14(a) Zone registration using the remote controller(Determination of central address)z In this case, after confi rming which indoor unit is connected to theremote controller and that the air conditioner in the OFF state, youset the central addresses one at a time.z If the system has no remote controller, connect a remote controllerto the system temporarily. Then follow this procedure.NOTEThe indoor unit address must already have been set before performingzone registration. If necessary, refer to the Installation Manual suppliedwith the outdoor unit.(1) Press the and buttons at the same time of the remotecontroller for more than 4 seconds.(2) Do not press button.(3) Once in this mode, the UNIT No., CODE No., No. of SET DATA andindications will fl ash on the display as shown Fig. 7.NOTEIn case of group control “ALL” instead of “UNIT No.” will fl ash on thedisplay. Select the main indoor unit address by pressing thebutton once.(4) Set CODE No. to 03 using the and ( ) buttons.NOTEThe CODE No. 03 must be selected to perform zone registration usingthe remote controller.(5) Set the Central address which you want to assign to the indoor unitaddress using the and ( ) buttons according to the zoneregistration table.(6) Press the button. The CODE No. and Central address changesfrom fl ashing to ON state. If you make mistake, then press thebutton and reset the central address.(7) Press the button to finish zone registration.Fig. 7For example, in this caseIndoor unit address: 1-8Central address : 17 (ZONE 2, GROUP 1)Fig. 8