User Manuals: Mitsubishi Electric P240 Air Conditioner

Manuals and User Guides for Mitsubishi Electric P240 Air Conditioner. We have 1 Mitsubishi Electric P240 Air Conditioner manual available for free PDF download: Service Handbook

Mitsubishi Electric P240 Service Handbook

Mitsubishi Electric P240 Service Handbook (346 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 9 MB

Table of Contents

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
15
Storage of Piping Materials
15
Characteristics of the New and Conventional Refrigerants
16
Refrigerant Oil
17
Pipe Brazing
18
Working with Refrigerant Piping
18
Air Tightness Test
19
Vacuum Drying
20
Refrigerant Charging
21
Precautions for Wiring
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
- Transformer Box
  75
- Fan Box
  76
- Outdoor Unit Circuit Board Components
  77
- Control Board
  77
- M-NET Board (Transmission Power Supply Board)
  78
- INV Board
  79
- Fan Board
  82
- Noise Filter
  84
- Connect Board
  87
- Outdoor Unit Electrical Wiring Diagrams
  88
- Transmission Booster Electrical Wiring Diagrams
  93
Chapter 5 Control

94
- Dipswitch Functions and Factory Settings
  96
- Outdoor Unit Switch Functions and Factory Settings
  96
- Indoor Unit Switch Functions and Factory Settings
  100
- Remote Controller Switch Functions and Factory Settings
  101
- Outdoor Unit Control
  103
- Overview
  103
- Rotation Control
  103
- Initial Control
  103
- Startup Control
  103
- Refrigerant Bypass Control
  104
- Frequency Control
  105
- Defrost Operation Control
  106
- Refrigerant Recovery Control
  108
- Outdoor Unit Fan Control
  109
- Subcool Coil Control (Linear Expansion Valve 1)
  109
- Refrigerant Flow Control (Linear Expansion Valves 2A and 2B)
  109
- Control at Initial Startup
  109
- Emergency Operation Mode
  112
- Operation Mode
  115
- Demand Control
  115
- Control of IH Energization Without the Compressor in Operation
  115
- Operation Flowcharts
  116
- Operation Sequence Flowchart
  116
- Actions Performed in Different Modes
  118
Chapter 6 Test Run

122
Chapter 7 Troubleshooting Using Error Codes

156
Chapter 9 LED Status Indicators on the Outdoor Unit Circuit Board

308
- LED Status Indicators
  310
- How to Read the LED
  310
- Initial LED Display
  311
- Clock Memory Function
  312
- LED Status Indicators Table
  313

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