[. . . ] Do no use pipes with smaller diameter, avoid using angled pipes, make sure that the pipes are at least of the minimum length. Comply with the current regulations on air discharge into the atmosphere. [. . . ] 3) Align the holes of the brackets with the holes of the screw anchors and screw the screws in. 4) Make sure that the anchoring points are adequately resistant for the load of the equipment. 5) Install (using 4 screws supplied) the pipe fitting provided (see fig. 4) above the hood motor in order to connect the fume outlet pipe of the hood to the external extraction unit. - Do not use pipes with diameter smaller than 150mm, avoid using angled pipes, make sure that the pipes are at least of the minimum length. - Make sure that the direction of the air inlet and outlet is as indicated on the arrow on the equipment label. The equipment must be used exclusively with the 4-speed electronic control panel installed on the hood. 6) Connect the 6-pole connector C1 of the equipment to connector C2 of the electronic control panel of the hood. First make sure that the conveyor that is normally installed on the hood has been removed and disconnected from the power supply line and from the 4-speed electronic control panel. 7) Connect the appliance to the power supply in compliance with the relevant regulations. [. . . ] The equipment must be used exclusively with the 4-speed electronic control panel installed on the hood. 10) Connect the 6-pole connector C1 of the equipment to connector C2 of the electronic control panel of the hood. [. . . ]