12 English8-3 CONNECTION OF WIRING• Perform wiring connections after completion of refrigerant piping work.• Check that all the power supply lines are shut off.• Loosen the two screws of the EL. COMPO. BOX, remove the lid, and connect each wire as shown in Fig. 6.• When all the wiring work is completed, attach and secure the lid of the EL. COMPO. BOX.• Power supply wiring and Ground wireConnect the power supply wires to terminals L and N of the power supply terminal block (X1M).Connect the ground wire to the ground terminal. At that time, pull the power supply wires into the equipmentalong with the ground wire through the wiring through hole, and bundle and fix the wires securely with theaccessory clamp (1).ClaspClaspClaspGround terminalEL. COMPO.BOX lidIndoor unitinter-unit wiringPower supply wiringPower supplywiringGroundwireGround wireClamp (1)(accessory)Clamp (1)(accessory)Clamp (1)(accessory)Outdoor unitinter-unit wiringArrow viewClamp (1)(accessory)ClaspHighvoltageLowvoltagePower supply wiringTransmission wiring (Indoor unit inter-unit wiring)Transmission wiring (Outdoor unit inter-unit wiring)Ground wireFig. 6Clamp (1)Clasp ClaspIndoor unitinter-unit wiring Outdoor unitinter-unit wiring(accessory)Clamp (1)(accessory)TO IN/DUNITF1 F2 F1 F2 X1ATO OUT/DUNITL N