12 English1. When using 1 remote controller for 1 indoor unit.(Normal operation)L1 L2IN/D OUT/DF 1 F 2 F 1 F 2Control boxL1 L 2 P1 P2P1 P2F1 F2 T1 T2Outdoor unitIndoor unitPower supply208-230V60HzRemote controller2. When using 2 remote controllers for 1 indoor unit.IN/D OUT/DF 1 F 2 F 1 F 2Control boxP1 P2 F1 F2 T1 T2P1 P2P1 P2Outdoor unitFor use with 2 remote controllersPower supply208-230V60HzL1 L2Indoor unitL1 L2NOTE1. All transmission wires except for remote controller wire arepolarized and must match the terminal symbol.2. A single switch can be used to supply power to units on thesame system. However, branch switches and branch circuitbreakers must be selected carefully.3. Do not ground the equipment on gas pipes, water pipes orlightning rods, or crossground with telephones. Impropergrounding could result in electric shock.ATTACHING THE SUCTION GRILLE,10.THE DECORATION PANELS AND THEPROTECTION NETOnce wiring is complete, firmly attach the control box lid, thesuction grille, the decoration panels and the protection net in theorder opposite to detachment.Attaching the protection net•Attach the protection net from the way of the hook (i), fi x 2securing screws of the middle of the other side fi rst (ii), thenfi x the remaining securing screws (iii).DecorationpanelProtection net(ii)(ii)(i)(i)HookHook(ii)Fig. 29Protection netsecuring screws (M4)(iii)FIELD SETTING11.Make sure the control box lids are closed on the indoor andoutdoor units, and turn on the power.Field setting must be made from the remote controller inaccordance with the installation manual.Setting can be made by changing the “Mode No.”, “FIRST•CODE NO.”, and “SECOND CODE NO.”.For setting and operation, refer to the “FIELD SETTING” in•the installation manual of the remote controller.Setting air filter sign11-1Remote controllers are equiped with liquid crystal display air•fi ler signs to display the time to clean air fi lters.Change the SECOND CODE NO. according to “Table 5”•depending on the amount of dirt or dust in the room.(SECOND CODE NO. is factory set to “01” for air filter con-tamination-light.)Table 5SettingSpacing time ofdisplay air fi lter sign(long life type)ModeNo.FIRSTCODENO.SECONDCODENO.Air fi lter contamina-tion-light Approx. 2500 hrs10 (20) 001Air fi lter contamina-tion-heavy Approx. 1250 hrs 02When using wireless remote controllers, wireless remote•controller address setting is necessary. Refer to the instal-lation manual attached to the wireless remote controller forsetting instructions.