Mitsubishi Electric MU-A09WA User Manual

SERVICE MANUAL
Wireless type
Models
MU-A09WA
MU-A12WA
MU-A12WA-
1
SPLIT-TYPE AIR CONDITIONERS
OUTDOOR UNIT
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················5
3. SPECIFICATION·················································6
4. OUTLINES AND DIMENSIONS ·························8
5. WIRING DIAGRAM ············································9
6. REFRIGERANT SYSTEM DIAGRAM··············10
7. DATA·································································12
8. TROUBLESHOOTING······································16
9. DISASSEMBLY INSTRUCTIONS ····················17
10. PARTS LIST······················································22
10-1. PARTS LIST·············································22
10-2. RoHS PARTS LIST··································24
NOTE:
This service manual describes technical data of the outdoor units.
RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS PARTS
LIST (RoHS compliant).
Indoor unit service manual
MS-A•WA Series (OB448)
MU-A12WA
MU-A09WA
TM
HFC
utilized
R410A
No. OB449
REVISED EDITION-A
Revision : A
● MU-A12WA-
has been added.
1
Please void OB449.
OB449A.qxp 06.5.9 11:13 AM Page 1

Mitsubishi Electric MU-A09WA Specifications

General

Cooling Capacity	2.5 kW
Heating Capacity	3.2 kW
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Outdoor Unit Noise Level	49 dB(A)
SEER	6.1
Type	Split System Air Conditioner

Summary

TECHNICAL CHANGES

PART NAMES AND FUNCTIONS

SPECIFICATION

OUTLINES AND DIMENSIONS

WIRING DIAGRAM

REFRIGERANT SYSTEM DIAGRAM

DATA

PERFORMANCE DATA

Detailed cooling capacity and power consumption data under various conditions.

PERFORMANCE CURVE

Graphical representation of cooling performance under different operating conditions.

Condensing Pressure Analysis

Graphs showing condensing pressure based on outdoor ambient and indoor DB temperatures.

STANDARD OPERATION DATA

Key operational data points for indoor and outdoor units during standard cooling.

OPERATING RANGE

Specifies the guaranteed voltage and operational temperature/humidity limits.

TROUBLESHOOTING

Troubleshooting Cautions

Important safety and preparatory steps before performing troubleshooting.

Troubleshooting Instructions

Guidance on checking outdoor unit fuse and lead wiring during troubleshooting.

Main Part Trouble Criteria

Resistance measurement criteria for compressor and fan motor components.

DISASSEMBLY INSTRUCTIONS

MU-A09WA Disassembly Steps

Procedures and photos for removing the cabinet and electrical parts of the MU-A09WA.

MU-A12WA Disassembly Steps

Procedures and photos for removing the cabinet and electrical parts of the MU-A12WA.

PARTS LIST

MU-A09WA Parts List (Non-RoHS)

List of structural, electrical, and functional parts for MU-A09WA (non-RoHS compliant).

MU-A12WA Parts List

List of structural, electrical, and functional parts for MU-A12WA.

MU-A09WA RoHS Parts List

List of RoHS compliant structural, electrical, and functional parts for MU-A09WA.

MU-A12WA RoHS Parts List

List of RoHS compliant structural, electrical, and functional parts for MU-A12WA.