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Mitsubishi Electric PURY-EP250YLM-A User Manual

Mitsubishi Electric PURY-EP250YLM-A
434 pages
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AIR CONDITIONER
2015
Service Handbook
PURY-P200, P250, P300, P350, P400, P450, P500YLM-A(1)
PURY-P400, P450, P500, P550, P600, P650, P700, P750, P800, P850, P900YSLM-A(1)
PURY-EP200, EP250, EP300, EP350, EP400, EP450, EP500YLM-A
PURY-EP500, EP550, EP600, EP650, EP700, EP750, EP800, EP850, EP900YSLM-A
Model

Table of Contents

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Mitsubishi Electric PURY-EP250YLM-A Specifications

General IconGeneral
Cooling Capacity25.0 kW
Heating Capacity28.0 kW
RefrigerantR410A
Sound Pressure Level (Outdoor Unit)62 dB(A)
Net Weight (Outdoor Unit)180 kg
Dimensions (Outdoor Unit)1338 x 1050 x 330 mm
Power Supply380-415V, 50Hz
Operating Temperature Range (Cooling)-5 to 46°C
Operating Temperature Range (Heating)-20 ~ +15.5 °C

Summary

Chapter 1 Check Before Servicing

1-4 Precautions for Wiring

Safety guidelines for working with control boxes, electrical parts, and wiring connections.

Chapter 2 Restrictions

2-9 Example System with an MA and an ME Remote Controller

Sample control wiring and cautions for systems with both MA and ME remote controllers.

Chapter 3 Major Components, Their Functions and Refrigerant Circuits

3-3 Functions of the Major Components of Outdoor Unit

Detailed description of the functions of major outdoor unit components like compressors and sensors.

3-7 Functions of the Major Components of BC Controller

Explanation of functions for BC controller components like pressure sensors and thermistors.

Chapter 4 Electrical Components and Wiring Diagrams

4-3 Outdoor Unit Electrical Wiring Diagrams

Electrical wiring diagram for outdoor units.

4-7 BC Controller Electrical Wiring Diagrams

Electrical wiring diagrams for BC controllers.

Chapter 7 Troubleshooting Using Error Codes

7-1 Error Code and Preliminary Error Code Lists

Lists error codes and their preliminary codes for troubleshooting.

7-2 Error Code Definitions and Solutions: Codes [0 - 999]

Definitions and solutions for error codes in the 0-999 range.

7-3 Error Code Definitions and Solutions: Codes [1000 - 1999]

Definitions and solutions for error codes in the 1000-1999 range.

7-4 Error Code Definitions and Solutions: Codes [2000 - 2999]

Definitions and solutions for error codes in the 2000-2999 range.

7-5 Error Code Definitions and Solutions: Codes [3000 - 3999]

Definitions and solutions for error codes in the 3000-3999 range.

7-6 Error Code Definitions and Solutions: Codes [4000 - 4999]

Definitions and solutions for error codes in the 4000-4999 range.

7-7 Error Code Definitions and Solutions: Codes [5000 - 5999]

Definitions and solutions for error codes in the 5000-5999 range.

7-8 Error Code Definitions and Solutions: Codes [6000 - 6999]

Definitions and solutions for error codes in the 6000-6999 range.

7-9 Error Code Definitions and Solutions: Codes [7000 - 7999]

Definitions and solutions for error codes in the 7000-7999 range.

Chapter 8 Troubleshooting Based on Observed Symptoms

8-6 Troubleshooting Solenoid Valve Problems

Troubleshooting guide for solenoid valve issues.

8-8 Troubleshooting LEV Problems

Troubleshooting guide for LEV (Linear Expansion Valve) issues.

8-10 Troubleshooting Inverter Problems

Troubleshooting guide for inverter-related problems.

8-12 Measures for Refrigerant Leakage

Procedures for identifying and measuring refrigerant leaks.

8-14 Solenoid Valve Block and Check Valve Replacement Instructions

Procedures for replacing solenoid valve blocks and check valves.

Chapter 9 LED Status Indicators on the Outdoor Unit Circuit Board

9-2 LED Status Indicators Table

Table detailing LED status indicators and their corresponding current data, display, and remarks.

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