10
for every additional 1 . ℃ Additionally, the inverter can not be used if the ambient
temperature is above 50℃.
Note: for the cabinet inverter, the ambient temperature means the air temperature inside
the cabinet.
2. Check that the ambient temperature of the inverter in actual usage is above -10℃. If not,
add heating facilities.
Note: for the cabinet inverter, the ambient temperature means the air temperature inside
the cabinet.
3. Check that the altitude of the actual usage site is below 1000m. If exceeds, derate1% for
every additional 100m.
4. Check that the humidity of the actual usage site is below 90% and condensation is not
allowed. If not, add additional protection inverters.
5. Check that the actual usage site is away from direct sunlight and foreign objects can not
enter the inverter. If not, add additional protective measures.
6. Check that there is no conductive dust or flammable gas in the actual usage site. If not,
add additional protection to inverters.
2.5 Installation confirmation
Check as followings after the installation:
1. Check that the input and output cables meet the need of actual load.
2. Check that the accessories of the inverter are correctly and properly installed. The
installation cables should meet the needs of every component (including reactors, input
filters, output reactors, output filters, DC reactors, braking units and braking resistors).
3. Check that the inverter is installed on non-flammable materials and the calorific
accessories (reactors and braking resistors) are away from flammable materials.
4. Check that all control cables and power cables are run separately and the routation
complies with EMC requirement.
5. Check that all grounding systems are properly grounded according to the requirements
of the inverter.
6. Check that the free space during installation is sufficient according to the instructions in
user’s manual.
7. Check that the installation conforms to the instructions in user’s manual. The drive must
be installed in an upright position.
8. Check that the external connection terminals are tightly fastened and the torque is
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