Mitsubishi Electric City Multi PQHY-P72 Manuals

Manuals and User Guides for Mitsubishi Electric City Multi PQHY-P72. We have 1 Mitsubishi Electric City Multi PQHY-P72 manual available for free PDF download: Service Handbook

Mitsubishi Electric City Multi PQHY-P72 Service Handbook

Mitsubishi Electric City Multi PQHY-P72 Service Handbook (349 pages)

Mitsubishi Electric Air Conditioners City Multi Service Handbook

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 9.82 MB

Table of Contents

Safety Precautions
2
Before Installing the Unit
5
Table of Contents
8
Read before Servicing
12
I Read before Servicing

12
4 Remote Controller

88
5 Electrical Wiring Diagram

100
- Electrical Wiring Diagram of the Heat Source Unit
  102
- Electrical Wiring Diagram of the BC Controller
  103
6 Refrigerant Circuit

112
- Refrigerant Circuit Diagram
  114
- Principal Parts and Functions
  118
- Indoor Unit
  124
7 Control

128
8 Test Run Mode

164
9 Troubleshooting

186
- Check Code Lists
  188
- Responding to Error Display on the Remote Controller
  191
  - 1-Pqhy
    191
  - Mechanical System
    191
  - Mechanical System
    225
  - 2-Pqry
    225
- Investigation of Transmission Wave Shape/Noise
  274
- Troubleshooting Principal Parts
  277
  - Solenoid Valve
    279
  - Temperature Sensor
    290
  - Bc Controller Transformer
    297
- Refrigerant Leak
  307
- Servicing the BC Controller
  309
10 XLED Monitor Display on the Heat Source Unit Board

314
- How to Read the LED on the Service Monitor
  314

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