Installation procedures20ELECTRICAL REQUIREMENTElectric wire size and fuse capacity:Table 5Connectioncord(mm2)Fuse capacity(A)MAXMIN3.5 3.52.5 2.520 30ELECTRICAL WIRING1. INDOOR UNIT SIDE(1) Remove the electric component box.Fig. 26CAUTION(1) Match the terminal block numbers and connectioncord colors with those of the outdoor unit.Erroneous wiring may cause burning of the electricparts.(2) Connect the connection cords firmly to the terminalblock. Imperfect installation may cause a fire.(3) Always fasten the outside covering of the connectioncord with the cord clamp.(If the insulator is chafed,electric leakage may occur.)(4) Always connect the ground wire.Electric component boxFig. 27Electric component boxRemove the four tappingscrews.CAUTIONDo not remove the screws. If the screwsare removed, the electric componentbox will fall.(2) Pull out the electric component box.Fig.28(3) Remove the electric component box cover.Fig. 29BaseElectric component box coverRemove the three tapping screws.(1) Remove the cord clamp.(2) Process the end of the connection cords to thedimensions shown in Fig.34.(3) Connect the end of the connection cord fully into theterminal block.(4) WiringFig. 30 Indoor unittermianl blockOutdoor unittermianl block(4) Fasten the connection cord with a cord clamp.(5) Fasten the end of the connection cord with thescrew.Electric component boxCAUTIONBe careful not to pinch the lead wiresbetween the electric component boxand base.1 2 31 2 3L Nto power supply