Table Of Contents - Mitsubishi Electric CMB-WP1016V-GA1 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 (Refrigerant Circuit) .................................................................................... 9
[8] Vacuum Drying (Evacuation) (Refrigerant Circuit).................................................................. 10
[9] Refrigerant Charging .............................................................................................................. 12
[10] Remedies to be taken in case of a Refrigerant Leak............................................................ 12
[11] Characteristics of the Conventional and the New Refrigerants ............................................ 13
[12] Notes on Refrigerating Machine Oil...................................................................................... 14
[13] Water piping.......................................................................................................................... 15
II Restrictions
[1] System configuration .............................................................................................................. 21
[2] Switch Settings and Address Settings .................................................................................... 22
[3] An Example of a System to which an MA Remote Controller is connected ........................... 24
[4] An Example of a System to which an ME Remote Controller is connected ........................... 30
[5] An Example of a System to which both MA Remote Controller and ME Remote
Controller are connected ........................................................................................................ 32
[6] Restrictions on Pipe Length.................................................................................................... 35
Iii Hbc Controller Components
[1] HBC Controller Components .................................................................................................. 39
[2] Sub-HBC Components ........................................................................................................... 42
[3] Control Box of the HBC Controller and Sub-HBC................................................................... 44
[4] HBC Controller and Sub-HBC Circuit Board........................................................................... 45
IV Electrical Wiring Diagram
[1] Electrical Wiring Diagram of the HBC Controller and Sub-HBC ............................................. 49
[2] Electrical Wiring Diagram of Transmission Booster................................................................ 57
V Refrigerant Circuit
[1] Refrigerant Circuit Diagram .................................................................................................... 61
[2] Principal Parts and Functions ................................................................................................. 64
VI Control
[1] Functions and Factory Settings of the Dipswitches ................................................................ 69
[2] Controlling HBC Controller ..................................................................................................... 70
[3] Operation Flow Chart.............................................................................................................. 79
VII Test Run Mode
[1] Items to be checked before a Test Run.................................................................................. 87
[2] Operating Characteristic and Refrigerant Amount.................................................................. 88
[3] Adjusting the Refrigerant Amount........................................................................................... 88
[4] Refrigerant Amount Adjust Mode............................................................................................ 91
[5] The following symptoms are normal. ...................................................................................... 91
[6] Standard Operation Data (Reference Data) ........................................................................... 92
VIII Troubleshooting
[1] Error Code Lists.................................................................................................................... 111
[2] Responding to Error Display on the Remote Controller........................................................ 115
[3] Investigation of Transmission Wave Shape/Noise ............................................................... 163
[4] Troubleshooting Principal Parts............................................................................................ 166
[5] Refrigerant Leak ................................................................................................................... 176
[6] Servicing the HBC controller................................................................................................. 178
[7] Instructions for debris removal operation.............................................................................. 180
[8] Instructions for the air vent operation ................................................................................... 181
[9] Instructions for the water pump replacement........................................................................ 182
IX LED Monitor Display on the Outdoor Unit Board
[1] How to Read the LED on the Service Monitor ...................................................................... 201
HWE1410A GB