Hitbox ARC160D, Operation Instruction Manual, Page: 10 / 20

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11. INSTALLATION, DEBUGGING AND OPERATION
Note: Please install the machine strictly according to the following steps.
Turn off the power supply switch before any electric connection operation.
The housing protection grade of this machine is IP21S, so do not use it in rain.
Please DO NOT use this machine for thawing frozen pipes.
11.1
Connection of switching box
Figure 2-1
1. Power switch of the switching box
2. Fuse (
≥
60A)
3. Input power cord of the welding machine
4. Yellow-green earth wire (earth, not connect to the null
line)
Connect according to the figure on the left or in other
correct ways. Cut off the main power before connection.
Note: No operation with power on.

Ask professional electrician to do the connection.

Do not connect two welding machines to the same
switching box.

Please install leakage protector when using the machine
in damp working place, on steel tower or on steel plate.
11.2 Installation