Table Of Contents - Fujitsu ARYG72LHTA Service Instruction

1. SPECIFICATIONS
1. DESCRIPTION OF EACH CONTROL OPERATION
1-1 SYSTEM OUTLINE
1-2 COOLING OPERATION............................................................................................ 01-02
1-3 HEATING OPERATION............................................................................................. 01-03
1-4 DRY OPERATION...................................................................................................... 01-04
1-5 AUTO CHANGEOVER OPERATION........................................................................
1-6 INDOOR FAN CONTROL.........................................................................................
1-7 OUTDOOR FAN CONTROL......................................................................................
1-8 COMPRESSOR CONTROL......................................................................................
1-9 ELECTRONIC EXPANSION VALVE CONTROL...................................................... 01-12
1-10 TEST OPERATION CONTROL............................................................................... 01-12
1-11 PREVENT TO START FOR 3 MINUTES (3 MINUTES ST).................................... 01-12
1-12 4-WAY VALVE EXTENSION SELECT.................................................................... 01-12
1-13 AUTO RESTART..................................................................................................... 01-12
1-14 PUMP DOWN.......................................................................................................... 01-13
1-15 COMPRESSOR PREHEATING............................................................................... 01-14
1-16 10°C HEAT OPERATION ............. .............................................................................. 01-14
1-17 ECONOMY OPERATION........................................................................................ 01-14
1-18 DEFROST OPERATION CONTROL....................................................................... 01-15
1-19 OFF DEFROST OPERATION CONTROL............................................................... 01-17
1-20 VARIOUS PROTECTIONS...................................................................................... 01-18
1-21 COMPRESSOR STOP CONTROL.......................................................................... 01-22
1-22 AUTOMATIC AIRFLOW ADJUSTMENT .................................................................. 01-22
1-23 LOW NOISE OPERATION ...................................................................................... 01-23
1-24 DRAIN PUMP OPERATION ( OPTION ) ................................................................. 01-24
1-25 PEAK CUT OPERATION .......................................................................................... 0 1-25
1-26 DESCRIPTION OF DISPLAY UNIT ......................................................................... 01-26
2. TROUBLE SHOOTING
2-1 ERROR DISPLAY......................................................................................................
2-2 TROUBLE SHOOTING WITH ERROR CODE ..........................................................
2-3 TROUBLE SHOOTING WITH NO ERROR CODE ....................................................
2-4 SERVICE PARTS INFORMATION ............................................................................
CONTENTS
................................................................................................... 01-01
01-05
01-07
01-10
01-11
02-01
02-03
02-39
02-44