CONTENTS
4. CONTROL AND FUNCTIONS
1. Rotation number control of compressor...................................................04-1
1-1. Cooling operation ...........................................................................................................04-1
1-2. Heating operation ...........................................................................................................04-2
1-3. Dry operation..................................................................................................................04-3
1-4. Rotation number of compressor at normal start-up ........................................................04-3
1-5. Limitation of compressor rotation number by outdoor temperature.................................04-4
2. Auto changeover operation........................................................................04-5
3. Fan control...................................................................................................04-7
3-1. Indoor fan control............................................................................................................04-7
3-2. Outdoor fan control.......................................................................................................04-11
4. Louver control ...........................................................................................04-13
4-1. Horizontal louver control...............................................................................................04-13
4-2. Adjust the horizontal louver ..........................................................................................04-13
4-3. Swing operation............................................................................................................04-14
5. Timer operation control ............................................................................04-15
5-1. Wireless remote control................................................................................................04-15
5-2. Wired remote control ....................................................................................................04-16
6. Defrost operation control .........................................................................04-17
6-1. Defrost operation in heating operation stopped ............................................................04-18
7. Various control..........................................................................................04-19
7-1. Auto restart...................................................................................................................04-19
7-2. MANUAL AUTO operation............................................................................................04-19
7-3. Forced cooling operation ..............................................................................................04-20
7-4. MIN. HEAT operation ...................................................................................................04-20
7-5. ECONOMY operation ...................................................................................................04-20
7-6. POWERFUL operation .................................................................................................04-21
7-7. Fresh air control............................................................................................................04-21
7-8. Compressor preheating ................................................................................................04-21
7-9. External electrical heater control ..................................................................................04-21
7-10. Electronic expansion valve control .............................................................................04-22
7-11. Prevention to restart for 3 minutes (3 minutes st) .......................................................04-22
7-12. 4-way valve control.....................................................................................................04-22
7-13. Unit status monitoring and the detected value indication ...........................................04-23
8. Various protections...................................................................................04-25
8-1. Discharge gas temperature over-rise prevention control ..............................................04-25
8-2. Anti-freezing control (cooling and dry mode) ................................................................04-25
8-3. Current release control .................................................................................................04-26
8-4. Cooling pressure over-rise protection...........................................................................04-26
8-5. Compressor temperature protection ............................................................................04-26
8-6. High pressure protection ..............................................................................................04-26
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