Chapter 1 IntroductionVFD-EL-W
10
Mount the AC motor drive vertically on a flat vertical surface with screws. Other mounting directions
are not allowed.
The AC motor drive generates heat during operation. Allow sufficient space around the unit for heat
dissipation. When you install the AC motor drive in a confined space (for example a cabinet), the
surrounding temperature must be meet specifications of operation (as shown in chapter 1.2.1) with
good ventilation. DO NOT install the AC motor drive in a space with poor ventilation.
The heat sink temperature may rise to 90°C when running. The metallic material on which the AC
motor drive is mounted must be noncombustible, be excellent at thermal dissipation and be able to
withstand this high temperature.
When installing multiple AC motor drives in the same cabinet, mount them in a row with enough
space between for ventilation. When installing one AC motor drive below another one, use a metal
separator between the AC motor drives to prevent mutual heating.
NOTE:
1. Prevent fiber particles, scraps of paper, shredded wood, sawdust, metal particles, etc. from
adhering to the heat sink.
2. Install the AC motor drive in a metal cabinet to prevent the risk of fire accident.
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