NF HVA4321, Instruction Manual

Page: 29 / 152

2.3 Grounding and power supply connection
HVA4321
2-5
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If the ground pole is not available in the adjacent area
If the power cable cannot be grounded because the ground pole is not available at
the power outlet, be sure to ground the casing ground terminal at the back with a
wire of 2 mm
2
or more.
Figure2-5. Casing ground terminal
Be sure to ground this unit for safety. Otherwise, a serious accident such as electric shock may occur.
The standard power cable accompanied has rated voltage of AC125V and rated current
of 10A. When a power cable not accompanied is used, be careful for the rated voltage
and current.
When a fuse is replaced, be sure to disconnect the power cable from the outlet. Replace it with the same
standard one.
For this product, the time lag type fuse with the rating of 10A/250V and
φ 2 x 20 mm is used.
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CAUTION
WARNING
WARNING
筐体接地端子
Casing ground terminal