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Mitsubishi Electric MXZ-2D40VA - User Manual

Mitsubishi Electric MXZ-2D40VA
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SERVICE MANUAL
OUTDOOR UNIT
HFC
utilized
R410A
NOTE:
RoHS compliant products have <G> mark
on the spec name plate.
MXZ-2D33VA
MXZ-2D40VA
MXZ-2D42VA
MXZ-2D42VA2
MXZ-2D53VA MXZ-2D53VAH
MXZ-2D53VA2 MXZ-2D53VAH2
Models
MXZ-2D33VA
-
E1
,
E2
,
E3
,
ER2
,
ER3
,
ET2
,
ET3
MXZ-2D40VA
-
E1
,
ER2
MXZ-2D42VA
-
E2
,
E3
,
ER3
,
ET2
,
ET3
MXZ-2D42VA2
-
E3
,
ET3
,
ER3
MXZ-2D53VA
-
E1
,
E2
,
E3
,
ER2
,
ER3
,
ET2
,
ET3
MXZ-2D53VA2
-
E3
,
ET3
,
ER3
MXZ-2D53VAH
-
E1
,
E2
,
E3
,
ER2
,
ER3
MXZ-2D53VAH2
-
E3
MXZ-3D54VA
-
E1
MXZ-3D54VA2
-
E2
,
E3
,
ER2
,
ER3
,
ET2
,
ET3
MXZ-3D68VA
-
E1
,
E2
,
E3
,
ER2
,
ER3
,
ET2
,
ET3
MXZ-4D72VA
-
E1
,
E2
,
E3
,
ER2
,
ER3
,
ET2
,
ET3
MXZ-4D83VA
-
E1
,
E2
,
ER1
,
ER2
,
ET2
MXZ-5D102VA
-
E1
,
E2
,
ER1
,
ER2
,
ET2
MXZ-6D122VA
-
E1
,
ER1
,
ET1
No. OBH626
REVISED EDITION-K
Please void OBH626 REVISED EDITION-J.
Revision K:
• MXZ-2D42/2D53VA2-
ER3
have been added.
PARTS CATALOG (OBB626)
Indoor unit service manual
MSZ-EF•VE Series (OBH589)
MSZ-GF•VE Series (OBH634)
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)
SLZ-KF•VA Series (OCH600)
SEZ-KD•VA Series (HWE07110)
PLA-RP•BA Series (OCH412)
PCA-RP•KA Series (OCH454)
PEAD-RP•JA Series (HWE08130)
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 6
3. SPECIFICATION ················································ 7
4. NOISE CRITERIA CURVES ···························· 17
5. OUTLINES AND DIMENSIONS ······················ 20
6. WIRING DIAGRAM ·········································· 25
7. REFRIGERANT SYSTEM DIAGRAM ············· 73
8. PERFORMANCE CURVES ····························· 83
9. ACTUATOR CONTROL ··································117
10. SERVICE FUNCTIONS ···································118
11. TROUBLESHOOTING ··································· 124
12. DISASSEMBLY INSTRUCTIONS ·················· 163
INDOOR UNITS COMBINATION SHEETS

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Questions and Answers

  • L
    Lance MillerAug 8, 2025
    What to do if the Mitsubishi Electric Air Conditioner detects high pressure with the high-pressure switch (HPS) during operation?
    • E
      emily66Aug 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.
  • R
    Renee HillAug 13, 2025
    What should I do if the fin temperature exceeds 90 ºC during operation of my Mitsubishi Electric Air Conditioner?
    • R
      rcaldwellAug 14, 2025
      If the fin temperature exceeds 90 ºC during operation, check around the outdoor unit and the outdoor unit air passage.
  • T
    Thomas HopkinsAug 20, 2025
    What to do if the discharge temperature exceeds 116 ºC during operation of Mitsubishi Electric MXZ-2D40VA Air Conditioner?
    • D
      Daniel ThompsonAug 20, 2025
      If the discharge temperature exceeds 116 ºC during operation, check the refrigerant circuit and the refrigerant amount.
  • J
    jennamaciasAug 27, 2025
    What to do if the sensor circuit of current of compressor shorts or opens during compressor operate of Mitsubishi Electric Air Conditioner?
    • T
      Thomas SmithAug 27, 2025
      If the sensor circuit of current of compressor shorts or opens during compressor operation, replace the inverter P.C. board.
  • K
    Katherine HowardAug 31, 2025
    What to do if Mitsubishi Electric MXZ-2D40VA Air Conditioner nonvolatile memory data cannot be read properly?
    • M
      Monique WelchAug 31, 2025
      If the nonvolatile memory data cannot be read properly, replace the inverter P.C. board.

Mitsubishi Electric MXZ-2D40VA Specifications

General IconGeneral
Cooling Capacity4.0 kW
Power Supply220-240 V, 50 Hz
Outdoor Unit Noise Level49 dB(A)
Indoor Unit Dimensions (WxHxD)Varies depending on the indoor unit model
Indoor Unit WeightVaries depending on the indoor unit model

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