Mitsubishi Electric MU-30SV-A1 User Manual

SERVICE MANUAL
SPLIT-TYPE, AIR CONDITIONER
CONTENTS
1. PART NAMES AND FUNCTIONS······················2
2. SPECIFICATION·················································4
3. NOISE CRITERIA CURVES·······························5
4. OUTLINES AND DIMENSIONS ·························6
5. WIRING DIAGRAM ············································8
6. REFRIGERANT SYSTEM DIAGRAM··············10
7. PERFORMANCE CURVES······························11
8. MICROPROCESSOR CONTROL ····················15
9. SERVICE FUNCTIONS ····································24
10. TROUBLESHOOTING······································26
11. DISASSEMBLY INSTRUCTIONS·····················40
12. PARTS LIST······················································44
13. OPTIONAL PARTS ······················BACK COVER
Wireless type
Model
MS-30SV -
(
WH
)
· MU-30SV -
A1A1
No. OB255
MS-30SV -
A1
OB255--1qxp 7/20/00 10:09 AM Page 1

Mitsubishi Electric MU-30SV-A1 Specifications

General

Cooling Capacity	3.0 kW
Refrigerant	R410A
Outdoor Unit Noise Level	49 dB(A)
Power Supply	220-240V, 50Hz
Indoor Unit Noise Level	21 dB(A)

Summary

Unit Components Identification

Indoor Unit Component Identification

Outdoor Unit Component Identification

Remote Controller and Operations

Remote Controller Layout and Display

Details the layout, buttons, and display elements of the wireless remote controller.

Technical Specifications

Physical Dimensions and Outlines

Indoor Unit Physical Dimensions

Outdoor Unit Physical Dimensions

Electrical Wiring Diagrams

Indoor Unit Electrical Wiring Diagram

Illustrates the electrical connections and component wiring within the indoor unit.

Outdoor Unit Electrical Wiring Diagram

Illustrates the electrical connections and component wiring within the outdoor unit.

Refrigerant System Details

Microprocessor Control System

Microprocessor Control: Remote and I FEEL

Explains remote controller functions and the 'I FEEL CONTROL' operating mode.

Microprocessor Control: Modes and Fan

Details COOL, DRY, FAN modes and fan motor speed control mechanisms.

Microprocessor Control: Vane, Timer, Emergency

Microprocessor Control: LEV Valve

Service and Maintenance Functions

Service Functions: Timer and PC Board

Service Functions: Auto Restart

Troubleshooting and Diagnostics

Troubleshooting: Cautions and Procedures

Safety advice, basic checks, battery replacement, and general troubleshooting steps.

Troubleshooting: Diagnostics and Part Checks

Guides for diagnosing unit issues via flowcharts and checking specific component criteria.

Disassembly Procedures

Disassembly: Indoor Unit

Disassembly: Outdoor Unit