English 1CONTENTSILLUSTRATION ................................................... [1]1. WHAT TO DO BEFORE OPERATION .......... 12. SAFETY CONSIDERATIONS........................ 23. OPERATION RANGE .................................... 34. INSTALLATION SITE .................................... 45. OPERATION PROCEDURE .......................... 46. OPTIMUM OPERATION ................................ 57. MAINTENANCE(FOR SERVICE PERSONNEL) ..................... 68. NOT MALFUNCTION OF THE AIRCONDITIONER .............................................. 79. TROUBLE SHOOTING .................................. 8This 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• Read the operation manual that came with theremote controller you are using.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.• Cooling only typeThis system provides cooling, program dry, andfan operation modes.1. WHAT TO DO BEFORE OPERA-TIONIndoor 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 indoorunits.All indoor units are equally set.• Two remote controllers control systemTwo remote controllers control one indoor unit (Incase of group control system, one group of indoorunits)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 on page [1]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.kGround wireWire to ground from the outdoor unit to pre-vent electrical shocks.