Mitsubishi Electric MSZ-G09SV-E1 User Manual

SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
Wireless type
Models
No. OB245
REVISED EDITION-A
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················2
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES·······························7
5. OUTLINES AND DIMENSIONS ·························8
6. WIRING DIAGRAM···········································11
7. REFRIGERANT SYSTEM DIAGRAM··············14
8. PERFORMANCE CURVES······························16
9. MICROPROCESSOR CONTROL ····················26
10. SERVICE FUNCTIONS·····································41
11. TROUBLESHOOTING······································44
12. DISASSEMBLY INSTRUCTIONS·····················62
13. PARTS LIST······················································66
14. OPTIONAL PARTS···········································70
MSZ-G09SV -
(
WH
) ●
MUZ-G09SV -
MSZ-G09SV -
(
WH
) ●
MUZ-G09SV -
MSZ-G12SV -
(
WH
) ●
MUZ-G12SV -
MSZ-G12SV -
(
WH
) ●
MUZ-G12SV -
E2E2
E1E1
E2E2
E1E1
Revision:
● MSZ-G09SV - and MSZ-G12SV - have been added.
● MICROPROCESSOR CONTROL, SERVICE FUNCTIONS,
and PARTS LIST have been partially modified.
● Please void OB245.
E2E2
MSZ-G09SV -
MSZ-G12SV -
E2
E2
OB245A-1.qxp 01.4.4 2:56 PM Page 1

Mitsubishi Electric MSZ-G09SV-E1 Specifications

General

Category	Air Conditioner
Type	Split System
Heating Capacity	3.2 kW
Power Supply	220-240 V, 50 Hz
Weight (Indoor Unit)	9 kg

Summary

Specification

Unit Performance and Electrical Data

Provides detailed specifications for indoor and outdoor units, including capacity, flow, and electrical data.

Wiring Diagram

Indoor Unit Wiring Schematics

Outdoor Unit Wiring Schematics

Refrigerant System Diagram

Refrigerant Piping, Height, and Charge Specs

Performance Curves

Cooling Performance Characteristics

Displays curves for cooling capacity and total input based on operating conditions.

Heating Performance Characteristics

Presents curves for heating capacity and total input under various temperature conditions.

Operational Data and Performance Tables

Microprocessor Control

Remote Controller & Indoor Display Operation

"I FEEL CONTROL" Mode Operations

Details 'I FEEL CONTROL' for cool, dry, heat modes, temperature settings, and fan speed logic.

Operational Controls and Protections

Timer, Emergency, and Frequency Controls

Expansion Valve (LEV) Control Logic

Service Functions

Defrost, Timer, and Remote Control Modifications

Troubleshooting

Troubleshooting Precautions and Basic Procedures

Covers general safety, diagnostic steps, and battery replacement for the remote controller.

Fault Diagnosis Flowcharts and Tables

Presents flowcharts for identifying issues and tables linking LED indicators to specific faults.

Component-Specific Troubleshooting Guides

Provides detailed methods for checking major electrical and mechanical components for defects.

Electrical Test Points and Diagrams

Illustrates test points on control boards and provides diagrams for voltage and resistance checks.

Disassembly Instructions

Indoor Unit Disassembly Guide

Outdoor Unit Disassembly Guide