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2.1 Installation
INSTALLATION AND WIRING
3
2.1.1 Instructions for installation
1) Handle the unit carefully.
The inverter uses plastic parts. Handle it gently to protect it from damage. Also, hold the unit with even
strength and do not apply too much strength to the front cover alone.
2) Install the inverter where it is not subjected to vibration.
Note the vibration of a cart, press, etc.
3) Note on ambient temperature
The inverter life is under great influence of ambient temperature. In the place of installation, ambient
temperature must be within the permissible range (-10°C to +40°C (14°F to 104°F) ). Check that the
ambient temperature is within that range in the positions shown in figure 3).
*For FR-A540L-375/450K at constant torque (CT) rating maximum ambient temperature can be 50°C
(122°F).
4) Install the inverter on a non-combustible surface.
The inverter will be very hot (maximum. about 150°C (302°F) ). Install it on a non-combustible surface (e.g.
metal). Also leave sufficient clearances around the inverter.
5) Avoid high temperature and high humidity.
Avoid places where the inverter is subjected to direct sunlight, high temperature and high humidity.
Note: The cooling section outside the enclosure has the cooling fan. Do not use the inverter in any
environment where it is exposed to waterdrops, oil mist, dust, etc.
6) Avoid places where the inverter is exposed to oil mist, flammable gases, fluff, dust, dirt, etc.
Install the inverter in a clean place or inside a "totally enclosed" panel which does not accept any
suspended matter.
7) Note the cooling method when the inverter is installed in an enclosure.
When an inverter is mounted in an enclosure, the ventilation fans of the inverter and enclosure must be
carefully positioned to keep the ambient temperature of the inverter below the permissible value. If they are
installed in improper positions, the rise in ambient temperature will result in reduced performance of the
inverter.
8) Secure the inverter vertically, with bolts.
Install the inverter on an installation surface securely and vertically with screws or bolts.