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SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
TECHNICAL & SERVICE MANUAL
<Outdoor unit>
[Model Name]
[Service Ref.]
PUMY-SP112VKM2.TH
PUMY-SP112VKM2
PUMY-SP112VKM2-ET.TH
PUMY-SP112VKM2-ET
PUMY-SP112VKM2-ER.TH
PUMY-SP112VKM2-ER
PUMY-SP125VKM2.TH
PUMY-SP125VKM2
PUMY-SP125VKM2-ET.TH
PUMY-SP125VKM2-ET
PUMY-SP125VKM2-ER.TH
PUMY-SP125VKM2-ER
PUMY-SP140VKM2.TH
PUMY-SP140VKM2
PUMY-SP140VKM2-ET.TH
PUMY-SP140VKM2-ET
PUMY-SP140VKM2-ER.TH
PUMY-SP140VKM2-ER
PUMY-SP112YKM2.TH
PUMY-SP112YKM2
PUMY-SP112YKM2-ET.TH
PUMY-SP112YKM2-ET
PUMY-SP112YKM2-ER.TH
PUMY-SP112YKM2-ER
PUMY-SP125YKM2.TH
PUMY-SP125YKM2
PUMY-SP125YKM2-ET.TH
PUMY-SP125YKM2-ET
PUMY-SP125YKM2-ER.TH
PUMY-SP125YKM2-ER
PUMY-SP140YKM2.TH
PUMY-SP140YKM2
PUMY-SP140YKM2-ET.TH
PUMY-SP140YKM2-ET
PUMY-SP140YKM2-ER.TH
PUMY-SP140YKM2-ER
Salt proof model
PUMY-SP112VKM2-BS.TH
PUMY-SP112VKM2-BS
PUMY-SP112VKM2-ET-BS.TH
PUMY-SP112VKM2-ET-BS
PUMY-SP112VKM2-ER-BS.TH
PUMY-SP112VKM2-ER-BS
PUMY-SP125VKM2-BS.TH
PUMY-SP125VKM2-BS
PUMY-SP125VKM2-ET-BS.TH
PUMY-SP125VKM2-ET-BS
PUMY-SP125VKM2-ER-BS.TH
PUMY-SP125VKM2-ER-BS
PUMY-SP140VKM2-BS.TH
PUMY-SP140VKM2-BS
PUMY-SP140VKM2-ET-BS.TH
PUMY-SP140VKM2-ET-BS
PUMY-SP140VKM2-ER-BS.TH
PUMY-SP140VKM2-ER-BS
PUMY-SP112YKM2-BS.TH
PUMY-SP112YKM2-BS
PUMY-SP112YKM2-ET-BS.TH
PUMY-SP112YKM2-ET-BS
PUMY-SP112YKM2-ER-BS.TH
PUMY-SP112YKM2-ER-BS
PUMY-SP125YKM2-BS.TH
PUMY-SP125YKM2-BS
PUMY-SP125YKM2-ET-BS.TH
PUMY-SP125YKM2-ET-BS
PUMY-SP125YKM2-ER-BS.TH
PUMY-SP125YKM2-ER-BS
PUMY-SP140YKM2-BS.TH
PUMY-SP140YKM2-BS
PUMY-SP140YKM2-ET-BS.TH
PUMY-SP140YKM2-ET-BS
PUMY-SP140YKM2-ER-BS.TH
PUMY-SP140YKM2-ER-BS
OUTDOOR UNIT
REVISED EDITION-A
CONTENTS
1. SAFETY PRECAUTION .................................... 2
2. OVERVIEW OF UNITS ...................................... 5
3. SPECIFICATIONS ........................................... 9
4. DATA ................................................................ 11
5. OUTLINES AND DIMENSIONS ...................... 26
6. WIRING DIAGRAM ......................................... 27
8. TROUBLESHOOTING .................................... 45
9. ELECTRICAL WIRING ................................... 121
10. REFRIGERANT PIPING TASKS .................... 127
11. DISASSEMBLY PROCEDURE ....................... 134
12. REMOTE CONTROLLER .............................. 141
PARTS CATALOG (TCB092)
HFC
utilized
R410A
April 2024
No. TCH092
Revision:
• Add new indoor model for
combination
TCH092 is void.
