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CONTENTS

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

1-5. Compressor frequency limitation 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. Vertical airflow direction louver control .........................................................................04-13

4-2. Adjust the horizontal louver ..........................................................................................04-13

4-3. Swing operation............................................................................................................04-13

5. Timer operation control ............................................................................04-14

5-1. Wireless remote control................................................................................................04-14

5-2. Wired remote control ....................................................................................................04-16

6. Defrost operation control .........................................................................04-19

6-1. Defrost operation in heating operation stopped ............................................................04-20

7. Various control..........................................................................................04-21

7-1. Auto restart...................................................................................................................04-21

7-2. MANUAL AUTO operation............................................................................................04-21

7-3. Forced cooling operation ..............................................................................................04-22

7-4. 10 °C HEAT operation..................................................................................................04-22

7-5. ECONOMY operation ...................................................................................................04-23

7-6. POWERFUL operation ................................................................................................04-23

7-7. Compressor preheating ................................................................................................04-23

7-8. Electronic expansion valve control ...............................................................................04-24

7-9. Prevention to restart for 3 minutes (3 minutes st) .........................................................04-24

7-10. 4-way valve control.....................................................................................................04-24

7-11. Outdoor unit low noise operation ................................................................................04-24

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. Low outdoor temperature protection.............................................................................04-26

8-6. High temperature and high pressure release control....................................................04-27

Fujitsu AOUG12LMAS1 User Manual

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