Fujitsu ASU18RLQ Service Manual

CONTENTS
1. SPECIFICATION
ASU15/18RLQ, AOU15/18RLQ.......................................................................................
2. DIMENSIONS
ASU15/18RLQ, AOU15/18RLQ......................................................................................
3. REFRIGERANT SYSTEM DIAGRAM
ASU15/18RLQ, AOU15/18RLQ......................................................................................
4. CIRCUIT DIAGRAM
ASU15/18RLQ, AOU15/18RLQ.......................................................................................
5. DESCRIPTION OF EACH CONTROL OPERATION
1. COOLING OPERATION..............................................................................................
3. DRY OPERATION......................................................................................................
2. HEATING OPERATION..............................................................................................
5. INDOOR FAN CONTROL...........................................................................................
4. AUTO CHANGEOVER OPERATION.........................................................................
7. LOUVER CONTROL...................................................................................................
6. OUTDOOR FAN CONTROL.......................................................................................
9. TIMER OPERATION CONTROL................................................................................
8. COMPRESSOR CONTROL........................................................................................
11. TEST OPERATION CONTROL..................................................................................
10. ELECTRONIC EXPANSION VALVE CONTROL........................................................
13. FOUR-WAY VALVE EXTENSION SELECT...............................................................
12. PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )................................
15. MANUAL AUTO OPERATION ( Indoor unit body operation ).....................................
14. AUTO RESTART........................................................................................................
16. FORCED COOLING OPERATION............................................................................
18. COIL DRY OPEARTION CONTROL..........................................................................
17. COMPRESSOR PREHEATING..................................................................................
19. DEFROST OPERATION CONTROL..........................................................................
21. VARIOUS PROTECTIONS.........................................................................................
20. OFF DEFROST OPERATION CONTROL..................................................................
01-01
02-01
03-01
04-01
05-01
05-02
05-03
05-04
05-05
05-07
05-08
05-09
05-10
05-12
05-12
05-12
05-12
05-13
05-13
05-13
05-13
05-14
05-16
05-17
05-12

Fujitsu ASU18RLQ Specifications

General

Brand	Fujitsu
Model	ASU18RLQ
Category	Air Conditioner
Language	English