Mitsubishi Electric PURY-EP550YSHM-A1 Manuals

Manuals and User Guides for Mitsubishi Electric PURY-EP550YSHM-A1. We have 1 Mitsubishi Electric PURY-EP550YSHM-A1 manual available for free PDF download: Service Handbook

Mitsubishi Electric PURY-EP550YSHM-A1 Service Handbook

Mitsubishi Electric PURY-EP550YSHM-A1 Service Handbook (362 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 14.78 MB

Table of Contents

Safety Precautions
2
Before Installing the Unit
5
Table of Contents
8
1 I Read before Servicing

12
- Read before Servicing
  12
I Read before Servicing

12
- Necessary Tools and Materials
  13
- Piping Materials
  14
- Storage of Piping
  16
- Pipe Processing
  16
- Brazing
  17
- Air Tightness Test
  18
- Vacuum Drying (Evacuation)
  19
- Refrigerant Charging
  21
- Remedies to be Taken in Case of a Refrigerant Leak
  21
- Characteristics of the Conventional and the New Refrigerants
  22
- Notes on Refrigerating Machine Oil
  23
- Restrictions
  24
2 II Restrictions

26
3 III Outdoor Unit Components

66
- Outdoor Unit Components and Refrigerant Circuit
  66
- Refrigerant Circuit
  67
- Control Box of the Outdoor Unit
  69
- Outdoor Unit Circuit Board
  70
- Fan Board
  73
- BC Controller Components
  75
- Control Box of the BC Controller
  78
- BC Controller Circuit Board
  79
4 Remote Controller

82
5 Electrical Wiring Diagram

92
6 Refrigerant Circuit

104
- Refrigerant Circuit Diagram
  106
- Principal Parts and Functions
  113
7 Control

122
- Functions and Factory Settings of the Dipswitches
  124
- Controlling the Outdoor Unit
  130
- Defrost Operation Control
  133
- Controlling BC Controller
  143
- Operation Flow Chart
  144
8 Test Run Mode

150
9 IX Troubleshooting

196
- Error Code Lists
  196
- Responding to Error Display on the Remote Controller
  199
- Error Code
  230
- Investigation of Transmission Wave Shape/Noise
  266
- Troubleshooting Principal Parts
  269
  - Pressure Sensor
    277
  - Temperature Sensor
    279
  - Indoor Unit
    296
- Refrigerant Leak
  298
- Compressor Replacement Instructions
  300
- Servicing the BC Controller
  311
- Troubleshooting Using the Outdoor Unit LED Error Display
  314
10 LED Monitor Display on the Outdoor Unit Board

316
- How to Read the LED on the Service Monitor
  318

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