Mitsubishi Electric PLFY-P05NFMU-E User Manual

Indoor unit
[Model Name] [Service Ref.]
PLFY-P05NFMU-E.TH
PLFY-P08NFMU-E.TH
PLFY-P12NFMU-E.TH
PLFY-P15NFMU-E.TH
PLFY-P18NFMU-E.TH
PLFY-P05NFMU-E
PLFY-P08NFMU-E
PLFY-P12NFMU-E
PLFY-P15NFMU-E
PLFY-P18NFMU-E
R410A
TECHNICAL & SERVICE MANUAL
March 2018
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CONTENTS
1. SAFETY PRECAUTION
..........................
2
2. PARTS NAMES AND FUNCTIONS
........
4
3. SPECIFICATIONS
.................................
12
4. 4-WAY AIR FLOW SYSTEM
.................
14
5. OUTLINES AND DIMENSIONS
............
16
6. WIRING DIAGRAM
...............................
17
7.
REFRIGERANT SYSTEM DIAGRAM
......
18
8. TROUBLESHOOTING
..........................
19
9. DISASSEMBLY PROCEDURE
.............
27
PARTS CATALOG (OCB604)

Mitsubishi Electric PLFY-P05NFMU-E Specifications

General

Brand	Mitsubishi Electric
Model	PLFY-P05NFMU-E
Category	Air Conditioner
Language	English

Summary

SAFETY PRECAUTION

CAUTIONS RELATED TO NEW REFRIGERANT

Provides essential warnings regarding the use of new refrigerants.

SERVICE CAUTIONS

Details important precautions for performing service operations.

PARTS NAMES AND FUNCTIONS

INDOOR UNIT COMPONENTS

Identifies and describes the parts of the indoor unit.

WIRED REMOTE CONTROLLERS

Explains the functions and operation of the wired remote controllers.

WIRELESS REMOTE CONTROLLER

Details the functions and operation of the wireless remote controller.

SPECIFICATIONS

UNIT SPECIFICATIONS

Lists the detailed technical specifications for the air conditioning units.

ELECTRICAL PARTS SPECIFICATIONS

Details the specifications of electrical components used in the units.

AIR FLOW SYSTEM

FRESH AIR INTAKE

Covers fresh air intake location and airflow characteristics.

AIRFLOW CHARACTERISTICS

Provides data on fresh air intake volume and static pressure.

DUCT FAN OPERATION

Explains the operation of the unit in conjunction with a duct fan.

HORIZONTAL VANE ADJUSTMENT

Details the procedure for fixing the horizontal vane position.

OUTLINES AND DIMENSIONS

WIRING DIAGRAM

REFRIGERANT SYSTEM DIAGRAM

TROUBLESHOOTING

ERROR CODE COUNTERMEASURES

Provides countermeasures for error codes detected during test runs.

PART CHECK PROCEDURES

Details methods for checking the functionality of various unit parts.

DIP SWITCH FUNCTIONS

Explains the functions and settings of the unit's dip switches.

TEST POINT DIAGRAM

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

DISASSEMBLY PROCEDURE