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Mitsubishi Electric MXZ-5D102VA - User Manual

Mitsubishi Electric MXZ-5D102VA
306 pages
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SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ··································· 2
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ···························· 14
5. OUTLINES AND DIMENSIONS ······················ 17
6. WIRING DIAGRAM ·········································· 21
7. REFRIGERANT SYSTEM DIAGRAM ············· 50
8. PERFORMANCE CURVES ····························· 59
9. ACTUATOR CONTROL ··································· 87
10. SERVICE FUNCTIONS ···································· 88
11. TROUBLESHOOTING ····································· 92
12. DISASSEMBLY INSTRUCTIONS ·················· 121
INDOOR UNITS COMBINATION SHEETS
Models
No. OBH626
REVISED EDITION-F
HFC
utilized
R410A
SPLIT-TYPE AIR CONDITIONERS
OUTDOOR UNIT
Indoor unit service manual
MSZ-EF•VE Series (OBH589)
MSZ-SF•VA Series (OBH555)
MSZ-SF•VE Series (OBH600)
MSZ-FH•VE Series (OBH623)
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)
NOTE:
RoHS compliant products have <G> mark
on the spec name plate.
PARTS CATALOG (OBB626)
MXZ-2D33VA
MXZ-2D40VA
MXZ-2D42VA
MXZ-2D53VA MXZ-2D53VAH
Please void OBH626 REVISED EDITION-E
MXZ-2D33VA
-
E1
,
E2
,
ER2
,
ET2
MXZ-2D40VA
-
E1
,
ER2
MXZ-2D42VA
-
E2
,
ET2
MXZ-2D53VA
-
E1
,
E2
,
ER2
,
ET2
MXZ-2D53VAH
-
E1
,
E2
,
ER2
MXZ-3D54VA
-
E1
MXZ-3D54VA2
-
E2
,
ER2
,
ET2
MXZ-3D68VA
-
E1
,
E2
,
ER2
,
ET2
MXZ-4D72VA
-
E1
,
E2
,
ER2
,
ET2
MXZ-4D83VA
-
E1
,
E2
,
ER1
,
ER2
,
ET2
MXZ-5D102VA
-
E1
,
E2
,
ER1
,
ER2
,
ET2
Revision F:
MXZ-2D33/2D42/2D53/3D68/4D72/4D83/5D102VA
-
ET2
and MXZ-3D54VA2
-
ET2
have been added.

Other manuals for Mitsubishi Electric MXZ-5D102VA

Questions and Answers

  • H
    Heather MossAug 8, 2025
    What to do if the Mitsubishi Electric MXZ-5D102VA detects high pressure with the high-pressure switch (HPS) during operation?
    • H
      heathersloanAug 8, 2025
      If the high-pressure switch detects high pressure during operation, check the refrigerant circuit and the refrigerant amount. Also, check the stop valve.
  • T
    Tony JonesAug 13, 2025
    What should I do if the fin temperature exceeds 90 ºC during operation of my Mitsubishi Electric MXZ-5D102VA?
    • B
      Barbara ShawAug 13, 2025
      If the fin temperature exceeds 90 ºC during operation, check around the outdoor unit and the outdoor unit air passage.
  • H
    hortonjenniferAug 20, 2025
    What to do if the discharge temperature exceeds 116 ºC during operation of Mitsubishi Electric MXZ-5D102VA?
    • M
      Michael SmithAug 20, 2025
      If the discharge temperature exceeds 116 ºC during operation, check the refrigerant circuit and the refrigerant amount.
  • D
    destradaAug 27, 2025
    What to do if the sensor circuit of current of compressor shorts or opens during compressor operate of Mitsubishi Electric Air Conditioner?
    • W
      wespinozaAug 27, 2025
      If the sensor circuit of current of compressor shorts or opens during compressor operation, replace the inverter P.C. board.
  • J
    James NelsonAug 31, 2025
    What to do if Mitsubishi Electric MXZ-5D102VA Air Conditioner nonvolatile memory data cannot be read properly?
    • C
      callahanmichaelAug 31, 2025
      If the nonvolatile memory data cannot be read properly, replace the inverter P.C. board.

Summary

Technical Changes

Specifications

Outdoor Unit Specifications

Technical specifications for various outdoor unit models, including power, current, and capacity.

Wiring Diagram

MXZ-2 D Series Wiring Diagrams

Wiring diagrams for MXZ-2D series outdoor units.

MXZ-3 D Series Wiring Diagrams

Wiring diagrams for MXZ-3D series outdoor units.

MXZ-4 D Series Wiring Diagrams

Wiring diagrams for MXZ-4D series outdoor units.

Refrigerant System Diagram

Performance Curves

Capacity and Input Curves

Presents capacity and input data based on indoor intake and outdoor air conditions.

Capacity and Input Correction by Inverter Output Frequency (single operation)

Shows how capacity and input change with inverter frequency for single operation.

Fixed-Frequency Operation Test Run

Procedure for performing fixed-frequency operation test run.

Outdoor Low Pressure and Current Curves (single operation)

Curves showing outdoor low pressure and current based on ambient conditions.

Actuator Control

Service Functions

Troubleshooting

Cautions on Troubleshooting

General precautions to follow before and during troubleshooting.

Failure Mode Recall Function

Explains how the air conditioner memorizes and recalls abnormal conditions.

Troubleshooting Check Table

Table detailing symptoms, LED indications, conditions, remedies, and failure mode recall function.

Disassembly Instructions

Mitsubishi Electric MXZ-5D102VA Specifications

General IconGeneral
SeriesMXZ
Cooling Capacity10.2 kW
RefrigerantR410A
Power Supply220-240 V, 50 Hz
Number of Connectable Indoor Units5
Voltage220-240 V
Energy Efficiency Ratio (EER)3.52
Sound Level (Outdoor) dB(A)54 dB(A)
Energy Efficiency Ratio (Cooling)3.52
Outdoor Unit Noise Level54 dB(A)
SEER6.9
Indoor Unit Dimensions (WxHxD)Varies by model
Indoor Unit WeightVaries by model

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