Mitsubishi Electric PURY-P144T Manuals

Manuals and User Guides for Mitsubishi Electric PURY-P144T. We have 2 Mitsubishi Electric PURY-P144T manuals available for free PDF download: Service Handbook

Mitsubishi Electric PURY-P144T Service Handbook

Mitsubishi Electric PURY-P144T Service Handbook (412 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 12.6 MB

Table of Contents

Safety Precautions
2
Before Installing the Unit
5
Before the Test Run
7
III Outdoor Unit Components
8
IV Remote Controller
8
Read before Servicing
8
Table of Contents
8
V Electrical Wiring Diagram
8
VI Refrigerant Circuit
8
VII Control
8
VIII Test Run Mode
8
1 I 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

70
4 Remote Controller

96
5 Electrical Wiring Diagram

106
6 Refrigerant Circuit

124
- Refrigerant Circuit Diagram
  126
- Principal Parts and Functions
  135
7 Control

144
- Functions and Factory Settings of the Dipswitches
  146
  - INV Board
    148
  - Function of the Switch (Indoor Unit)
    150
  - Function of the Switch - Remote Controller
    151
  - Switch Functions - BC Controller
    152
- Controlling the Outdoor Unit
  153
  - Startup Sequence Rotation
    153
  - Bypass Control
    154
  - Defrost Operation Control
    156
  - Starting the Defrost Operation
    156
  - Stopping the Defrost Operation
    157
  - Problems During Defrost Operation
    157
  - Change in the Number of Operating Indoor Units During Defrost
    157
  - Refrigerant Recovery Control
    158
  - Capacity Control of Outdoor Fan and Heat Exchanger
    159
  - Control at Initial Start-Up
    160
  - Emergency Operation Mode
    162
  - Problems with the Outdoor Unit
    162
  - Ending the Emergency Operation
    162
  - Control Method
    164
  - Cooling/Heating Circuit Control
    165
  - General Function of System Equipment
    165
  - Operation Mode
    166
  - Operation Pattern for Automatic Cooling/Heating Mode
    166
  - Relationship between the Operation Mode and the Load Capacity
    166
- Controlling BC Controller
  168
- Operation Flow Chart
  169
8 Test Run Mode

176
- Items to be Checked before a Test Run
  178
- Test Run Method
  179
- Operating Characteristic and Refrigerant Amount
  180
- Adjusting the Refrigerant Amount
  180
- Amount of Refrigerant to be Added
  181
- Refrigerant Amount Adjust Mode
  183
- The Following Symptoms Are Normal
  185
- Standard Operation Data (Reference Data)
  186
- Troubleshooting
  202
9 IX Troubleshooting

204
10 LED Monitor Display on the Outdoor Unit Board

364
- How to Read the LED on the Service Monitor
  366
  - LED Monitor Display on the Outdoor Unit Board
    366
  - Time Data Storage Function
    367
  - LED Monitor Display
    368

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Mitsubishi Electric PURY-P144T Service Handbook

Mitsubishi Electric PURY-P144T Service Handbook (403 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 21.44 MB

Table of Contents

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