Mitsubishi Electric FR-A741-5.5K Installation Manualline page 8

INSTALLATION OF THE INVERTER AND INSTRUCTIONS
1.3 General Precaution
The bus capacitor discharge time is 10 minutes. Before starting wiring or inspection, switch power off, wait for more than
10 minutes, and check for residual voltage between terminal P/+ and N/− with a meter etc., to avoid a hazard of electrical
shock.
1.4 Environment
Before installation, check that the environment meets following specifications.
Ambient temperature
Ambient humidity
Atmosphere
Maximum altitude
Vibration
CAUTION
Install the inverter on a strong surface securely and vertically with bolts.
Leave enough clearances and take cooling measures.
Avoid places where the inverter is subjected to direct sunlight, high temperature and high humidity.
Install the inverter on a non-combustible surface.
2
−10°C to +50°C (non-freezing)
90 % RH or less (non-condensing)
Free from corrosive and explosive gases, free from dust and dirt
Maximum 1000 m above sea level
5.9m/s² or less