Logitech OB450 REVISED EDITION-B User Manual

SERVICE MANUAL

CONTENTS

1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 4
4. OUTLINES AND DIMENSIONS ························ 6
5. WIRING DIAGRAM ············································ 8
6. REFRIGERANT SYSTEM DIAGRAM ··············· 9
7. SERVICE FUNCTIONS ··································· 10
8. TROUBLESHOOTING ······································11

9. DISASSEMBLY INSTRUCTIONS ···················· 25
10. PARTS LIST ····················································· 30
10-1. PARTS LIST ············································ 30
10-2. RoHS PARTS LIST ································· 36
11. MICROPROCESSOR CONTROL ···················· 42

Wireless type

Models

No. OB450

REVISED EDITION-C

MSZ-A09/12/15/17NA
MSY-A15/17NA

INDOOR UNIT

Outdoor unit service manual

MUZ-A·NA Series (OB451)

MXZ-A·NA Series (OB444)

NOTE:

RoHS compliant products have <G> mark on the spec name plate.

For servicing of RoHS compliant products, refer to the PARTS

LIST (RoHS compliant).

Revision C:

• SPECIFICATION has been corrected.

Please void OB450 REVISED EDITION-B.

MSZ-A09NA

MSZ-A24NA

MSZ-A09NA -

MSZ-A24NA -

MSZ-A12NA

MSY-A15NA

MSZ-A12NA -

MSY-A15NA -

MSZ-A15NA

MSY-A17NA

MSZ-A15NA -

MSY-A17NA -

MSZ-A17NA

MSY-A24NA

MSZ-A17NA -

MSY-A24NA -