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HP250YHM-A
Mitsubishi Electric HP250YHM-A Heat Pump Manuals
Manuals and User Guides for Mitsubishi Electric HP250YHM-A Heat Pump. We have
1
Mitsubishi Electric HP250YHM-A Heat Pump manual available for free PDF download: Service Handbook
Mitsubishi Electric HP250YHM-A Service Handbook (265 pages)
Brand:
Mitsubishi Electric
| Category:
Air Conditioner
| Size: 4.52 MB
Table of Contents
Safety Precautions
2
Before Installing the Unit
5
Table of Contents
8
Read before Servicing
10
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
2 II Restrictions
26
System Configuration
26
Types and Maximum Allowable Length of Cables
27
Switch Settings and Address Settings
28
Sample System Connection
34
An Example of a System to Which an MA Remote Controller Is Connected
35
An Example of a System to Which an ME Remote Controller Is Connected
45
An Example of a System to Which both MA Remote Controller and ME Remote Controller Are Connected
47
Restrictions on Pipe Length
49
Outdoor Unit Components
52
3 III Outdoor Unit Components
54
Outdoor Unit Components and Refrigerant Circuit
54
Control Box of the Outdoor Unit
56
Outdoor Unit Circuit Board
57
Fan Board
60
Remote Controller
62
Functions and Specifications of MA and ME Remote Controllers
64
Group Settings and Interlock Settings Via the ME Remote Controller
65
Interlock Settings Via the MA Remote Controller
69
Using the Built-In Temperature Sensor on the Remote Controller
70
Electrical Wiring Diagram
72
Electrical Wiring Diagram of the Outdoor Unit
74
Electrical Wiring Diagram of Transmission Booster
75
Refrigerant Circuit
76
Refrigerant Circuit Diagram
78
Principal Parts and Functions
80
Control
84
Functions and Factory Settings of the Dipswitches
86
Controlling the Outdoor Unit
92
Operation Flow Chart
103
Test Run Mode
108
Items to be Checked before a Test Run
110
Test Run Method
111
Operating Characteristic and Refrigerant Amount
112
Adjusting the Refrigerant Amount
112
Refrigerant Amount Adjust Mode
115
The Following Symptoms Are Normal
117
Standard Operation Data (Reference Data)
118
Troubleshooting
124
Error Code Lists
126
Responding to Error Display on the Remote Controller
129
Investigation of Transmission Wave Shape/Noise
193
Troubleshooting Principal Parts
196
Indoor Unit
211
Refrigerant Leak
213
Compressor Replacement Instructions
215
Troubleshooting Using the Outdoor Unit LED Error Display
217
Installation Instructions for the Control Box Snow Guard Accessories
218
LED Monitor Display on the Outdoor Unit Board
220
How to Read the LED on the Service Monitor
222
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