Installation for 380v separate inverter, the host is installed in the machine, the multi-speed controller panel is installed in the room to control the communication cable. So be sure that the heatsink is to install in ventilated place. Don’t touch with wet curtain, otherwise there is a danger of fire.What's more, the host of 380v separate inverter must be installed in the machine, which has the ability for anti- vibration. And hanging plate need to be screwed to the wall, you can hang up the touch panel, or when the touch panel fall into the floor, it will cause damage.The button display panel and communication lines required when installing the machine and through walls, be sure to be careful not to pull it, otherwise it will lead to breakage or poor contact. Do not enter the power cord to the output U, V, and W terminals, otherwise it will lead to permanent damage to the controller. Before connecting the wire, make sure to cut off the input power, otherwise it will lead to permanent damage to the controller. Do not touch the heat sink and power terminals, there is risk of electric shock .The output rated power is 2.2KW inverter, do not overload use. Make sure the insulation of the motor, especially in the harsh environment, to prevent damage to equipment. At an altitude of over 1000 meters in the area, it is necessary to be derated.