Mitsubishi Electric MS-A24VD - User Manual

CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. OUTLINES AND DIMENSIONS ·························6
5. WIRING DIAGRAM ············································7
6. REFRIGERANT SYSTEM DIAGRAM················9
7. SERVICE FUNCTIONS ····································10
8. TROUBLESHOOTING······································12
9. DISASSEMBLY INSTRUCTIONS ····················21
10. PARTS LIST······················································23
11. RoHS PARTS LIST···········································26
SPLIT-TYPE AIR CONDITIONERS
TM
MS-A18VD
MS-A24VD
MS-A30VD
NOTE:
• This service manual describes technical data of the indoor units.
• RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS Parts List.
SERVICE MANUAL
Models
MS-A18VD-
MS-A18VD-
MS-A24VD-
MS-A24VD-
MS-A30VD-
MS-A30VD-
K2
K1
K2
K1
K2
K1
No. OB400
REVISED EDITION-C
INDOOR UNIT
Outdoor unit service manual
MU-A·VD Series (OB401)
Revision C:
• Another type of the electronic control P.C.
board (TYPE 2) has been added to the
original one (TYPE 1). They are both com-
patible with MS-A18/24/30VD- .
K
Please void OB400, REVISED EDITION-B.
OB400C--1.qxp 11.7.11 9:10 AM Page 1

Summary

Part Names and Functions

Indoor Unit Components Overview

Identifies and labels components of the indoor unit for various models.

Remote Controller Operation

Product Specifications

Wiring Diagrams

Wiring Diagram: MS-A18 VD;24 VD (K1)

Illustrates the electrical connections for MS-A18VD and MS-A24VD models (K1).

Wiring Diagram: MS-A18 VD;24 VD (K2)

Illustrates the electrical connections for MS-A18VD and MS-A24VD models (K2).

Refrigerant System Diagrams

Refrigerant System: MS-A18 VD

Diagram showing refrigerant path and components for the MS-A18VD indoor unit.

Refrigerant System: MS-A24 VD

Refrigerant System: MS-A30 VD

Service Functions

Troubleshooting Guide

Troubleshooting Safety and Initial Checks

Important safety warnings and checks to perform before troubleshooting.

Disassembly Instructions

Indoor Unit Disassembly Procedures

Step-by-step guide for disassembling the MS-A18VD, MS-A24VD, and MS-A30VD indoor units.

Mitsubishi Electric MS-A24VD Specifications