, burn injury and so on.
To prevent physical accidents like an electric
shock, burn injury and so on, make sure to observe the followings.
●
Make sure to turn off the switches of this product and the distribution box before starting connections.
●
Do not perform any connection work with wet hands.
●
Make sure to insulate all bare current-carrying parts like joints and so on by tape, etc.
●
Do not apply undue force to the cables and wires.
●
Avoid contact with the welding arc part at wiring.
●
For safety reasons, provide base material with grounding work. Wiring and grounding work should be
done by qualified electricians.
CAUTION
Observe the followings to prevent a fire caused by overheat of cables.
●
Use cables with specified size or larger.
●
Fasten all cable connections securely.
Connect base metal cable
Base metal
terminal (-)
Connection
Summary of Contents for YD-350GL4
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Page 53: ...Circuit diagram 49 13 1 Circuit diagram for 500GL4 100V 100V Optional parts 300 248 ...