English 4NOTE• Read the operation manual attached to theremote controller you are using.When using a wireless remote controller, refer to theoperation manual attached to the wireless remotecontroller kit.If your installation has a customized control system,ask your local dealer for the operation thatcorresponds to your system.• Heat pump typeThis system provides COOLING, HEATING,AUTOMATIC, PROGRAM DRY, and FAN ONLYOPERATION modes.• Cooling only typeThis system provides COOLING, PROGRAMDRY, and FAN OPERATION modes.PRECAUTIONS FOR GROUP CONTROLSYSTEM OR TWO REMOTE CONTROLLERSCONTROL SYSTEMThis system provides two other control systemsbeside individual control (one remote controllercontrols one indoor unit) system. Confirm thefollowing if your unit is the following control systemtype.• 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).A Pair system or simultaneous operation systemB Multi system1 Unit with remote controller2 Unit without remote controller (when used as simulta-neous operation)BOUTDOOR INDOOR11NOTE• Contact your local dealer in case of changing thecombination or setting of group control and tworemote controllers control systems.• Please do not change the combination andsettings for the group operation and two remotecontrollers control systems by yourself, but besure to ask your local dealer.Names and functions of parts1 Indoor unit2 Outdoor unita Air dischargeb Horizontal blade (inside air outlet)cSuction grille(Refer to "MAINTENANCE (FOR SERVICEPERSONNEL)" on page 8)dAir filter (inside suction grille)(Refer to "MAINTENANCE (FOR SERVICEPERSONNEL)" on page 8)eAir outlet identification mark( )Use this mark as a reference for setting the airflowdirection.(only for BRC1E53)fRemote controller (optional part)The remote controller may not be neededdepending on the system configuration.g Drain pipinghDraining device (built-in)It drains moisture in the room removed during thecooling operation.iRefrigerant piping; Transmission wiring;Earth wiring (Note)(Note) It is a wiring to let electricity flow from theindoor unit to the earth for prevention ofelectric shocks or a fire in case ofemergency.jEarth wireWire to ground from the outdoor unit to prevent elec-trical shocks and fire.d ce hja21gbaaaaif, , ,