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Mitsubishi Electric PEFY Series User Manual

Mitsubishi Electric PEFY Series
36 pages
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Air-Conditioners For Building Application
TECHNICAL & SERVICE MANUAL
Model name
<Indoor unit>
Model name
<Indoor unit>
PEFY-P-NMHU-E2
Series PEFY
2013
INDOOR UNIT
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Mitsubishi Electric PEFY Series Specifications

General IconGeneral
BrandMitsubishi Electric
ModelPEFY Series
CategoryAir Conditioner
LanguageEnglish

Summary

Mitsubishi Electric PEFY-P-NMHU-E2 Technical Service Manual

Safety Precautions

Installation and Electrical Work Safety

Critical safety guidelines for unit installation and electrical connections.

Warning and Caution Symbol Explanations

Meanings of warning symbols used in the manual and on the unit.

R410A Refrigerant Handling Precautions

Unit Features and Models

Part Names and Functions Overview

Indoor Unit Component Identification

Identifies and describes the main parts of the indoor unit.

Remote Controller Operation and Buttons

Details the buttons and basic operation of the remote controller.

Remote Controller Display Indicators

Explains the various indicators and symbols shown on the display.

Unit Specifications

General Unit Specifications

Lists cooling/heating capacity, dimensions, weight, and noise levels.

Electrical Component Specifications

Details specifications for electrical parts like thermistors and fuses.

Outlines and Dimensions

Wiring Diagram and Connections

Refrigerant System Diagram

Troubleshooting and Diagnostics

Component Testing Procedures

Guides on testing unit parts like thermistors and motors.

Address Switch Setting

Instructions for configuring the indoor unit address.

Dip-Switch Settings at Delivery

Configuration settings for dip-switches upon initial setup.

Test Run and Operation Checks

Steps and checks for performing a unit test run.

Indoor Unit Service Board LED Indicators

Explains the diagnostic functions of LEDs on the service board.

Disassembly Procedures

Service Panel Removal and Access

Steps to remove service panels for internal access.

Control Box Removal and Servicing

Procedures for accessing and disassembling the control box.

Fan Assembly Disassembly Steps

Detailed steps for removing the fan motor and components.

LEV and Pipe Thermistor Removal

Instructions for removing the LEV and associated thermistors.

Drain Pump and Sensor Disassembly

Procedures for removing the drain pump and sensor.

Drain Pan Removal Instructions

Steps to remove the unit's drain pan.

Heat Exchanger Removal Process

Guidance on how to remove the heat exchanger.

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