1 EnglishCONTENTSILLUSTRATIONS ................................................ [1]1. WHAT TO DO BEFORE OPERATION ........... 12. SAFETY CONSIDERATIONS......................... 13. OPERATION RANGE ..................................... 34. INSTALLATION SITE...................................... 35. NAME AND FUNCTION OF EACH SWITCHAND DISPLAY ON THE REMOTECONTROLLER ............................................... 46. OPERATION PROCEDURE ........................... 57. OPTIMUM OPERATION ................................. 78. MAINTENANCE(FOR SERVICE PERSONNEL) ...................... 79. NOT MALFUNCTION OF THE AIRCONDITIONER............................................... 910. TROUBLE SHOOTING................................. 10This operation manual is for the following systemswith standard control. Before initiating operation,contact your Daikin dealer for the operation that cor-responds to your system.NOTE• If the unit you purchased is controlled by a wire-less remote controller, also refer to the wirelessremote controller’s operation manual.If your installation has a customized control system,ask your Daikin dealer for the operation that corre-sponds to your system.• Heat pump typeThis system provides cooling, heating, automatic,program dry, and fan operation modes.1. WHAT TO DO BEFOREOPERATIONIndoor unitOutdoor unitUnit withremotecontrollerUnit without romotecontroller(When used assimultaneousoperation system)PRECAUTIONS FOR GROUP CONTROLSYSTEM OR TWO REMOTE CONTROLLERCONTROL SYSTEMThis system provides two other control systemsbeside individual control (one remote controller con-trols one indoor unit) system. Confirm the following ifyour unit is of the following control system type.• Group control systemOne remote controller controls up to 16 indoor units.All indoor units are equally set.• Two remote controller control systemTwo remote controllers control one indoor unit (In caseof group control system, one group of indoor units)The unit is individually operated.NOTE• Contact your Daikin dealer in case of changingthe combination or setting of group control andtwo remote controller control systems.Refer to figure 2 on page [1]We recommend that you read this instruction man-ual carefully before use to gain full advantage of thefunction of the air conditioner, and to avoid malfunc-tion due to mishandling.This air conditioner comes under the term “appli-ances not accessible to the general public”.• The precautions described below are WARN-ING and CAUTION. These are very importantprecautions concerning safety. Be sure toobserve all of them without fail.Names and functions of partsa Indoor unitb Outdoor unitc Remote controllerd Inlet aire Discharged airf Air outletg Air flow flap (at air outlet)h Refrigerant piping, connection electric wirei Drain pipej Air inletThe built-in air filter removes dust and dirt.kDrain pumping out device(built-in)Drains water removed from the room duringcooling.lGround wireWire to ground from the outdoor unit to pre-vent electrical shocks.2. SAFETY CONSIDERATIONS