Table Of Contents - Mitsubishi Electric PUHY-(E)P200 Service Handbook

CONTENTS
I Read Before Servicing
[1] Read Before Servicing.............................................................................................................. 3
[2] Necessary Tools and Materials ................................................................................................ 4
[3] Piping Materials ........................................................................................................................ 5
[4] Storage of Piping ...................................................................................................................... 7
[5] Pipe Processing........................................................................................................................ 7
[6] Brazing...................................................................................................................................... 8
[7] Air Tightness Test..................................................................................................................... 9
[8] Vacuum Drying (Evacuation) .................................................................................................. 10
[9] Refrigerant Charging .............................................................................................................. 11
[10] Remedies to be taken in case of a Refrigerant Leak............................................................ 11
[11] Characteristics of the Conventional and the New Refrigerants ............................................ 12
[12] Notes on Refrigerating Machine Oil...................................................................................... 13
II Restrictions
[1] System configuration .............................................................................................................. 17
[2] Types and Maximum allowable Length of Cables .................................................................. 19
[3] Switch Settings and Address Settings .................................................................................... 20
[4] Sample System Connection ................................................................................................... 27
[5] An Example of a System to which an MA Remote Controller is connected ........................... 28
[6] An Example of a System to which an M-NET Remote Controller is connected ..................... 38
[7] An Example of a System to which both MA Remote Controller and
M-NET Remote Controller are connected .............................................................................. 40
[8] Restrictions on Pipe Length.................................................................................................... 42
III Outdoor Unit Components
[1] Outdoor Unit Components and Refrigerant Circuit ................................................................. 49
[2] Control Box of the Outdoor Unit.............................................................................................. 51
[3] Outdoor Unit Circuit Board...................................................................................................... 52
IV Remote Controller
[1] Functions and Specifications of MA and ME Remote Controllers .......................................... 59
[2] Group Settings and Interlock Settings via the ME Remote Controller .................................... 60
[3] Interlock Settings via the MA Remote Controller .................................................................... 64
[4] Using the built-in Temperature Sensor on the Remote Controller.......................................... 65
V Electrical Wiring Diagram
[1] Electrical Wiring Diagram of the Outdoor Unit ........................................................................ 69
[2] Electrical Wiring Diagram of Transmission Booster................................................................ 70
VI Refrigerant Circuit
[1] Refrigerant Circuit Diagram .................................................................................................... 73
[2] Principal Parts and Functions ................................................................................................. 74
VII Control
[1] Functions and Factory Settings of the Dipswitches ................................................................ 81
[2] Controlling the Outdoor Unit ................................................................................................... 87
[3] Operation Flow Chart.............................................................................................................. 99
VIII Test Run Mode
[1] Items to be checked before a Test Run................................................................................ 107
[2] Test Run Method .................................................................................................................. 108
[3] Operating Characteristic and Refrigerant Amount................................................................ 109
[4] Adjusting the Refrigerant Amount......................................................................................... 109
[5] Refrigerant Amount Adjust Mode.......................................................................................... 112
[6] The following symptoms are normal. .................................................................................... 114
[7] Standard Operation Data (Reference Data) ......................................................................... 115
IX Troubleshooting
[1] Error Code Lists.................................................................................................................... 155
[2] Responding to Error Display on the Remote Controller........................................................ 158
[3] Investigation of Transmission Wave Shape/Noise ............................................................... 219
[4] Troubleshooting Principal Parts............................................................................................ 222
[5] Refrigerant Leak ................................................................................................................... 241
[6] Compressor Replacement Instructions................................................................................. 243
[7] Troubleshooting Using the Outdoor Unit LED Error Display................................................. 245
X LED Monitor Display on the Outdoor Unit Board
[1] How to Read the LED on the Service Monitor ...................................................................... 249
HWE07010 GB