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Mitsubishi Electric MUX-A10WV User Manual

Mitsubishi Electric MUX-A10WV
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SERVICE MANUAL
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················6
3. INDOOR/OUTDOOR
CORRESPONDENCE TABLE ···························8
4. INDOOR UNITS COMBINATION ·······················9
5. SPECIFICATION···············································10
6. NOISE CRITERIA CURVES···························· 17
7. OUTLINES AND DIMENSIONS ······················ 20
8. WIRING DIAGRAM ··········································25
9. REFRIGERANT SYSTEM DIAGRAM··············32
10. PERFORMANCE CURVES······························45
11. MICROPROCESSOR CONTROL·····················84
12. SERVICE FUNCTIONS···································102
13. TROUBLESHOOTING····································104
14. DISASSEMBLY INSTRUCTIONS···················129
15. PARTS LIST····················································144
16. OPTIONAL PARTS·········································157
Wireless type
Models
MSC-A07WV -
(
WH
)
· MU-A07WV -
MSC-A09WV -
(
WH
)
· MU-A09WV -
MSC-A12WV -
(
WH
)
· MU-A12WV -
MSC-A07WV -
(
WH
)
· MUH-A07WV -
MSC-A09WV -
(
WH
)
· MUH-A09WV -
MSC-A12WV -
(
WH
)
· MUH-A12WV -
Multi system type
Models
MSC-A07WV -
(
WH
)
· MUX-A10WV -
MSC-A09WV -
(
WH
)
· MUX-A19WV -
MSC-A12WV -
(
WH
)
· MUX-A20WV -
· MUX-A25WV -
· MUX-A26WV -
Inverter-controlled multi system Model
· MXZ-A18WV -
E1
E1
E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
MSC-A07WV -
MSC-A09WV -
MSC-A12WV -
E1
E1
E1
No. OB307
REVISED EDITION-A
HFC
utilized
R410A
SPLIT-TYPE, AIR CONDITIONERS
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
Revision:
MXZ-A18WV - have been added.
MSC-A07/09/12WV - Part No.
.
have changed.
VARISTOR (NR11& NR12)
E02 336 385 E02 749 385
Please void OB307.
E1
E1
Indication of
model name
Remote
controller
OB307A1.qxp 03.2.19 3:56 PM Page 1
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Mitsubishi Electric MUX-A10WV Specifications

General IconGeneral
BrandMitsubishi Electric
ModelMUX-A10WV
CategoryAir Conditioner
LanguageEnglish

Summary

Technical Changes

R410A Refrigerant Information

Refrigerant Installation and Handling

Details on dedicated tools, piping, charge, oil, and air purge for R410A refrigerant.

Part Names and Functions

Indoor Unit Components

Identifies and describes components of the indoor unit.

Outdoor Unit Components

Identifies and describes components of the outdoor unit.

Accessories

Lists and describes included accessories for the air conditioning unit.

Remote Controller Operation

Indoor Units Combination

Specifications

Indoor Model Specifications

Technical specifications for the indoor units.

Outdoor Model Specifications

Technical specifications for the outdoor units.

Noise Criteria Curves

Outlines and Dimensions

Indoor Unit Dimensions

Provides detailed dimensions for the indoor units.

Outdoor Unit Dimensions

Provides detailed dimensions for the outdoor units.

Wiring Diagrams

Indoor and Outdoor Unit Wiring

Illustrates the electrical wiring for indoor and outdoor units.

Refrigerant System Diagrams

Indoor and Outdoor Unit Systems

Diagrams showing the refrigerant flow for indoor and outdoor units.

Refrigerant Piping and Charge

Piping Length and Height Difference

Details maximum refrigerant piping length and height difference.

Additional Refrigerant Charge

Specifies additional refrigerant charge based on piping length.

Piping Preparation

Guidelines for preparing refrigerant pipes for installation.

Performance Data

Capacity and Input Curves

Curves showing cooling capacity and input based on various conditions.

Low Pressure and Unit Current Curves

Graphs illustrating outdoor low pressure and unit current.

Inverter Frequency Correction

Data on capacity and input correction based on inverter frequency.

Microprocessor Control and Operation

Indoor Unit Display and Operation Modes

Details on display indicators and operation modes (COOL, DRY, HEAT).

Fan Motor, Vane, Timer, and Emergency Controls

Explains fan motor speed, vane operation, timers, and emergency functions.

Protective and System Controls

Information on inverter, LEV, defrost, and other system protection controls.

Service Functions

Defrost and Timer Adjustments

Procedures for compulsory defrosting and timer mode adjustments.

P.C. Board and Remote Controller Modifications

Instructions for modifying P.C. boards and remote controller settings.

Troubleshooting

Troubleshooting Cautions and Procedures

General precautions and systematic steps for troubleshooting.

Troubleshooting Check Tables

Detailed tables for diagnosing common abnormalities and check points.

Component Specific Checks

Diagnostic procedures for specific components like fan motors and P.C. boards.

Test Point Diagrams and Voltages

Disassembly Instructions

Indoor Unit Disassembly

Step-by-step guide for disassembling the indoor unit.

Outdoor Unit Disassembly

Step-by-step guide for disassembling outdoor units (MUH, MUX, MXZ models).

Parts List

Indoor Unit Parts

List of structural, electrical, and functional parts for indoor units.

Outdoor Unit Parts

List of structural, electrical, and functional parts for outdoor units.

Accessories

List of accessories and remote controllers.

Optional Parts

Air Cleaning & Deodorizing Filters

Information on air cleaning and deodorizing filters, including maintenance.

Different-Diameter Pipes

Specifications for optional different-diameter piping.

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