Fujitsu AOU18RLXFZH 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...................................................................................................
7. COMPRESSOR CONTROL.......................................................................................
6. 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..............................................................................................
14. COMPRESSOR PREHEATING...........................
.......................................................
24.
DRAIN PUMP OPERATION.......................................................................................
23. EXTERNAL ELECTRICAL HEATER CONTROL.......................................................
25. DEFROST OPERATION CONTROL..........................................................................
26. VARIOUS PROTECTIONS...............
..........................................................................
01-01
01-01
01-03
01-10
01-14
01-15
01-18
01-19
01-19
01-19
01-19
01-20
01-21
01-23
21. BASE HEATER OPERATION..................................................................................... 01-23
01-23
01-24
01-25
01-27
18.
HEAT INSULATION ( BUILDING INSULATION ).......................................................
19. THERMO CONTROL ( FOR INDOOR UNIT SENSOR ).............................................
20. THERMO CONTROL ( FOR WIRED REMOTE SENSOR )........................................
01-22
01-22
01-22
01-20
2-1-2 WIRED REMOTE CONTROLLER DISPLAY......................................................
2-1-1 INDOOR UNIT 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
02-02
2-1-3 OUTDOOR UNIT DISPLAY.................................................................................
02-03
02-35
02-04
02-44
15. POWERFUL OPE
RATION.......................................................................................... 01-21
17. ECONOMY OPERATION........................................................................................... 01-21
16. MINIMUM HEAT OPERATION................................................................................... 01-21

Fujitsu AOU18RLXFZH Specifications

General

Brand	Fujitsu
Model	AOU18RLXFZH
Category	Air Conditioner
Language	English