Table Of Contents - Fujitsu AO G12KATA Series Service Instruction

1. 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 ..................................................................................................................04-5
1-4. Compressor frequency at normal start-up ......................................................................04-6
1-5. Compressor frequency limitation by outdoor temperature ..............................................04-7
2. Auto changeover operation........................................................................04-9
3. Fan control.................................................................................................04-11
3-1. Indoor fan control..........................................................................................................04-11
3-2. Outdoor fan control.......................................................................................................04-14
4. Louver control ...........................................................................................04-19
4-1. Individual louver control ................................................................................................04-19
4-2. All louver control ...........................................................................................................04-19
4-3. Swing operation............................................................................................................04-20
5. Timer operation control ............................................................................04-21
5-1. Wireless remote control ................................................................................................04-21
5-2. Wired remote control ....................................................................................................04-23
6. Defrost operation control .........................................................................04-26
6-1. Defrost operation in heating operation stopped ............................................................04-27
7. Various control ..........................................................................................04-28
7-1. Auto restart ...................................................................................................................04-28
7-2. 10 °C HEAT operation ..................................................................................................04-28
7-3. ECONOMY operation ...................................................................................................04-28
7-4. POWERFUL operation .................................................................................................04-29
7-5. Fresh air control............................................................................................................04-29
7-6. Compressor preheating ................................................................................................04-29
7-7. External electrical heater control ..................................................................................04-30
7-8. Electronic expansion valve control ...............................................................................04-30
7-9. Drain pump control .......................................................................................................04-31
7-10. Prevention to restart for 3 minutes (3 minutes st) .......................................................04-32
7-11. 4-way valve control.....................................................................................................04-32
8. Various protections...................................................................................04-33
8-1. Discharge gas temperature over-rise prevention control ..............................................04-33
8-2. Anti-freezing control (cooling and dry mode) ................................................................04-33
8-3. Current release control .................................................................................................04-34
8-4. Indoor unit fan motor over temperature protection........................................................04-35
8-5. Compressor temperature protection ............................................................................04-36
8-6. High pressure protection ..............................................................................................04-36
8-7. Low outdoor temperature protection.............................................................................04-36
8-8. High temperature and high pressure release control ....................................................04-37
CONTENTS