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Mitsubishi Electric PKFY-P06NLMU-E User Manual

Mitsubishi Electric PKFY-P06NLMU-E
38 pages
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TECHNICAL & SERVICE MANUAL
CONTENTS
1. SAFETY PRECAUTION
..........................
2
2. PARTS NAMES AND FUNCTIONS
........
4
3. SPECIFICATION
...................................
12
4. NOISE CRITERION CURVES
...............
15
5. OUTLINES AND DIMENSIONS
............
17
6. WIRING DIAGRAM
...............................
19
7. REFRIGERANT SYSTEM DIAGRAM
........
20
8. MICROPROCESSOR CONTROL
.........
20
9. TROUBLESHOOTING
..........................
27
10. DISASSEMBLY PROCEDURE
...........
35
Indoor unit
[Model Name] [Service Ref.]
INDOOR UNIT
R410A
Model name
indication
PARTS CATALOG (OCB715)
No. OCH715
March 2020
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
PKFY-P04NLMU-E
PKFY-P04NLMU-E.TH
PKFY-P06NLMU-E
PKFY-P06NLMU-E.TH
PKFY-P08NLMU-E
PKFY-P08NLMU-E.TH
PKFY-P12NLMU-E
PKFY-P12NLMU-E.TH
PKFY-P15NLMU-E
PKFY-P15NLMU-E.TH
PKFY-P18NLMU-E
PKFY-P18NLMU-E.TH
Note:
• This manual describes
service data of the indoor
units only.

Table of Contents

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Mitsubishi Electric PKFY-P06NLMU-E Specifications

General IconGeneral
BrandMitsubishi Electric
ModelPKFY-P06NLMU-E
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

Parts Names and Functions

Indoor Unit

Details the components and parts of the indoor unit.

Wired Remote Controller <PAR-40MAA>

Details the functions and features of the wired remote controller.

Menu Structure

Outlines the navigation and options available in the remote controller menu system.

Specifications

General Specifications

Provides detailed technical specifications for various indoor unit models.

Electrical Parts Specifications

Lists specifications for the electrical components used in the indoor units.

Noise Criterion Curves

Outlines and Dimensions

Wiring Diagram

Refrigerant System Diagram

Microprocessor Control

Cool Operation

Details how to operate the unit in Cool mode using the remote controller.

Dry Operation

Explains the operation and control logic for DRY mode.

Fan Operation

Details the operation and control logic for FAN mode.

Heat Operation

Explains the operation and control logic for HEAT mode.

Auto Operation

Describes the automatic changeover operation between COOL and HEAT modes.

When Unit Is Stopped Control Mode

Explains control logic when the unit is stopped.

Troubleshooting

How to Check the Parts

Provides methods for checking various parts for troubleshooting.

Function of Dip Switch

Explains the functions and settings of the DIP switches.

Test Point Diagram

Provides diagrams showing test points for diagnostics.

Disassembly Procedure

Removing the Panel

Step-by-step guide to remove the front panel and corner box.

Removing the Electrical Box

Instructions for removing the electrical box covers and disconnecting wiring.

Removing the Address Board, the Indoor Controller Board, the Wireless Controller Board, LED Board

Details the removal of internal electronic boards and components.

Removing the Nozzle Assembly (with Vane and Vane Motor) and Drain Hose

Guide to removing the nozzle assembly and drain hose.

Removing the Vane Motor

Step-by-step instructions for removing the vane motors.

Removing the Indoor Fan Motor and the Line Flow Fan

Procedures for removing the indoor fan motor and line flow fan.

Removing the Liquid Pipe Thermistor and Gas Pipe Thermistor

Instructions for removing pipe thermistors and their connectors.

Removing the Heat Exchanger and LEV

Steps to remove the heat exchanger and linear expansion valve (LEV).

Removing the Room Temperature Thermistor

Guide to removing the room temperature thermistor and its connector.

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