Delta 1.07 VFD-D D User Manual download pdf (Page 11)

Chapter 1 Introduction |DD Series

1-5

CAUTION!

1. Mount the AC motor drive vertically on a flat vertical surface by using bolts or screws. Other

directions are not allowed.

2. The AC motor drive will generate heat during operation. Allow sufficient space around the unit

for heat dissipation. When the AC motor drive is installed in a confined space (e.g. cabinet),

the surrounding temperature must be with good ventilation. DO NOT install the AC motor drive

in a space with bad ventilation.

3. The heat sink temperature may rise to 90°C when running. The material on which the AC

motor drive is mounted must be noncombustible and be able to withstand this high

temperature.

4. When installing multiple AC motor drives in the same cabinet, they should be adjacent in a row

with enough space in-between. When installing one AC motor drive below another one, use a

metal separation barrier between the AC motor drives to prevent mutual heating.

NOTE

Prevent fiber particles, scraps of paper, saw dust, metal particles, etc. from adhering to the heatsink.

It is strongly recommend to mount the AC motor drive to inflammable materials such as metal for

fire prevention.

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Delta 1.07 VFD-D D User Manual Page 11