Table Of Contents - Fujitsu ARA12LATN Service Instruction

1. SPECIFICATIONS
SPECIFICATIONS.......................................................................................................... 01-01
2. DIMENSIONS
DIMENSIONS.................................................................................................................. 02-01
3. REFRIGERANT SYSTEM DIAGRAM
REFRIGERANT CIRCUIT............................................................................................... 03-01
4. CIRCUIT DIAGRAM
CIRCUIT DIAGRAM........................................................................................................ 04-01
5. DESCRIPTION OF EACH CONTROL OPERATION
5-1 COOLING OPERATION............................................................................................
5-1-1 COOLING CAPACITY CONTROL......................................................................
5-2 HEATING OPERATION............................................................................................. 05-02
5-2-1 HEATING CAPACITY CONTROL......................................................................
5-3 DRY OPERATION...................................................................................................... 05-03
5-3-1 INDOOR UNIT CONTROL.................................................................................
5-4 AUTO CHANGEOVER OPERATION........................................................................
5-5 INDOOR FAN CONTROL.........................................................................................
5-6 OUTDOOR FAN CONTROL......................................................................................
5-7 COMPRESSOR CONTROL...................................................................................... 05-10
5-8 TIMER OPERATION CONTROL............................................................................... 05-11
5-9 ELECTRONIC EXPANSION VALVE CONTROL.................................................... 05-13
5-10 TEST OPERATION CONTROL............................................................................... 05-13
5-11 PREVENT TO START FOR 3 MINUTES (3 MINUTES ST).................................... 05-13
5-12 4-WAY VALVE EXTENSION SELECT.................................................................... 05-14
5-13 AUTO RESTART..................................................................................................... 05-14
5-14 PUMP DOWN (For AR*30/ 36/ 45LUAN/ 45/ 54LUAK).......................................... 05-14
5-15 COMPRESSOR PREHEATING............................................................................... 05-14
5-16 FRESH AIR CONTROL........................................................................................... 05-15
5-17 EXTERNAL ELECTRICAL HEATER CONTROL.................................................... 05-15
5-18 DEFROST OPERATION CONTROL....................................................................... 05-16
5-19 OFF DEFROST OPERATION CONTROL............................................................... 05-18
5-20 ECONOMY OPERATION......................................................................................... 05-19
5-21 VARIOUS PROTECTIONS...................................................................................... 05-20
5-22 FORCED COOLING OPERATION.......................................................................... 05-22
5-23 COMPRESSOR STOP CONTROL.......................................................................... 05-22
CONTENTS
05-01
05-01
05-02
05-03
05-04
05-05
05-08