6 InstallationInstaller reference guide20RZAG71~140L7V1BSplit system air conditioners4P418663-1 – 2016.02a ba Strip wire end to this pointb Excessive strip length may cause electrical shock orleakage.3 Connect the interconnection cable and power supply as follows:1~ 50 Hz220-240 Vbae2e1cda Interconnection cableb Power supply cablec Earth leakage circuit breakerd Fusee1 Main user interfacee2 Optional user interfaceabccdefa Switch boxb Stop valve attachment platec Earthd Cable tiee Interconnection cablef Power supply cable4 Fix the cables (power supply and interconnection cable) with acable tie to the stop valve attachment plate.5 Route the wiring through the frame and connect it to it.Routing throughthe frameChoose one of the 3 possibilities:ababab231a Power supply cableb Interconnection cableConnecting to theframeWhen cables are routed from the unit, aprotection sleeve for the conduits (PGinsertions) can be inserted at the knockouthole.When you do not use a wire conduit,protect the wires with vinyl tubes toprevent the edge of the knockout hole fromcutting the wires.a b c d eA BA Inside of the outdoor unitB Outside of the outdoor unita Wireb Bushc Nutd Framee Hose6 Reattach the service cover. See "6.8.2 To close the outdoorunit" on page 20.7 Connect an earth leakage circuit breaker and fuse to the powersupply line.6.8 Finishing the outdoor unitinstallation6.8.1 To finish the outdoor unit installation1 Insulate and fix the refrigerant piping and interconnection cableas follows:fbaedca Gas pipeb Gas pipe insulationc Interconnection cabled Liquid pipee Liquid pipe insulationf Finishing tape2 Install the service cover.6.8.2 To close the outdoor unitNOTICEWhen closing the outdoor unit cover, make sure that thetightening torque does NOT exceed 4.1 N•m.