Mitsubishi Electric MUZ-HM24NA-U1 User Manual

Models
MUZ-HM09NA
-
U1
,
U8
MUZ-HM18NA
-
U1
MUZ-HM09NA2
-
U1
,
U8
MUZ-HM18NA2
-
U1
MUZ-HM12NA
-
U1
,
U8
MUZ-HM24NA
-
U1
MUZ-HM12NA2
-
U1
,
U8
MUZ-HM24NA2
-
U1
MUZ-HM15NA
-
U1
MUZ-HM15NA2
-
U1
HFC
utilized
R410A
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
MUZ-HM24NA
PARTS CATALOG (OBB747)
INDOOR UNIT
SERVICE MANUAL
OUTDOOR UNIT
No. OBH747
REVISED EDITION-C
OBH747 REVISED EDITION-B is void.
Revision C:
• MUZ-HM09/12NA
-
U1
, MUZ-HM09/12NA2
-
U1
have been added.
Indoor unit service manual
MSZ-HM•NA Series (OBH746)
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. OUTLINES AND DIMENSIONS ······················ 10
5. WIRING DIAGRAM ·········································· 12
6. REFRIGERANT SYSTEM DIAGRAM ············· 15
7. DATA ································································ 19
8. ACTUATOR CONTROL ··································· 32
9. SERVICE FUNCTIONS ··································· 33
10. TROUBLESHOOTING ····································· 34
11. DISASSEMBLY INSTRUCTIONS ···················· 59

Mitsubishi Electric MUZ-HM24NA-U1 Specifications

General

Brand	Mitsubishi Electric
Model	MUZ-HM24NA-U1
Category	Air Conditioner
Language	English

Summary

Specifications

Wiring Diagram

Refrigerant System Diagram

Data

7-1. Performance Data

Details cooling and heating performance data for various models.

7-3. Heating Capacity

Performance data for heating capacity under different conditions.

7-4. Performance Curve Cooling

7-5. Performance Curve Heating

7-6. Standard Operation Data

Actuator Control

Troubleshooting

10-1. Cautions on Troubleshooting

Important precautions and procedures before and during troubleshooting.

10-2. Failure Mode Recall Function

10-3. Troubleshooting Check Table

A table linking LED indications to abnormal points, conditions, and remedies.

10-4. Trouble Criterion of Main Parts

Criteria for checking the resistance and condition of major components.

10-5. Troubleshooting Flow

Step-by-step guides for diagnosing and resolving specific issues.

10-6. Test Point Diagram and Voltage

Disassembly Instructions