Si-71ADrawings & Flow Charts v'UDZLQJV#)#)ORZ#&KDUWV'UDZLQJV#)#)ORZ#&KDUWV'UDZLQJV#)#)ORZ#&KDUWV'UDZLQJV#)#)ORZ#&KDUWV1XPHULFV4-way Valve Control ...............................................65$Actuation of Safety Device ...................................108After Setting ...........................................................27&Centralized Group No. Settingby Remote Controller. .....................................29Compressor Shutdown Operation ..........................65Cooling Start Control ..............................................67'DefrostingControl .............................................................73Defrost complete condition ..............................73Heating total capacity ......................................72Temperature conditions ...................................73DIP Switch and BS Detail ......................................42Discharge Pipe Temperature Malfunction ............112(Emergency Operation ............................................66Example of Remote Controller Display ..................44)Failure of Capacity Setting ...................................105Failure of Field Setting Switch .............................123Failure of Indoor Unit PC Board ...........................101Fan Control ............................................................69Fan Start Control in Heating Operation ..................70Fault Diagnosis by Wireless Remote Controller .....94Field SettingWired Remote Controller .................................19Wireless Remote Controller .............................20Freeze Prevention Control .............................. 63, 68Function DetailsDraft Avoidance Control 1 ...............................62Draft Avoidance Control 2 ...............................63Thermostat Control ..........................................62Function OutlineFH(Y)C, FH(Y), FAY, FUY ...............................46FH(Y)K, FH(Y)B, FHY~F, FVY~L ....................47Outdoor unit .....................................................48*Group No. Setting Example ...................................29+High Pressure Protection Controlin Cooling Operation .......................................67High Pressure Protection Controlin Heating Operation .......................................70High Pressure System (HPS) Malfunction ...........109How to Handle Request for Maintenance ............. 80,Indoor Unit Fan Motor Lock ................................. 103/Lack of Gas Malfunction ...................................... 117Low Pressure System (LPS) Malfunction ............ 1100MAIN/SUB CHANGEOVER SWITCH ................... 28Main/Sub SettingWhen Using 2 Remote Controllers ................ 28MAIN/SUB Switch (SS1) ....................................... 25Maintenance Inspections ...................................... 77Malfunction of Discharge PipeTemperature Sensor System ....................... 115Malfunction of Drain Water Level System(Float Type) .................................................. 102Malfunction of Electronic Expansion Valve ......... 111Malfunction of Heat ExchangeTemperature Sensor System ....................... 106Malfunction of Heat ExchangerTemperature Sensor System ....................... 116Malfunction of High Pressure Switch .................. 113Malfunction of OutdoorTemperature Sensor System ....................... 114Malfunction of Suction AirTemperature Sensor System ....................... 107Malfunction of Transmission(Between Indoor and Outdoor Unit)Troubleshooting 1 ......................................... 119Troubleshooting 2 ......................................... 120Malfunction of Transmission (BetweenIndoor Unit and Remote Controller) ............. 121Method of switching in time of emergency ............ 43Multiple Settings .................................................... 271No. of Connected Twin System Indoor Units ........ 242Operation Flowchart (RY71 - 140K)Cooling/Program Dry Operation ..................... 49Heating ........................................................... 51Outdoor Unit Fan Control (Heating OverloadFrosting Prevention Control) .......................... 71Outdoor Unit Switches / Setting JumperRY100·125K ................................................... 40RY140K .......................................................... 415Refrigerant Saturation Curve ................................ 79Removal of 4-Way Valve and Coil ...................... 187Removal of Air Filter ............................ 130, 153, 163