English 1CONTENTSILLUSTRATION................................................... [1]1. WHAT TO DO BEFORE OPERATION .......... 12. SAFETY PRECAUTIONS .............................. 23. OPERATION RANGE .................................... 54. INSTALLATION SITE .................................... 55. OPERATION PROCEDURE .......................... 56. OPERATION CHARACTERISTICS ............... 67. OPTIMUM OPERATION ................................ 88. MAINTENANCE(FOR SERVICE PERSONNEL) ..................... 89. NOT A MALFUNCTION OF THE AIRCONDITIONER ............................................ 1110. TROUBLE SHOOTING ................................ 13The English text is the original instruction. Other lan-guages are translations of the original instructions.Important information regarding the refrig-erant usedThis product contains fluorinated greenhouse gasescovered by the Kyoto Protocol.Refrigerant type:R410AGWP(1)value: 1975(1)GWP = global warming potentialPeriodical inspections for refrigerant leaks may berequired depending on European or local legislation.Please contact your local dealer for more informa-tion.This 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.1. WHAT TO DO BEFORE OPERA-TIONIndoor unitOutdoor unitUnit withremotecontrollerUnit without remotecontroller(When used assimultaneousoperation 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 OPER-ATION modes.• Cooling only typeThis system provides COOLING, PROGRAMDRY, and FAN OPERATION modes.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.• Please do not change the combination and set-tings for the group operation and two remote con-troller control systems by yourself, but be sure toask your dealer.