Fujitsu ASU18RLF Service Manual

CONTENTS
1. DESCRIPTION OF EACH CONTROL OPERATION
1. CAPACITY CONTROL................................................................................................
3. INDOOR FAN CONTROL...........................................................................................
2. AUTO CHANGEOVER OPERATION..........................................................................
5. OUTDOOR FAN CONTROL.......................................................................................
4. LOUVER CONTROL...................................................................................................
6. COMPRESSOR CONTROL.......................................................................................
7. TIMER OPERATION CONTROL................................................................................
9. TEST OPERATION CONTROL..................................................................................
8. ELECTRONIC EXPANSION VALVE CONTROL........................................................
11. 4-WAY VALVE EXTENSION SELECT.......................................................................
10. PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )................................
13. MANUAL AUTO OPERATION...................................................................................
12. AUTO RESTART........................................................................................................
22. FRESH AIR CONTROL ( FOR AU type )....................................................................
21. BASE HEATER OPERATION ( FOR AOU36RLXFZH ).............................................
14. COMPRESSOR PREHEATING..................................................................................
24. DRAIN PUMP OPERATION ( For AU / AR type ).......................................................
23. EXTERNAL ELECTRICAL HEATER CONTROL ( FOR AR type ).............................
26. DEFROST OPERATION CONTROL..........................................................................
25. AIR OUTLET SELECTION ( DAMPER CONTROL ) ( FOR AG type )........................
27. CHECK RUN OPERATION ( AUTOMATIC WIRING CORRECTION )......................
28. VARIOUS PROTECTIONS.........................................................................................
01-01
01-01
01-03
01-11
01-15
01-15
01-16
01-19
01-19
01-20
01-20
01-21
01-21
01-22
01-22
01-22
01-23
01-23
01-23
01-24
01-25
01-26
01-28
01-32
01-21
01-21
01-19
01-19
18. HEAT INSULATION CONDITION ( BUILDING INSULATION )..................................
20. THERMO CONTROL ( FOR WIREDE REMOTE SENSOR ).....................................
19. THERMO CONTROL ( FOR INDOOR UNIT SENSOR )............................................
2-1-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY....................
2-1-3 CENTRAL REMOTE CONTROLLER DISPLAY.................................................
2-1-2 SIMPLE REMOTE CONTROLLER DISPLAY....................................................
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
02-01
02-03
02-03
02-03
02-05
02-40
02-49
2-1-4 OUTDOOR UNIT DISPLAY................................................................................
15. POWERFUL OPERATION ( FOR ASU*RLF1 / AGU*RLF type )................................
17. ECONOMY OPERATION...........................................................................................
16. MINIMUM HEAT OPERATION...................................................................................
29. PUMP DOWN OPERATION.......................................................................................
30. TEST RUN ( OUTDOOR UNIT ).................................................................................
01-34
01-35

Fujitsu ASU18RLF Specifications

General

Brand	Fujitsu
Model	ASU18RLF
Category	Air Conditioner
Language	English