Mitsubishi Electric PUHY-P250YJM-A Manuals

Mitsubishi Electric PUHY-P250YJM-A Manuals

Manuals and User Guides for Mitsubishi Electric PUHY-P250YJM-A. We have 2 Mitsubishi Electric PUHY-P250YJM-A manuals available for free PDF download: Service Manual, Data Book

Mitsubishi Electric PUHY-P250YJM-A Service Manual

Mitsubishi Electric PUHY-P250YJM-A Service Manual (272 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 15.66 MB

Table of Contents

Safety Precautions
2
Before Installing the Unit
5
Electrical Work
6
Table of Contents
8
Read before Servicing
12
I Read before Servicing
12
Necessary Tools and Materials
13
Piping Materials
15
Storage of Piping
17
Pipe Processing
17
Brazing
18
Air Tightness Test
19
Vacuum Drying (Evacuation)
20
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
Outdoor Unit Components

46
- Outdoor Unit Components and Refrigerant Circuit
  48
- Control Box of the Outdoor Unit
  50
- Outdoor Unit Circuit Board
  51
  - Inv Board
    53
  - Fan Board
    54
  - Noise Filter
    55
Indoor Unit Components

56
- External Dimensions
  58
- Indoor Unit Components and Internal Structure
  64
- Control Box of the Indoor Unit
  66
- Indoor Unit Circuit Board
  67
- Fan
  68
Remote Controller

70
- Functions and Specifications of MA Remote Controller
  72
- Using the Built-In Temperature Sensor on the Remote Controller
  72
Electrical Wiring Diagram

74
Refrigerant Circuit

82
- Refrigerant Circuit Diagram
  84
- Principal Parts and Functions
  87
Control

92
- Functions and Factory Settings of the Dipswitches
  94
- Controlling the Outdoor Unit
  101
  - Defrost Operation Control
    104
  - Refrigerant Recovery Control
    105
- Operation Flow Chart
  111
Test Run Mode

116
Troubleshooting

136
- Error Code Lists
  138
- Responding to Error Display on the Remote Controller
  141
- Error Code
  163
- Investigation of Transmission Wave Shape/Noise
  198
- Troubleshooting Principal Parts
  201
- Indoor Unit
  218
- Refrigerant Leak
  220
- Compressor Replacement Instructions
  222
- Troubleshooting Using the Outdoor Unit LED Error Display
  224

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Mitsubishi Electric PUHY-P250YJM-A Data Book

Mitsubishi Electric PUHY-P250YJM-A Data Book (78 pages)

Brand: Mitsubishi Electric | Category: Air Conditioner | Size: 1.8 MB

Table of Contents

Table of Contents
8
I General Equipment Descriptions
10
Unit Configuration Table
10
Operable Temperature Range
12
Product Specifications
13
Specifications
13
External Dimensions
15
Center of Gravity
20
Electrical Wiring Diagrams
22
Optional Parts
26
Product Data
27
Capacity Curves
27
Sound Levels
31
Fan Characteristics Curves
33
System Design
36
Piping Design
36
Designing of Water Circuit System
40
Water Piping Work
51
Control Wiring
52
Types of Switch Settings and Setting Methods
53
Sample System Connection
55
External Input/Output Specifications
60
System Rotation Control
65
Notes on the Use of Optional Accessories
65
Caution for Refrigerant Leakage
66
Air Conditioning the Computer Room
67
Main Features of the Floor-Duct Air Conditioners
67
Features of Air-Conditioner for Computer Room
67
Step-By-Step Plan for the Implementation of the Air-Conditioning
68
Conditions for the Installation of Computer-Room Air Conditioners
69
Setting the Air Conditioners
70
Automatic Control of the Computer Room
72
Maintenance/Inspection
73
Maintenance/Inspection Schedule
73

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