Mitsubishi PUHY-EP250 Manuals

Mitsubishi PUHY-EP250 Manuals

Manuals and User Guides for Mitsubishi PUHY-EP250. We have 1 Mitsubishi PUHY-EP250 manual available for free PDF download: Service Handbook

Mitsubishi PUHY-EP250 Service Handbook

Mitsubishi PUHY-EP250 Service Handbook (298 pages)

Brand: Mitsubishi | Category: Air Conditioner | Size: 15.61 MB

Table of Contents

Chapter 1 Piping Work

8
- Safety Precautions
  2
- Table of Contents
  8
- Preparation for Piping Work
  12
- Read before Servicing
  12
- Tool Preparation
  13
  - Handling and Characteristics of Piping Materials, Refrigerant, and Refrigerant Oil
    14
- Piping Materials
  14
- Pipe Processing
  16
- Storage of Piping Materials
  16
- Characteristics of the New and Conventional Refrigerants
  17
- Refrigerant Oil
  18
  - Working with Refrigerant Piping
    19
- Pipe Brazing
  19
- Air Tightness Test
  20
- Vacuum Drying
  21
- Refrigerant Charging
  22
Chapter 2 Restrictions

24
Chapter 3 Major Components, Their Functions and Refrigerant Circuits

58
Chapter 4 Electrical Components and Wiring Diagrams

70
- Outdoor Unit Circuit Board Arrangement
  72
- Outdoor Unit Control Box
  72
- Fan Box
  73
- Control Board
  74
- Outdoor Unit Circuit Board Components
  74
- M-NET Board (Transmission Power Supply Board)
  75
- INV Board
  76
- Fan Board
  77
- Noise Filter
  78
- Connect Board
  79
- Outdoor Unit Electrical Wiring Diagrams
  80
- Transmission Booster Electrical Wiring Diagrams
  82
Chapter 5 Control

84
- Dipswitch Functions and Factory Settings
  86
- Outdoor Unit Switch Functions and Factory Settings
  86
- Indoor Unit Switch Functions and Factory Settings
  89
- Remote Controller Switch Functions and Factory Settings
  90
- Initial Control
  92
- Outdoor Unit Control
  92
- Overview
  92
- Rotation Control
  92
- Startup Control
  92
- Refrigerant Bypass Control
  93
- Frequency Control
  94
- Defrost Operation Control
  95
- Refrigerant Recovery Control
  97
- Control at Initial Startup
  98
- Outdoor Unit Fan Control
  98
- Refrigerant Flow Control (Linear Expansion Valve 2)
  98
- Subcool Coil Control (Linear Expansion Valve 1)
  98
- Emergency Operation Mode
  101
- Demand Control
  104
- Operation Mode
  104
- Operation Flowcharts
  105
- Operation Sequence Flowchart
  105
- Actions Performed in Different Modes
  107
Chapter 6 Test Run

110
Chapter 7 Troubleshooting Using Error Codes

152
- Error Code and Preliminary Error Code Lists
  154
- Error Code Definitions and Solutions: Codes [0 - 999]
  157
- Error Code [0403]
  157
- Error Code Definitions and Solutions: Codes [1000 - 1999]
  158
- Error Code [1102]
  158
- Error Code [1301]
  159
- Error Code [1302] (During Operation)
  160
- Error Code [1302] (at Startup)
  161
- Error Code [1500]
  161
- Error Code Definitions and Solutions: Codes [2000 - 2999]
  162
- Error Code [2500] (Models with a Drain Sensor)
  162
- Error Code [2500] (Models with a Float Switch)
  163
- Error Code [2502] (Models with a Drain Sensor)
  164
- Error Code [2502] (Models with a Float Switch)
  165
- Error Code [2503]
  166
- Error Code [2600]
  167
- Error Code [2601]
  167
- Error Code Definitions and Solutions: Codes [3000 - 3999]
  168
- Error Code [3121]
  168
- Error Code Definitions and Solutions: Codes [4000 - 4999]
  169
- Error Code [4102]
  169
- Error Code [4106]
  170
- Error Code [4109]
  170
- Error Code [4115]
  171
- Error Code [4116]
  171
- Error Code [4121]
  172
- Error Codes [4220, 4225, 4226] Detail Code 108
  173
- Error Codes [4220, 4225, 4226] Detail Code 109
  175
- Error Codes [4220, 4225, 4226] Detail Code 111
  175
- Error Code [4230]
  176
- Error Codes [4220, 4225, 4226] Detail Code 131
  176
- Error Code [4240]
  177
- Error Codes [4250, 4255, 4256] Detail Code 101
  178
- Error Code [4250] Detail Codes 106 and 107
  179
- Error Codes [4250, 4255, 4256] Detail Code 104
  180
- Error Code [4260]
  181
- Error Codes [4250, 4255, 4256] Detail Code 105
  181
- Error Code Definitions and Solutions: Codes [5000 - 5999]
  182
- Error Codes [5101, 5102, 5103 5104]
  182
- Error Codes [5102, 5103, 5104, 5105, 5106, 5107]
  183
- Error Code [5110]
  184
- Error Code [5201]
  184
- Error Code [5301] Detail Code 115
  185
- Error Code [5301] Detail Code 117
  185
- Error Code [5301] Detail Code 119
  186
- Error Code [5301] Detail Code 120
  186
- Error Codes [5305, 5306] Detail Code 132
  187
- Error Codes [5305, 5306] Detail Code 133
  187
- Error Code [5701]
  188
- Error Codes [5305, 5306] Detail Code 134
  188
- Error Code Definitions and Solutions: Codes [6000 - 6999]
  189
- Error Code [6201]
  189
- Error Code [6202]
  189
- Error Code [6600]
  190
- Error Code [6601]
  190
- Error Code [6602]
  191
- Error Code [6603]
  192
- Error Code [6606]
  192
- Error Code [6607] Error Source Address = Outdoor Unit (OC)
  193
- Error Code [6607] Error Source Address = Indoor Unit (IC)
  194
- Error Code [6607] Error Source Address = LOSSNAY (LC)
  195
- Error Code [6607] Error Source Address = ME Remote Controller
  196
- Error Code [6607] Error Source Address = System Controller
  197
- Error Code [6607] All Error Source Addresses
  198
- Error Code [6607] no Error Source Address
  199
- Error Code [6608]
  200
- Error Code [6831]
  201
- Error Code [6832]
  202
- Error Code [6833]
  203
- Error Code [6834]
  204
- Error Code Definitions and Solutions: Codes [7000 - 7999]
  205
- Error Code [7100]
  205
- Error Code [7101]
  206
- Error Code [7102]
  207
- Error Code [7105]
  208
- Error Code [7106]
  208
Chapter 8 Troubleshooting Based on Observed Symptoms

214
Chapter 9 Led Status Indicators on the Outdoor Unit Circuit Board

260
- How to Read the LED
  262
- LED Status Indicators
  262
- Initial LED Display
  263
- Clock Memory Function
  264
  - LED Status Indicators Table
    265

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