Mitsubishi Electric MSZ-A09RV-E1 User Manual

SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
Wireless type
Models
No. OB230
CONTENTS
1. TECHINICAL CHANGES ··································2
2. PART NAMES AND FUNCTIONS······················4
3. SPECIFICATION·················································6
4. NOISE CRITERIA CURVES·······························8
5. OUTLINES AND DIMENSIONS ·························9
6. WIRING DIAGRAM ··········································10
7. REFRIGERANT SYSTEM DIAGRAM··············12
8. PERFORMANCE CURVES······························13
9. MICROPROCESSOR CONTROL ····················23
10. SERVICE FUNCTIONS·····································38
11. TROUBLESHOOTING······································40
12. DISASSEMBLY INSTRUCTIONS·····················57
13. PARTS LIST······················································61
14. OPTIONAL PARTS···········································65
MSZ-A09RV -
(
WH
)●
MUZ-A09RV -
MSZ-A12RV -
(
WH
)●
MUZ-A12RV -
E1E1
E1E1
1999

Mitsubishi Electric MSZ-A09RV-E1 Specifications

General

Cooling Capacity	2.5 kW
Heating Capacity	3.2 kW
Power Supply	220-240 V, 50 Hz
Refrigerant	R410A
Indoor Unit Dimensions (W x H x D)	798 x 299 x 232 mm
Outdoor Unit Dimensions (W x H x D)	780 x 542 x 289 mm
Type	Split System

Summary

Technical Changes

R-410A Refrigerant Information

Information on using R-410A refrigerant, including pressure and handling.

Tools and Piping for R-410A

Refrigerant Piping Specifications

Part Names and Functions

Indoor Unit Components

Outdoor Unit Components

Remote Controller Functions

Specification

Indoor Unit Specifications

Technical specifications for indoor units, including capacity, electrical data, and noise levels.

Outdoor Unit Specifications

Technical specifications for outdoor units, including capacity, electrical data, and noise levels.

Main Electric Parts Specifications

Wiring Diagram

Indoor Unit Wiring Diagram

Electrical schematic for the indoor unit, showing connections and components.

Outdoor Unit Wiring Diagram

Electrical schematic for the outdoor unit, illustrating its components and connections.

Refrigerant System Diagram

Refrigerant Piping Length and Height Difference

Additional Refrigerant Charge

Microprocessor Control

Remote Controller and Indoor Unit Display

"I FEEL CONTROL" Operation Mode

Standard Operation Modes (COOL, DRY, HEAT)

How to set and operate the unit in COOL, DRY, and HEAT modes.

Timer Operation

Emergency Test Operation

Procedure for emergency test operation when the remote controller is unavailable or fails.

Service Functions

Auto Restart Function

Troubleshooting

Troubleshooting Cautions and Procedures

Important precautions, flowchart, and general troubleshooting steps for identifying issues.

Indoor Unit Symptom Check Table

Table detailing indoor unit symptoms, abnormal points, detection methods, and checkpoints.

Outdoor Unit Symptom Check Table

Compressor and Inverter Checks

Detailed checks for compressor and inverter faults, including resistance, voltage, and operation time.

Disassembly Instructions

Indoor Unit Disassembly

Steps for removing components of the indoor unit, including panels, PC boards, motors, and fans.

Outdoor Unit Disassembly