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Checking and Controlling the Installation Site<br />
Install the Inverter in the installation site described below and maintain optimum conditions.<br />
Installation Site<br />
Install the Inverter under the following conditions in a pollution degree 2 environment.<br />
Table 1.3 Installation Site<br />
Type Ambient Operating Temperature Humidity<br />
Enclosed wall-mounted<br />
(NEMA1)<br />
-10 to + 40 °C 95% RH or less (no condensation)<br />
Open chassis and IEC IP20 -10 to + 45 °C 95% RH or less (no condensation)<br />
Protection covers are attached to the top and bottom of the Inverter. Be sure to remove the protection covers<br />
before installing a 200 or 400 V Class Inverter with an output of 18.5 kW or less in a panel.<br />
Observe the following precautions when mounting the Inverter.<br />
• Install the Inverter in a clean location which is free from oil mist and dust. It can be installed in a totally<br />
enclosed panel that is completely shielded from floating dust.<br />
• When installing or operating the Inverter, always take special care so that metal powder, oil, water, or<br />
other foreign matter does not get into the Inverter.<br />
• Do not install the Inverter on combustible material, such as wood.<br />
• Install the Inverter in a location free from radioactive materials and combustible materials.<br />
• Install the Inverter in a location free from harmful gasses and liquids.<br />
• Install the Inverter in a location without excessive oscillation.<br />
• Install the Inverter in a location free from chlorides.<br />
• Install the Inverter in a location not in direct sunlight.<br />
Controlling the Ambient Temperature<br />
To enhance the reliability of operation, the Inverter should be installed in an environment free from extreme<br />
temperature increases. If the Inverter is installed in an enclosed environment, such as a box, use a cooling fan<br />
or air conditioner to maintain the internal air temperature below 45°C.<br />
Protecting the Inverter from Foreign Matter<br />
Place a cover over the Inverter during installation to shield it from metal power produced by drilling.<br />
Always remove the cover from the Inverter after completing installation. Otherwise, ventilation will be<br />
reduced, causing the Inverter to overheat.<br />
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