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Mitsubishi Electric SLZ-KF09NA1 User Manual

Mitsubishi Electric SLZ-KF09NA1
54 pages
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TECHNICAL & SERVICE MANUAL
CONTENTS
1. REFERENCE MANUAL
......................
2
2. SAFETY PRECAUTION ......................2
3. PARTS NAMES AND FUNCTIONS
.....
6
4. SPECIFICATIONS
...............................
7
5. OUTLINES AND DIMENSIONS
...........
9
6. WIRING DIAGRAM
............................
10
7.
REFRIGERANT SYSTEM DIAGRAM
.....
11
8. TROUBLESHOOTING
.......................
12
9. SPECIAL FUNCTION
........................
26
10. 4-WAY AIRFLOW SYSTEM
...............
27
11. DISASSEMBLY PROCEDURE
..........
29
12. REMOTE CONTROLLER
..................
33
Indoor unit
[Model Name] [Service Ref.]
SLZ-KF09NA1
SLZ-KF12NA1
SLZ-KF15NA1
SLZ-KF18NA1
INDOOR UNIT
Model name
indication
SLZ-KF09NA1
SLZ-KF12NA1
SLZ-KF15NA1
SLZ-KF18NA1
WIRED REMOTE CONTROLLER
(Option)
PARTS CATALOG (TCB118)
SPLIT-SYSTEM HEAT PUMP
WIRELESS REMOTE
CONTROLLER
(Option)
No. TCH118
April 2023
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Mitsubishi Electric SLZ-KF09NA1 Specifications

General IconGeneral
SeriesSLZ-KF
TypeCeiling Cassette
Coefficient of Performance (COP)3.8
RefrigerantR410A
Voltage208-230 V
Coefficient of Performance (Heating)3.8
Cooling Capacity (BTU)9, 000 BTU/h
Energy Efficiency Ratio (EER)12.5
Power Supply1-Phase
Energy Efficiency Ratio (Cooling)12.5
Indoor Unit Weight9 kg
Outdoor Unit Weight32 kg

Summary

Mitsubishi Electric Split-System Heat Pump Technical & Service Manual

Reference Manual

Safety Precautions and Refrigerant Handling

Essential safety guidelines and specific warnings for R410A refrigerant.

Service Operations and Precautions

Warnings for Service Operations

General Service Warnings

Critical warnings and prohibitions for service personnel.

Service Tools and Equipment

Troubleshooting and Diagnostics

Troubleshooting Overview and Error Codes

General approach, diagnostic methods, and identification of error codes.

Self-Diagnosis Action Table

Detailed table correlating check codes with causes and countermeasures.

Troubleshooting Main Parts

Specific troubleshooting steps for key components like thermistors and motors.

Disassembly Procedures

Remote Controller Operations and Settings

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