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CONTENTS

1. SPECIFICATIONS

1. DESCRIPTION OF EACH CONTROL OPERATION

1-1 SYSTEM OUTLINE

1-5 AUTO CHANGEOVER OPERATION........................................................................

1-6 INDOOR FAN CONTROL.........................................................................................

1-7 OUTDOOR FAN CONTROL......................................................................................

1-8 COMPRESSOR CONTROL......................................................................................

01-01

1-3 HEATING OPERATION.............................................................................................

01-03

1-4 DRY OPERATION......................................................................................................

01-04

01-05

01-07

01-10

01-11

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

1-20 VARIOUS PROTECTIONS......................................................................................

01-18

1-21 COMPRESSOR STOP CONTROL..........................................................................

01-22

1-23 LOW NOISE OPERATION ......................................................................................

01-23

1-19 OFF DEFROST OPERATION CONTROL...............................................................

01-17

1-18 DEFROST OPERATION CONTROL.......................................................................

01-15

1-17 ECONOMY OPERATION........................................................................................

01-14

1-22 AUTOMATIC AIRFLOW ADJUSTMENT..................................................................

01-22

1-24 DRAIN PUMP OPERATION ( OPTION ) .................................................................

01-24

1-25 PEAK CUT OPERATION ..........................................................................................

01-25

2-1 ERROR DISPLAY......................................................................................................

2. TROUBLE SHOOTING

2-2 TROUBLE SHOOTING WITH ERROR CODE

..........................................................

2-3 TROUBLE SHOOTING WITH NO ERROR CODE

....................................................

2-4 SERVICE PARTS INFORMATION

............................................................................

02-01

02-39

02-03

02-44

1-26 DESCRIPTION OF DISPLAY UNIT .........................................................................

01-26

1-2 COOLING OPERATION............................................................................................ 01-02

...................................................................................................

Brand	Fujitsu
Model	ARYG72LHTA
Category	Air Conditioner
Language	English

Fujitsu ARYG72LHTA Service Instruction

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