Fujitsu ASTG30KMTC Service Manual page 130

4. CONTROL AND FUNCTIONS
1. Compressor frequency control..................................................................04-1
1-1. Cooling operation ...........................................................................................................04-1
1-2. Heating operation ...........................................................................................................04-2
1-3. Dry operation ..................................................................................................................04-3
1-4. Compressor frequency at normal start-up ......................................................................04-3
2. Auto changeover operation........................................................................04-6
3. Fan control...................................................................................................04-8
3-1. Indoor fan control............................................................................................................04-8
3-2. Outdoor fan control.......................................................................................................04-11
4. Louver control ...........................................................................................04-13
4-1. Vertical airflow direction louver control .........................................................................04-13
4-2. Horizontal airflow direction louver control .....................................................................04-13
4-3. Swing operation............................................................................................................04-14
5. Timer operation control ............................................................................04-15
5-1. Wireless remote control ................................................................................................04-15
6. Defrost operation control .........................................................................04-17
6-1. Defrost operation in heating operation stopped ............................................................04-19
7. Various control ..........................................................................................04-20
7-1. Auto restart ...................................................................................................................04-20
7-2. Test operation control...................................................................................................04-20
7-3. MANUAL AUTO operation............................................................................................04-20
7-4. Forced cooling operation ..............................................................................................04-21
7-5. 10 °C HEAT operation ..................................................................................................04-21
7-6. ECONOMY operation ...................................................................................................04-21
7-7. POWERFUL operation .................................................................................................04-21
7-8. Compressor preheating ................................................................................................04-22
7-9. Electronic expansion valve control ...............................................................................04-22
7-10. Prevention to restart for 3 minutes (3 minutes st) .......................................................04-22
7-11. 4-way valve control.....................................................................................................04-23
7-12. Demand response operation ......................................................................................04-23
7-13. Human sensor for energy saving................................................................................04-24
7-14. Peak cut operation (for 34 model) ..............................................................................04-25
7-15. Outdoor unit low noise operation (for 34 model) .........................................................04-25
8. Various protections...................................................................................04-26
8-1. Discharge gas temperature over-rise prevention control ..............................................04-26
8-2. Anti-freezing control (cooling and dry mode) ................................................................04-26
8-3. Current release control .................................................................................................04-26
8-4. Cooling pressure over-rise protection ...........................................................................04-27
8-5. Compressor temperature protection .............................................................................04-28
8-6. High pressure protection ..............................................................................................04-28
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