5.6 Hardwire Installation The hardwire installation needs to be done by electricians, and please strictly follow the safety precautions. Remove the four screws on the back cover with a Phillips screwdriver. (See Fig. 5.6.1) 1. Fig. 5.6.1 2. Remove the three screws with flat-blade screwdriver and take off the cable wire from the terminal block. (See Fig. 5.6.2) L1 L2 PE Fig. 5.6.2 22