User Manual of A90 Series Inverter 5. No direct sunlight. 6. There should be no flammable or corrosive gas and liquid. 7. There should be no dust, oily dust, floating fibers or metal particles. 8. The installation foundation should be secured and vibration-free. 9. Avoid electromagnetic interference and keep the controller away from interference sources. 2.3.2 Environment temperature well-ventilated place. When it is used in a closed cabinet, a cooling fan or cooling air In order to improve the operational reliability, please install the inverter in a conditioner should be installed to keep the ambient temperature below 50°C.
2.3.3 Preventive measures Take protective measures to the inverter during installation to prevent metal fragments or dust generated in drilling and other processes from falling into the inverter. Remove the protection after installation. 2.4 Installation Direction and Space The A90-4T4R2B inverters and above are equipped with a cooling fan for forced air cooling. To ensure good cyclic cooling effects, the inverter must be installed in a vertical direction, and sufficient spaces must be reserved between the inverter and adjacent objects or baffles (walls). Refer to Fig. 2-2. 25