Table of Contents
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OUTDOOR UNIT
SERVICE MANUAL
Models
MXZ-3E54VA
MXZ-3E68VA
MXZ-4E72VA
MXZ-4E83VA
MXZ-5E102VA
MXZ-2E53VAHZ
MXZ-4E83VAHZ
MXZ-4E83VA
MXZ-5E102VA
MXZ-2E53VAHZ
NOTE:
RoHS compliant products have <G> mark
on the spec name plate.
-
E1
ET1
ER1
,
,
-
E1
ET1
ER1
,
,
-
E1
ET1
ER1
,
,
-
E1
E2
E3
ET1
ET2
,
,
,
,
-
E1
E2
E3
ET1
,
,
,
,
-
E1
ER1
,
-
E1
E2
ER1
ER2
,
,
,
Revision D:
• MXZ-4E83VA-
,
,
E3
ET3
ER2
have been added.
OBH723 REVISED EDITION-C is void.
HFC
utilized
R410A
Indoor unit service manual
MSZ-EF•VE Series (OBH589)
MSZ-SF•VA Series (OBH555)
MSZ-SF•VE Series (OBH600)
MSZ-FD•VA Series (OBH488)
MSZ-FH•VE Series (OBH623)
ET3
ER1
ER2
,
,
,
MSZ-GA•VA Series (OB378)
MSZ-GE•VA Series (OBH515)
ET2
ET3
ER1
ER2
,
,
,
MSZ-GF•VE Series (OBH634)
MFZ-KA•VA Series (OB409)
MFZ-KJ•VE Series (OBH666)
MLZ-KA•VA Series (OBH483)
SLZ-KA•VA Series (OC320)
SEZ-KD•VA Series (HWE07110)
PLA-RP•BA Series (OCH412)
PCA-RP•KA Series (OCH454)
PEAD-RP•JA Series (HWE08130)
CONTENTS
1. TECHNICAL CHANGES ···································
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································
4. NOISE CRITERIA CURVES ····························
5. OUTLINES AND DIMENSIONS ······················ 14
6. WIRING DIAGRAM ··········································
7. REFRIGERANT SYSTEM DIAGRAM ············· 44
8. PERFORMANCE CURVES ·····························
9. ACTUATOR CONTROL ···································
10. SERVICE FUNCTIONS ····································
11. TROUBLESHOOTING ·····································
12. DISASSEMBLY INSTRUCTIONS ·················· 108
INDOOR UNITS COMBINATION SHEETS
PARTS CATALOG (OBB723)
,
,
, MXZ-5E102VA-
E3
ET3
ER2
and MXZ-4E83VAHZ-
,
E2
No. OBH723
REVISED EDITION-D
ER2
3
5
12
20
52
82
83
86
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Table of Contents
Related Manuals for Mitsubishi Electric MXZ-5E102VA - E1
Summarization of Contents
5 OUTLINES AND DIMENSIONS
Installation Space
Details required clearances around the outdoor unit for proper ventilation and service access.
Service Space
Specifies the necessary space around the unit for maintenance and repair access.
7 REFRIGERANT SYSTEM DIAGRAM
MAX REFRIGERANT PIPING LENGTH
Defines the maximum allowable lengths for refrigerant piping for optimal system performance.
ADDITIONAL REFRIGERANT CHARGE
Provides guidelines for adding refrigerant based on piping length and number of indoor units.
9 ACTUATOR CONTROL
Relation between main sensor and actuator
Details the relationship between various sensors and system actuators for control.
10 SERVICE FUNCTIONS
10-1. PRE-HEAT CONTROL
Explains the function to energize the compressor winding to improve startup conditions.
10-2. LOCKING THE OPERATION MODE OF THE AIR CONDITIONER
Describes how to lock the outdoor unit to a specific operation mode (COOL/DRY or HEAT).
10-3. LOWERING THE OPERATING NOISE OF THE OUTDOOR UNIT
Details the function to reduce outdoor unit operating noise during low load conditions.
11 TROUBLESHOOTING
11-1. CAUTIONS ON TROUBLESHOOTING
Provides essential safety precautions and guidelines before starting troubleshooting.
11-2. FAILURE MODE RECALL FUNCTION
Explains how to recall and interpret failure codes indicated by LEDs.
12 DISASSEMBLY INSTRUCTIONS
12-1. MXZ-3E54VA MXZ-3E68VA MXZ-4E72VA
Step-by-step instructions for disassembling specific outdoor unit models.
12-2. MXZ-4E83VA MXZ-5E102VA
Step-by-step instructions for disassembling specific outdoor unit models.
12-3. MXZ-2E53VAHZ
Step-by-step instructions for disassembling specific outdoor unit models.
12-4. MXZ-4E83VAHZ
Step-by-step instructions for disassembling specific outdoor unit models.
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