Models
SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES· ·································· 2
2. PART NAMES AND FUNCTIONS ····················· 6
3. INDOOR UNITS COMBINATION ······················ 7
4. SPECIFICATION ·············································· 43
5. NOISE CRITERIA CURVES ···························· 46
6. OUTLINES AND DIMENSIONS ······················ 47
7. WIRING DIAGRAM ·········································· 52
8. REFRIGERANT SYSTEM DIAGRAM ············· 58
9. DATA ································································ 64
10. ACTUATOR CONTROL ··································· 80
11. SERVICE FUNCTIONS ···································· 80
12. TROUBLESHOOTING ····································· 82
13. DISASSEMBLY INSTRUCTIONS ·················· 100
14. PARTS LIST ····················································112
15. RoHS PARTS LIST ········································ 120
16. OPTIONAL PARTS ········································ 136
No. OB444
REVISED EDITION-G
The Slim Line.
From Mitsubishi Electric.
TM
OUTDOOR UNIT
MXZ-2A20NA
MXZ-2A20NA -
1
MXZ-2A20NA -
2
MXZ-3A30NA
MXZ-3A30NA -
1
MXZ-4A36NA
NOTE:
• This service manual describes technical
data of the outdoor units.
• RoHS compliant products have <G> mark
on the spec name plate.
For servicing of RoHS compliant products,
refer to the RoHS Parts List.
MXZ-2A20NA
MXZ-2A20NA -
1
Indoor unit service manual
MSZ-A·NA Series (OB450)
SEZ-KD·NA.TH Series
Revision G:
• SPECIFICATION, NOISE CRITERIA CURVES
and OPTIONAL PARTS have been modified.
Please void OB444 REVISED EDITION-F.
SPLIT-TYPE AIR CONDITIONERS
HFC
utilized
R410A
33223
9700058
To Next Page
Need help?
General
