Mitsubishi Electric FREQROL HC Instruction Manual page 23

Transistorized inverter
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Bolt the unit securely and vertically.
Install the high power factor converter on a surface
securely
and
vertically
FREQROL are located at the front) with screws or
bolts.
Note: Horizontal or side installation may cause the
high power factor converter to fail. Always
install the unit vertically.
Located at front
Install the inverter where it is not subjected to
vibration.
Also take the vibration of a trolley, press, etc. into
consideration.
(so
that
the
letters
- 14 -
Install the unit on a non-combustible surface.
Install the high power factor converter on a non-
combustible. If it is installed directly on or near a
combustible, a fire may take place.
Avoid places where the equipment is subjected to
oil mist, flammable gases, fluff, dust, dirt, etc.
Install the unit in a clean place or inside an
"enclosure" which does not accept any suspended
matter.
Avoid high temperature and high humidity.
Avoid direct sunlight, heat and humidity.

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