English 42. WHAT TO DO BEFOREOPERATIONThis 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.A= Pair system or simultaneous operation systemB= Multi system1= Unit with remote controller2= Unit without remote controller (when used as simultaneousoperation)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 ONLYOPERATION modes.A12OUTDOOR INDOORBOUTDOOR INDOOR11• 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)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.