What are the environmental specifications for operating the inverter?

The inverter must be used under the following environment: surrounding air temperature of -10°C to +50°C (non-freezing), ambient humidity of 90%RH or less (non-condensing), indoors free from corrosive gas, flammable gas, oil mist, dust and dirt, at altitudes not exceeding 1,000m above sea level, and with vibration of 5.9m/s² or less at 10 to 55Hz. (Page 4)