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SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 2
3. SPECIFICATION ················································ 3
4. NOISE CRITERIA CURVES ······························ 7
5. OUTLINES AND DIMENSIONS ························ 8
6. WIRING DIAGRAM ···········································11
7. REFRIGERANT SYSTEM DIAGRAM ············· 13
8. DATA ································································ 19
9. ACTUATOR CONTROL ··································· 37
10. SERVICE FUNCTIONS ···································· 37
11. TROUBLESHOOTING ····································· 39
12. DISASSEMBLY INSTRUCTIONS ···················· 57
INDOOR UNITS COMBINATION SHEETS
No. OBH560
REVISED EDITION-C
The Slim Line.
From Mitsubishi Electric.
TM
OUTDOOR UNIT
MXZ-2B20NA, -
1
MXZ-3B24NA
MXZ-3B30NA
MXZ-4B36NA
MXZ-2B20NA
Indoor unit service manual
MSZ-A·NA Series (OB450)
MSZ-FD·NA Series (OBH497)
MSZ-FE·NA Series (OBH542)
MSZ-GE·NA Series (OBH548)
MFZ-KA·NA Series(OBH568)
SEZ-KD·NA.TH Series
SPLIT-TYPE AIR CONDITIONERS
HFC
utilized
R410A
33223
9700058
Revision C:
• MXZ-3B30NA has been added.
Please void OBH560
REVISED EDITION-B.
PARTS CATALOG (OBB560)