SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS

Revision B:

•Remote controller model has been changed. •RoHS PARTS LIST has been added.

Please void OB427 REVISED EDITION-A.

INDOOR UNIT

SERVICE MANUAL

No. OB427

REVISED EDITION-B

Wireless type

Models

MSH-A18ND - S1

MSH-A24ND - S1

Outdoor unit service manual

MUH-A·ND Series (OB428)

CONTENTS

1. TECHNICAL CHANGES ····································2

2. PART NAMES AND FUNCTIONS······················2

3.SPECIFICATION·················································4

4.OUTLINES AND DIMENSIONS ·························5

5.WIRING DIAGRAM ············································6

 

6. REFRIGERANT SYSTEM DIAGRAM ················7

 

7.

SERVICE FUNCTIONS ······································8

MSH-A18ND

8. TROUBLESHOOTING······································10

MSH-A24ND

9. DISASSEMBLY INSTRUCTIONS ····················18

 

10.PARTS LIST······················································20

11.RoHS PARTS LIST···········································23

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 (RoHS compliant).

TM

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Mitsubishi Electronics MSH-A18ND service manual Revised EDITION-B, Contents