Fujitsu AOYG09KHCAN - 4. Control and Functions

CONTENTS
4. CONTROL AND FUNCTIONS
1. Compressor frequency control..................................................................04-1
1-1. Cooling operation ...........................................................................................................04-1
1-2. Heating operation ...........................................................................................................04-3
1-3. Dry operation..................................................................................................................04-4
1-4. Compressor frequency at normal start-up ......................................................................04-4
1-5. Compressor frequency limitation by outdoor temperature ..............................................04-5
2. Auto changeover operation........................................................................04-6
3. Fan control...................................................................................................04-8
3-1. Indoor fan control............................................................................................................04-8
3-2. Outdoor fan control.......................................................................................................04-12
4. Louver control ...........................................................................................04-15
4-1. Vertical airflow direction louver control .........................................................................04-15
4-2. Horizontal airflow direction louver control ....................................................................04-15
4-3. Swing operation............................................................................................................04-16
5. Timer operation control ............................................................................04-17
5-1. Wireless remote control................................................................................................04-17
5-2. Wired remote control ....................................................................................................04-19
6. Defrost operation control .........................................................................04-22
6-1. Defrost operation in heating operation stopped ............................................................04-23
7. Various control..........................................................................................04-24
7-1. Auto restart...................................................................................................................04-24
7-2. MANUAL AUTO operation............................................................................................04-24
7-3. Forced cooling operation ..............................................................................................04-25
7-4. 10 °C HEAT operation..................................................................................................04-25
7-5. ECONOMY operation ...................................................................................................04-26
7-6. POWERFUL operation ................................................................................................04-26
7-7. Compressor preheating ................................................................................................04-26
7-8. Electronic expansion valve control ...............................................................................04-27
7-9. Prevention to restart for 3 minutes (3 minutes st) .........................................................04-27
7-10. 4-way valve control.....................................................................................................04-27
7-11. Human sensor for energy saving................................................................................04-28
8. Various protections...................................................................................04-29
8-1. Discharge gas temperature over-rise prevention control ..............................................04-29
8-2. Anti-freezing control (cooling and dry mode) ................................................................04-29
8-3. Current release control .................................................................................................04-30
8-4. Cooling pressure over-rise protection...........................................................................04-30
8-5. Compressor temperature protection ............................................................................04-31
8-6. High pressure protection ..............................................................................................04-31
8-7. Low outdoor temperature protection.............................................................................04-31
8-8. High temperature and high pressure release control....................................................04-31