Table Of Contents - Mitsubishi Electric CRHV-P600YA-HPB Service Handbook

CONTENTS
I Read Before Servicing
[1] Read Before Servicing.............................................................................................................. 3
[2] Necessary Tools and Materials ................................................................................................ 4
[3] Brazing...................................................................................................................................... 5
[4] Air Tightness Test..................................................................................................................... 6
[5] Vacuum Drying (Evacuation) .................................................................................................... 7
[6] Refrigerant Charging ................................................................................................................ 8
[7] Remedies to be taken in case of a Refrigerant Leak................................................................ 8
[8] Characteristics of the Conventional and the New Refrigerants ................................................ 9
[9] Notes on Refrigerating Machine Oil........................................................................................ 10
II Restrictions
[1] System Configuration ............................................................................................................. 13
[2] Types and Maximum allowable Length of Cables .................................................................. 14
[3] Main Power Supply Wiring and Switch Capacity .................................................................... 15
[4] Sample Installation ................................................................................................................. 18
[5] Switch Types and the Factory Settings .................................................................................. 19
[6] Configuring the Settings ......................................................................................................... 20
[7] Water Pipe Installation............................................................................................................ 27
III Unit Components
[1] Unit Components and Refrigerant Circuit ............................................................................... 37
[2] Control Box of the Unit............................................................................................................ 39
[3] Unit Circuit Board.................................................................................................................... 40
IV Remote Controller
[1] Using the Remote Controller .................................................................................................. 47
[2] Function Settings .................................................................................................................... 52
V Electrical Wiring Diagram
[1] Electrical Wiring Diagram ....................................................................................................... 57
VI Refrigerant Circuit
[1] Refrigerant Circuit Diagram .................................................................................................... 63
[2] Principal Parts and Functions ................................................................................................. 64
VII Control
[1] Functions and Factory Settings of the Dipswitches ................................................................ 69
[2] Operating characteristics and Control Capabilities ................................................................. 87
VIII Test Run Mode
[1] Items to be checked before a Test Run ................................................................................ 103
[2] Test Run Method .................................................................................................................. 105
[3] Operating the Unit................................................................................................................. 106
[4] Refrigerant ............................................................................................................................ 108
[5] Symptoms that do not Signify Problems............................................................................... 108
[6] Standard operating characteristics (Reference data) ........................................................... 108
IX Troubleshooting
[1] Maintenance items................................................................................................................ 111
[2] Troubleshooting .................................................................................................................... 119
[3] Troubleshooting Principal Parts............................................................................................ 125
[4] Refrigerant Leak ................................................................................................................... 141
[5] Parts Replacement Procedures............................................................................................ 142
X Attachments
[1] R410A saturation temperature table..................................................................................... 161
HWE1312A GB