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Mitsubishi Electric MU-09RV User Manual

Mitsubishi Electric MU-09RV
186 pages
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SERVICE MANUAL
SPLIT-TYPE,AIR CONDITIONERS
SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················4
3. INDOOR/OUTDOOR
CORRESPONDENCE TABLE ···························7
4. INDOOR UNITS COMBINATION ·······················8
5. SPECIFICATION···············································13
6. NOISE CRITERIA CURVES···························· 19
7. OUTLINES AND DIMENSIONS ······················ 22
8. WIRING DIAGRAM ··········································28
9. REFRIGERANT SYSTEM DIAGRAM··············35
10. PERFORMANCE CURVES······························46
11. MICROPROCESSOR CONTROL···················102
12. SERVICE FUNCTIONS···································120
13. TROUBLESHOOTING····································122
14. DISASSEMBLY INSTRUCTIONS···················148
15. PARTS LIST····················································166
16. OPTIONAL PARTS·········································184
Wireless type
Models
MSC-07RV -
(
WH
)
· MU-07RV -
MSC-09RV -
(
WH
)
· MU-09RV -
MSC-12RV -
(
WH
)
· MU-12RV -
MSC-07RV -
(
WH
)
· MUH-07RV -
MSC-09RV -
(
WH
)
· MUH-09RV -
MSC-12RV -
(
WH
)
· MUH-12RV -
Multi system type
MSC-07RV -
(
WH
)
· MUX-10RV -
MSC-09RV -
(
WH
)
· MUX-18RV -
MSC-12RV -
(
WH
)
· MUX-24RV -
Inverter controlled multi system type
· MXZ-18RV -
· MXZ-32RV -
E1
E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
E1E1
No. OB227
REVISED EDITION-B
MSC-07RV -
MSC-09RV -
MSC-12RV -
E1
E1
E1
Revision:
MUX-10/18/24RV - has been added.
MXZ-18/32RV - has been added.
Noise criteria curves has been added.
Performance data has been added.
Specification has been partially modified.
Refrigerant system diagram has been partially
modified.
• Please void OB227 REVISED EDITION-A
E1
E1
NOTE: (Only MXZ-32RV - )
This manual describes technical data of MSC
type indoor unit .
For other indoor unit refer to the service manuals
No. OB229 REVISED EDITION-A of correspond-
ing models.
E1

Table of Contents

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Mitsubishi Electric MU-09RV Specifications

General IconGeneral
Cooling Capacity2.5 kW
Heating Capacity3.2 kW
Power Supply220-240 V, 50 Hz
RefrigerantR410A
Dimensions (Outdoor Unit) (W x H x D)780 x 540 x 269 mm

Summary

Technical Changes

Part Names and Functions

Indoor Unit Components

Identifies and explains the parts of the indoor unit.

Outdoor Unit Components

Identifies and explains the parts of the outdoor unit.

Specification

Indoor Unit Specifications

Details specifications for indoor units like MSC and MUH types.

Outdoor Unit Specifications

Details specifications for outdoor units like MU, MUH types.

Outlines and Dimensions

Indoor Unit Dimensions

Provides dimensional drawings for MSC indoor units.

Outdoor Unit Dimensions

Provides dimensional drawings for MU/MUH outdoor units.

Wiring Diagram

Indoor Unit Wiring Diagram

Shows the wiring diagram for the indoor unit.

Outdoor Unit Wiring Diagrams

Shows wiring diagrams for various outdoor units.

Refrigerant System Diagram

Single System Refrigerant Diagrams

Illustrates refrigerant circuits for single indoor/outdoor unit combinations.

Multi System Refrigerant Diagrams

Illustrates refrigerant circuits for multi-system configurations.

Performance Data Tables

Cool Operation Performance Data (220V)

Presents detailed performance data for cooling operation at 220V for various models.

Cool Operation Performance Data (240V)

Presents detailed performance data for cooling operation at 240V for various models.

Heat Operation Performance Data

Presents performance data for heating operation for various models.

Microprocessor Control

Wireless Remote Controller Operation

Explains the usage and features of the wireless remote controller.

Cool Mode Operation

Details the steps and controls for COOL mode operation.

Heat Mode Operation

Details the steps and controls for HEAT mode operation.

Defrosting Control

Explains the defrosting mechanism and conditions.

Service Functions

Compulsory Defrosting Mode

Details how to activate compulsory defrosting for service purposes.

P.C. Board Modification for Individual Operation

Explains modifications for using multiple indoor units with individual remote control.

MU Type / MUH Type Switch Over

Describes how to switch between MU and MUH indoor unit types.

Troubleshooting

Troubleshooting Flowcharts

Provides step-by-step guides for diagnosing and resolving operational issues.

Unit Fault Check Tables

Lists common faults, symptoms, detection methods, and checks for indoor and outdoor units.

Main Parts Trouble Criteria

Provides resistance and voltage criteria for checking major components.

Disassembly Instructions

Indoor Unit Disassembly

Provides step-by-step procedures for disassembling the indoor unit.

Outdoor Unit Disassembly

Provides step-by-step procedures for disassembling outdoor units.

Parts List

Indoor Unit Structural Parts

Lists structural parts of the indoor unit with part numbers and quantities.

Outdoor Unit Structural Parts

Lists structural parts of the MU outdoor units with part numbers.

Outdoor Unit Functional and Electrical Parts

Lists functional and electrical parts for MU outdoor units.

Optional Parts

Air Cleaning Filter

Describes the air cleaning filter and its maintenance.

Different-Diameter Pipe Specifications

Specifies pipe sizes for connecting indoor and outdoor units.

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