Mitsubishi Electric City Multi PUMY-SP125VKM User Manual

TECHNICAL & SERVICE MANUAL
OUTDOOR UNIT
HFC
utilized
R410A
April 2018
Note:
•
This service manual describes
technical data of the outdoor
units only.
<Outdoor unit>
[Model Name]
PARTS CATALOG (OCB668)
PUMY-SP112VKM
PUMY-SP112VKM.TH PUMY-SP112VKMR1.TH
PUMY-SP125VKM
PUMY-SP125VKM.TH PUMY-SP125VKMR1.TH
PUMY-SP140VKM
PUMY-SP140VKM.TH PUMY-SP140VKMR1.TH
PUMY-SP112YKM
PUMY-SP112YKM.TH PUMY-SP112YKMR1.TH
PUMY-SP125YKM
PUMY-SP125YKM.TH PUMY-SP125YKMR1.TH
PUMY-SP140YKM
PUMY-SP140YKM.TH PUMY-SP140YKMR1.TH
Salt proof model
[Service Ref.]
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
7. NECESSARY CONDITIONS FOR SYSTEM CONSTRUCTION
.....
29
8. TROUBLESHOOTING
....................................
47
9. ELECTRICAL WIRING
...................................
124
10. REFRIGERANT PIPING TASKS
....................
130
11. DISASSEMBLY PROCEDURE
.......................
137
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
PUMY-SP112VKM-BS
PUMY-SP112VKM.TH-BS PUMY-SP112VKMR1.TH-BS
PUMY-SP125VKM-BS
PUMY-SP125VKM.TH-BS PUMY-SP125VKMR1.TH-BS
PUMY-SP140VKM-BS
PUMY-SP140VKM.TH-BS PUMY-SP140VKMR1.TH-BS
PUMY-SP112YKM-BS
PUMY-SP112YKM.TH-BS PUMY-SP112YKMR1.TH-BS
PUMY-SP125YKM-BS
PUMY-SP125YKM.TH-BS PUMY-SP125YKMR1.TH-BS
PUMY-SP140YKM-BS
PUMY-SP140YKM.TH-BS PUMY-SP140YKMR1.TH-BS
No. OCH668
REVISED EDITION-B
Revision:
•Added
PUMY-SP112VKMR1.TH,
PUMY-SP125VKMR1.TH,
PUMY-SP140VKMR1.TH,
PUMY-SP112YKMR1.TH,
PUMY-SP125YKMR1.TH and
PUMY-SP140YKMR1.TH
in REVISED EDITION-B.
•Someotherdescriptionshave
been also modified.
OCH668 REVISED EDITION-A
is void.

Mitsubishi Electric City Multi PUMY-SP125VKM Specifications

General

Series	City Multi
Outdoor Unit Model	PUMY-SP125VKM
Cooling Capacity	12.5 kW
Heating Capacity	14.0 kW
Refrigerant	R410A
Operating Temperature (Cooling)	-5 to 46 °C
Indoor Unit Compatibility	Compatible with various City Multi indoor units
Power Supply	380-415V, 50Hz, 3-Phase
Operating Temperature (Heating)	-15°C to 24°C

Summary

SAFETY PRECAUTION

CAUTIONS RELATED TO NEW REFRIGERANT

Cautions for units utilizing R410A refrigerant.

OVERVIEW OF UNITS

UNIT SPECIFICATIONS

Technical specifications for outdoor units.

SPECIFICATIONS

DATA

PIPING LENGTH CAPACITY CORRECTION

Adjusting capacity for piping length variations.

WIRING DIAGRAM

SYSTEM CONSTRUCTION CONDITIONS

M-NET REMOTE CONTROLLER SETTINGS

Special functions and settings for M-NET remote controllers.

TROUBLESHOOTING

CHECK POINTS FOR TEST RUN

Procedures and checks before performing a test run.

PART CHECK PROCEDURES

Procedures for checking various system parts.

COMPONENT CHECK PROCEDURES

Detailed checks for system components like thermistors.

ELECTRICAL WIRING

MAIN POWER SUPPLY & CAPACITY WIRING

Power supply wiring and capacity details.

REFRIGERANT PIPING TASKS

REFRIGERANT PIPING SYSTEM

Details of the refrigerant piping system.

REFRIGERANT PIPING (BRANCH BOX SYSTEM)

REFRIGERANT LEAKAGE PRECAUTIONS

Precautions to take against refrigerant leakage.

DISASSEMBLY PROCEDURE

REMOVING COMPRESSOR AND ACCUMULATOR