Mitsubishi SUZ-KA24NAH2 User Manual

SERVICE MANUAL
R410A
Outdoor unit
[Model Name]
SUZ-KA18NA2
SUZ-KA18NAH2
SUZ-KA24NA
SUZ-KA24NAH2
SUZ-KA30NA
SUZ-KA30NAH2
SUZ-KA36NA
SUZ-KA36NAH2
[Service Ref.]
SUZ-KA18NA(H)2.TH
SUZ-KA24NA(H)2.TH
SUZ-KA30NA(H)2.TH
SUZ-KA36NA(H)2.TH
PARTS CATALOG (OCB688)
CONTENTS
1. COMBINATION OF INDOOR AND OUTDOOR UNITS
...
2
2. PART NAMES AND FUNCTIONS
......................
2
3. SPECIFICATION
.................................................
3
4. OUTLINES AND DIMENSIONS
..........................
4
5. WIRING DIAGRAM
............................................
5
6. REFRIGERANT SYSTEM DIAGRAM
................
9
7. DATA
..................................................................
11
8. ACTUATOR CONTROL
.....................................
14
9. SERVICE FUNCTIONS
......................................
15
10. TROUBLESHOOTING
.......................................
15
11. FUNCTION SETTING
........................................
32
12. DISASSEMBLY INSTRUCTIONS
......................
35
Note:
• This manual describes service
data of the outdoor units only.
No. OCH688
REVISED EDITION-A
May 2019
SPLIT-TYPE, AIR CONDITIONERS
SUZ-KA18NA(H)2.TH
Revision:
• Some descriptions
have been modified in
REVISED EDITION-A.
OCH688 is void.

Mitsubishi SUZ-KA24NAH2 Specifications

General

Brand	Mitsubishi
Model	SUZ-KA24NAH2
Category	Air Conditioner
Language	English

Summary

Specification

Wiring Diagram

Refrigerant System Diagram

Actuator Control

Sensor and Actuator Relationship

Service Functions

Change in Defrost Setting

Pre-Heat Control Setting

Troubleshooting

Cautions on Troubleshooting

Important safety precautions and checks before performing troubleshooting.

Troubleshooting Check Table

Lists symptoms, check codes, conditions, and remedies for various errors.

Self-Diagnosis and Controller Checks

Covers self-diagnosis via wired/wireless remotes and controller communication checks.

Main Part Trouble Criteria

Lists main parts and their resistance/voltage criteria for troubleshooting.

Detailed Troubleshooting Flows

Comprehensive guides for diagnosing specific system components and errors.

Test Point Diagram and Voltage

Function Setting

Unit Function Setting by Remote Controller

Wired Remote Controller Function Selection

Function Setting Procedure

Disassembly Instructions

Cabinet and Panel Removal

Inverter Assembly and P.C. Board Removal

Detailed steps for removing the inverter assembly and P.C. board.

Compressor and 4-Way Valve Removal