126. How to perform zone registrationTo operate the system controller properly, zone registration is required afterfi nishing the test run (and after setting all indoor unit addresses) using one of thefollowing methods.(a) Zone registration using the remote controllerRefer to page 14(b) Zone registration using the system controllerRefer to page 15(c) Automatic zone registration using the system controllerRefer to page 16For methods (a) and (b), you should make a zone registration table manuallybefore performing the registration as shown on the page 13.For method (c), zone registration is executed automatically, proceeding fromsmall indoor unit address and small central addresses to larger numbers innumerical order. For example:Central address 1 2 3 4 5 6ZONE-group 1-1 1-2 1-3 1-4 1-5 1-6Indoor unit address 1-1 1-2 2-1 2-2 2-3 3-1NOTE 1. An indoor unit address is assigned to each indoor unit during automaticaddress operation. Each indoor unit address combines an R.C. address andindoor unit number as follows:1 1 : Indoor unit address (UNIT No.)Indoor unit No.Refrigerant circuit No. (R.C. address)This address is displayed on remote controller for UNIT No. when the UNITbutton is pressed.2. The central address represents the zone and group number. Theseaddressed are assigned in ascending numerical order.