Mitsubishi Electric PKFY-P15VLM-E.TH User Manual

TECHNICAL & SERVICE MANUAL
CONTENTS
1. SAFETY PRECAUTION
..........................
2
2. PARTS NAMES AND FUNCTIONS
........
4
3. SPECIFICATION
...................................
13
4. NOISE CRITERION CURVES
...............
18
5. OUTLINES AND DIMENSIONS
............
22
6. WIRING DIAGRAM
...............................
24
7. REFRIGERANT SYSTEM DIAGRAM
........
25
8. TROUBLESHOOTING
..........................
25
9. DISASSEMBLY PROCEDURE
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33
Indoor unit
[Model Name] [Service Ref.]
INDOOR UNIT
R410A
Model name
indication
PARTS CATALOG (OCB710)
No. OCH710
April 2019
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
PKFY-P10VLM-E
PKFY-P10VLM-ET
PKFY-P10VLM-E.TH
PKFY-P10VLM-ET.TH
PKFY-P15VLM-E
PKFY-P15VLM-DA
PKFY-P15VLM-TH
PKFY-P15VLM-ET
PKFY-P15VLM-E.TH
PKFY-P15VLM-DA.TH
PKFY-P15VLM-TH.TH
PKFY-P15VLM-ET.TH
PKFY-P20VLM-E
PKFY-P20VLM-DA
PKFY-P20VLM-TH
PKFY-P20VLM-ET
PKFY-P20VLM-E.TH
PKFY-P20VLM-DA.TH
PKFY-P20VLM-TH.TH
PKFY-P20VLM-ET.TH
PKFY-P25VLM-E
PKFY-P25VLM-DA
PKFY-P25VLM-TH
PKFY-P25VLM-ET
PKFY-P25VLM-E.TH
PKFY-P25VLM-DA.TH
PKFY-P25VLM-TH.TH
PKFY-P25VLM-ET.TH
PKFY-P32VLM-E
PKFY-P32VLM-DA
PKFY-P32VLM-TH
PKFY-P32VLM-ET
PKFY-P32VLM-E.TH
PKFY-P32VLM-DA.TH
PKFY-P32VLM-TH.TH
PKFY-P32VLM-ET.TH
PKFY-P40VLM-E
PKFY-P40VLM-DA
PKFY-P40VLM-TH
PKFY-P40VLM-ET
PKFY-P40VLM-E.TH
PKFY-P40VLM-DA.TH
PKFY-P40VLM-TH.TH
PKFY-P40VLM-ET.TH
PKFY-P50VLM-E
PKFY-P50VLM-DA
PKFY-P50VLM-TH
PKFY-P50VLM-ET
PKFY-P50VLM-E.TH
PKFY-P50VLM-DA.TH
PKFY-P50VLM-TH.TH
PKFY-P50VLM-ET.TH

Mitsubishi Electric PKFY-P15VLM-E.TH Specifications

General

Series	PKFY
Power Supply	220-240 V, 50 Hz
Refrigerant	R32
Outdoor Unit Weight	32 kg
Outdoor unit dimensions (H x W x D)	550 x 285 mm

Summary

Safety Precautions

R410A Refrigerant Tools

Lists specialized tools required for handling R410A refrigerant safely and effectively.

Cautions for Service

Additional Refrigerant Charge

Service Tools

Specific tools recommended for use with R410A refrigerant systems.

Specification

Wiring Diagram

Indoor Unit Wiring Diagram

Refrigerant System Diagram

Refrigerant Flow and Components

Illustrates the refrigerant circuit and key components within the system.

Troubleshooting

Part Inspection Procedures

Guides on checking the resistance and functionality of various unit components.

Thermistor Characteristic Checks

Linear Expansion Valve Operation and Checks

DC Fan Motor Troubleshooting

Procedure for diagnosing and resolving issues with the indoor fan motor.

Component Failure Troubleshooting

Addresses common faults like operation circuit failure, valve issues, and connection problems.

Dip Switch Functions and Settings

Indoor Controller Board Test Points

Identifies key test points on the indoor controller board for diagnosis.

Other PCB Test Points

Identifies test points on wireless remote controller, switch, LED, and address boards.

Disassembly Procedure