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PUHY-(E)P450YHM-A
Mitsubishi Electric PUHY-(E)P450YHM-A Manuals
Manuals and User Guides for Mitsubishi Electric PUHY-(E)P450YHM-A. We have
1
Mitsubishi Electric PUHY-(E)P450YHM-A manual available for free PDF download: Service Handbook
Mitsubishi Electric PUHY-(E)P450YHM-A Service Handbook (302 pages)
Brand:
Mitsubishi Electric
| Category:
Air Conditioner
| Size: 7.33 MB
Table of Contents
Safety Precautions
2
Before Installing the Unit
5
Electrical Work
6
Table of Contents
8
Read before Servicing
10
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
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
System Configuration
26
Types and Maximum Allowable Length of Cables
28
Switch Settings and Address Settings
29
Sample System Connection
36
An Example of a System to Which an MA Remote Controller Is Connected
37
An Example of a System to Which an M-NET Remote Controller Is Connected
47
An Example of a System to Which both MA Remote Controller and M-NET Remote Controller Are Connected
49
Restrictions on Pipe Length
51
Outdoor Unit Components
56
Outdoor Unit Components and Refrigerant Circuit
58
Control Box of the Outdoor Unit
60
Outdoor Unit Circuit Board
61
Inv Board
63
Fan Board
64
Noise Filter
65
Remote Controller
66
Functions and Specifications of MA and ME Remote Controllers
68
Group Settings and Interlock Settings Via the ME Remote Controller
69
Interlock Settings Via the MA Remote Controller
73
Using the Built-In Temperature Sensor on the Remote Controller
74
Electrical Wiring Diagram
76
Electrical Wiring Diagram of the Outdoor Unit
78
Electrical Wiring Diagram of Transmission Booster
79
Refrigerant Circuit
80
Refrigerant Circuit Diagram
82
Principal Parts and Functions
83
Control
88
Functions and Factory Settings of the Dipswitches
90
Controlling the Outdoor Unit
96
Defrost Operation Control
99
Refrigerant Recovery Control
100
Emergency Operation Mode
104
Operation Mode
106
Operation Flow Chart
108
Test Run Mode
114
Items to be Checked before a Test Run
116
Test Run Method
117
Operating Characteristic and Refrigerant Amount
118
Adjusting the Refrigerant Amount
118
Refrigerant Amount Adjust Mode
121
The Following Symptoms Are Normal
123
Standard Operation Data (Reference Data)
124
Troubleshooting
162
Error Code Lists
164
Responding to Error Display on the Remote Controller
167
Error Code 7110/7111
213
Investigation of Transmission Wave Shape/Noise
228
Troubleshooting Principal Parts
231
Indoor Unit
248
Refrigerant Leak
250
Compressor Replacement Instructions
252
Troubleshooting Using the Outdoor Unit LED Error Display
254
LED Monitor Display on the Outdoor Unit Board
256
How to Read the LED on the Service Monitor
258
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