Mitsubishi Electric PUHY-P72YHMU-A Air Manuals

Manuals and User Guides for Mitsubishi Electric PUHY-P72YHMU-A Air. We have 1 Mitsubishi Electric PUHY-P72YHMU-A Air manual available for free PDF download: Service Handbook

Mitsubishi Electric PUHY-P72YHMU-A Service Handbook

Mitsubishi Electric PUHY-P72YHMU-A Service Handbook (326 pages)

city multi

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 7 MB

Table of Contents

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

12
- 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
  20
- Remedies to be Taken in Case of a Refrigerant Leak
  20
- Characteristics of the Conventional and the New Refrigerants
  21
- Notes on Refrigerating Machine Oil
  22
- Restrictions
  24
- II Restrictions
  24
2 II Restrictions

26
3 III Outdoor Unit Components

56
Remote Controller

72
Electrical Wiring Diagram

82
- Electrical Wiring Diagram of the Outdoor Unit
  84
- Electrical Wiring Diagram of Transmission Booster
  87
Refrigerant Circuit

88
- Refrigerant Circuit Diagram
  90
- Principal Parts and Functions
  91
Control

96
- VII Control
  96
- Functions and Factory Settings of the Dipswitches
  98
- Controlling the Outdoor Unit
  105
- Operation Flow Chart
  117
Test Run Mode

122
Troubleshooting

156
- IX Troubleshooting
  156
- Error Code Lists
  158
- Responding to Error Display on the Remote Controller
  161
- Investigation of Transmission Wave Shape/Noise
  240
- Troubleshooting Principal Parts
  243
- Indoor Unit
  269
- Refrigerant Leak
  274
- Compressor Replacement Instructions
  276
- Troubleshooting Using the Outdoor Unit LED Error Display
  278
LED Monitor Display on the Outdoor Unit Board

280
- How to Read the LED on the Service Monitor
  282

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