SiBE121135iii Table of Contents1.8 Automatic Operation...............................................................................861.9 Thermostat Control.................................................................................871.10 NIGHT SET Mode ..................................................................................891.11 ECONO Operation .................................................................................901.12 HOME LEAVE Operation .......................................................................911.13 INTELLIGENT EYE Operation ...............................................................921.14 2-Area INTELLIGENT EYE Operation ...................................................931.15 Inverter POWERFUL Operation .............................................................951.16 Multi-Colored Indicator Lamp / TIMER Lamp .........................................951.17 Other Functions......................................................................................972. Indoor Unit Control (SA Models) ...........................................................992.1 Drain Pump Control................................................................................992.2 Thermostat Sensor in Remote Controller.............................................1012.3 Freeze Prevention Control ...................................................................1032.4 Hot Start Control (In Heating Operation Only)......................................1043. Function of Thermistor ........................................................................1054. Control Specification ...........................................................................1074.1 Mode Hierarchy ....................................................................................1074.2 Frequency Control................................................................................1084.3 Controls at Mode Changing / Start-up..................................................1114.4 Discharge Pipe Temperature Control...................................................1124.5 Input Current Control............................................................................1134.6 Freeze-up Protection Control ...............................................................1134.7 Heating Peak-cut Control .....................................................................1144.8 Outdoor Fan Control.............................................................................1154.9 Liquid Compression Protection Function..............................................1154.10 Defrost Control .....................................................................................1164.11 Low Hz High Pressure Limit .................................................................1174.12 Outdoor Electronic Expansion Valve Control .......................................1174.13 Malfunctions .........................................................................................122Part 5 Operation Manual ........................................................... 1241. System Configuration..........................................................................1252. RA Indoor Unit.....................................................................................1262.1 FTXG, FTXS-K, CTXS, FVXG Series - ARC466A1, A2, A6 ................1262.2 FTXS-J, FTXS-G, FVXS Series - ARC452A1, A3................................1782.3 FLXS, FDXS Series - ARC433B67, B69 ..............................................2183. SA Indoor Unit.....................................................................................2333.1 BRC1D528 ...........................................................................................233Part 6 Service Diagnosis........................................................... 2481. Troubleshooting with LED ...................................................................2501.1 Indoor Unit............................................................................................2501.2 Outdoor Unit .........................................................................................2522. Problem Symptoms and Measures .....................................................2533. Service Check Function ......................................................................2543.1 RA Indoor Unit - FTXG, FTXS, CTXS, FVXG, FVXS, FLXS,FDXS Series.........................................................................................2543.2 SA Indoor Unit - FCQG, FFQ, FHQ, FDBQ, FBQ Series .....................2634. Code Indication on Remote Controller ................................................267
