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3. Installation
3.1 Installation
3.1.1 Cautions before installation
Failure to following recommendation may result in VFD damage, Personal Injury, or Fire.
Be sure to install the unit on flame resistant material such as metal.
Be sure not to place anything flammable such as corrosive gas, explosive gas,
inflammable gas, grinding fluid mist, salt in the vicinity
Do not carry the unit by the top cover, but always by supporting the base of the unit
Be sure not to let foreign matter enter such as cut wire refuse, spatter from welding, iron
refuse, wire, dust, etc.
Be sure to install the VFD in a place which can support the weight according to the
specification in the manual.
Be sure to install the unit on a perpendicular wall which is not subject to vibration.
Be sure not to install and operate a damaged VFD or one with the missed parts
Be sure to install the unit in an area which is not exposed to direct sunlight and well
ventilated. Avoid an environment which tends to be high in temperature, high in humidity
or to have condensation.
Air Flow
Note1)
Note1)
Note2) Note2)
VFD
It is critical to mount the VFD to the proper surface in order to prevent any possible risk of
fire. The temperature of the VFD heatsink can rise very high. The surface must be made of a
non-flammable material (i.e. steel). Attention should also be made to the air gap surrounding
the VFD. Especially, when there is a heat source such as a braking resistor or reactor.
Note1)
10cm or more for 5.5kW to 55kW VFD
30cm or more for 75kW to 132kW VFD
50cm or more for 160kW to 375kW VFD
Note2)
More than 5cm for all capacity VFD
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