Installation Environment - Omron SYSDRIVE RX Series User Manual

2-1 Installation

Installation Environment

•Increased ambient temperatures will shorten the life of the Inverter.
•Keep the Inverter away from heating elements (such as a braking resistor, DC reactor, etc.).
If the Inverter is installed in an enclosure, keep the ambient temperature within the range of the
specifications, taking dimensions and ventilation into consideration.
2
5 cm min.
•When several 3G3RX models are installed in an enclosure and a ventilation fan is mounted in the
enclosure, be careful about the layout of the Inverters and the air intake apertures.
Depending on the internal layout of the panel, the Inverter's cooling effect may deteriorate,
resulting in an increase in ambient temperature.
Also, use thorough caution in making sure that the Inverter's ambient temperature is within the
allowable operating temperature range.
•Before installing the Inverter, place a cover over all the ventilation openings to shield them from
foreign objects.
After completing the installation process, be sure to remove the covers from the Inverter before
operation.
•Below is the heat radiation according to the Inverter capacity.
Inverter capacity (kw)
Load with 70% loss (W)
Load with 100% loss (W)
Efficiency at rated output (%)
Inverter capacity (kw)
Load with 70% loss (W)
Load with 100% loss (W)
Efficiency at rated output (%)
2-3
*1
Inverter
5 cm min.
*2
Ventilation fan
Inverter
(Correct example)
0.4 0.75
64
70
85.1 89.5
22
820 1100
1150 1550
95.0 95.0
Airflow
Wall
Inverter
(Incorrect example)
1.5 2.2 3.7
76 102 127 179
88 125 160 235
92.3 93.2 94.0
30 37 45 55
1345 1625 1975
1900 2300 2800
95.1 95.1 95.1
Save enough space to prevent the upper
and lower wiring ducts from blocking
cooling airflow.
*1 10 cm min.
*2 10 cm min.
Note that replacing the smoothing capacitor
requires 22 cm or more.
Ventilation fan
5.5 7.5 11 15
242 312 435 575
325 425 600 800
94.4 94.6 94.8 94.9
75 90 110 132
2675 3375 3900 4670
3800 4800 5550 6650
95.2 95.2 95.2 95.2
18.5
698
975
95.0