Mitsubishi PEAD-A30AA4

SERVICE MANUAL
<indoor unit> Service ref.
Models
PEAD-A24AA4
PEAD-A30AA4
PEAD-A36AA4
PEAD-A42AA4
TM
1. SAFETY PRECAUTION ····························· 2
2. PART NAMES AND FUNCTIONS ·············· 3
3. SPECIFICATION ········································ 4
4. FAN PERFORMANCE AND
CORRECTED AIR FLOW ·························· 6
5. SOUND PRESSURE LEVELS ···················1 1
6. OUTLINES & DIMENSIONS ······················15
7. WIRING DIAGRAM ····································16
8. REFRIGERANT SYSTEM DIAGRAM ········17
9. HEATER CONTROL ··································17
10 . TROUBLESHOOTING ·······························20
11 . DISASSEMBLY PROCEDURE ··················33
CONTENTS
INDOOR UNIT
Series PEAD R410A
2010
SPLIT-TYPE, HEAT PUMP
AIR CONDITIONERS
NOTE:
• This manual describes only
service data of the indoor
units.

Mitsubishi PEAD-A30AA4 Specifications

General

Brand	Mitsubishi
Model	PEAD-A30AA4
Category	Air Conditioner
Language	English

Summary

SAFETY PRECAUTION

ALWAYS OBSERVE FOR SAFETY

General safety guidelines to follow before accessing internal components.

CAUTIONS RELATED TO NEW REFRIGERANT

Specific precautions for using R410A refrigerant and related procedures.

TROUBLESHOOTING

CAUTIONS ON TROUBLESHOOTING

Important safety precautions and handling guidelines before and during troubleshooting.

SELF-CHECK FUNCTION

Details on the unit's self-check function and error code interpretation.

SELF-DIAGNOSIS ACTION TABLE

Table listing error codes, symptoms, causes, and countermeasures.

TROUBLESHOOTING BY INFERIOR PHENOMENA

Troubleshooting common operational issues and indicator lamp status.

TEST POINT DIAGRAM

TROUBLE CRITERION OF MAIN PARTS

DC FAN MOTOR (FAN MOTORINDOOR CONTROLLER BOARD)