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Table of Contents
Related Manuals for Mitsubishi Electric CITY MULTI PUMY-SP140VKM2
Summarization of Contents
1 SAFETY PRECAUTION
1-1. CAUTIONS RELATED TO NEW REFRIGERANT
Cautions for units utilizing refrigerant R410A.
2 SYSTEM CONSTRUCTION
2-1. SYSTEM CONSTRUCTION
Outlines the system construction for outdoor units and applicable indoor units.
2-2. SYSTEM CONSTRUCTION (BRANCH BOX SYSTEM)
Details system construction using branch box configurations.
2-3. SYSTEM CONSTRUCTION (MIXED SYSTEM)
Details system construction for mixed systems.
2-4. SYSTEM SPECIFICATIONS
Lists detailed specifications for outdoor units, including capacity and operating ranges.
4 DATA
4-1. SELECTION OF COOLING/HEATING UNITS
Guidelines and calculations for selecting appropriate cooling and heating units.
4-2. CORRECTION BY TEMPERATURE
Methods for correcting unit capacity based on temperature variations.
7 NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
7-1. TRANSMISSION SYSTEM SETUP
Details the necessary setup for the transmission system, including wiring and addresses.
7-3. REFRIGERANT SYSTEM DIAGRAM
Diagram illustrating the refrigerant flow and components within the system.
8 TROUBLESHOOTING
8-1. CHECKPOINTS FOR TEST RUN
Procedures and checks to perform before initiating a test run of the system.
8-1-2. Countermeasures for Error During Test Run
Lists common error codes and their corresponding countermeasures for during test runs.
8-2. THE FOLLOWING SYMPTOM DO NOT REPRESENT TROUBLE (EMERGENCY)
Lists normal operating symptoms that may appear unusual but are not errors.
9 ELECTRICAL WIRING
9-1. OVERVIEW OF POWER WIRING
Provides an introduction to power wiring considerations and general notes.
9-2. WIRING OF MAIN POWER SUPPLY AND EQUIPMENT CAPACITY
Covers wiring diagrams for main power supply and equipment capacity.
9-4. WIRING TRANSMISSION CABLES
Details the types of control cables used for transmission.
9-5. SYSTEM SWITCH SETTING
Explains how to set system switches for identification and operation.
9-6. EXAMPLE EXTERNAL WIRING DIAGRAM FOR A BASIC SYSTEM (USING PUMY-SP·YKM)
Provides external wiring diagrams for basic system configurations.
10 REFRIGERANT PIPING TASKS
10-1. REFRIGERANT PIPING SYSTEM
Explains the refrigerant piping system, including line-branch and header-branch methods.
10-2. REFRIGERANT PIPING SYSTEM (WHEN USING BRANCH BOX)
Details refrigerant piping for systems using branch boxes.
10-3. PRECAUTIONS AGAINST REFRIGERANT LEAKAGE
Details precautions to prevent refrigerant leakage and ensure safe concentration levels.
12 REMOTE CONTROLLER
12-1. REMOTE CONTROLLER FUNCTIONS
Explains the functions and buttons of the remote controller interface.
12-2. ERROR INFORMATION
How to check and reset error information displayed on the remote controller.
12-3. SERVICE MENU
Guide to accessing and using the service menu for advanced settings and diagnostics.
12-4. TEST RUN
Procedure for performing test runs on the system using the remote controller.
12-5. FUNCTION SETTING
How to configure various functions using the remote controller.
12-6. ERROR HISTORY
How to view and delete the recorded error history from the remote controller.
12-7. SELF-DIAGNOSIS
Instructions for performing self-diagnosis on the unit and interpreting results.
12-8. REMOTE CONTROLLER CHECK
Procedure to check the functionality and communication of the remote controller.
12-9. SPECIAL FUNCTION OPERATION SETTING
How to set special functions like group settings and interlocked LOSSNAY operations.
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