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Mitsubishi Electric CITY MULTI PFFY-P25VCM-E User Manual

Mitsubishi Electric CITY MULTI PFFY-P25VCM-E
39 pages
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Mitsubishi Electric CITY MULTI PFFY-P25VCM-E Specifications

General IconGeneral
BrandMitsubishi Electric
ModelCITY MULTI PFFY-P25VCM-E
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

Precautions for Handling R410A

Components and Functions

Remote Controller Operation

Explanation of the remote controller buttons and their functions.

Wiring Diagrams

PFFY Series Wiring Configuration

Electrical wiring diagram for PFFY-P20 to P63VCM-E models.

Troubleshooting Guide

Component Check Procedures

Methods for checking thermistors and other components.

Linear Expansion Valve (LEV) Function

Explanation of LEV operation and its connection to the control board.

LEV Troubleshooting and Remedies

Identifies LEV symptoms, checks, and solutions for common issues.

LEV Valve and Connection Faults

Troubleshooting leaky LEV valves and potential connector issues.

DC Fan Motor Diagnostics

Steps to diagnose and resolve indoor fan motor non-operation.

Control Board Test Points

Location and description of voltage test points on the control board.

Disassembly and Servicing

Control Box Removal and Access

Steps to remove the control box cover and access internal switches and wiring.

LEV and Piping Sensor Removal

Instructions for removing the LEV and liquid/gas pipe thermistors.

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