Multi type Air Conditioner Service Manual
TABLE OF CONTENTS
Model Number Nomenclature ....................................................................................................................3
Safety Precautions......................................................................................................................................6
Dimensions................................................................................................................................................12
Indoor Unit..............................................................................................................................................12
Outdoor Unit............................................................................................................................................18
Product Specifications .............................................................................................................................19
Installation .................................................................................................................................................24
How to fix ...............................................................................................................................................25
Piping Connection Size ...........................................................................................................................50
Test Running ...........................................................................................................................................51
Operation ...................................................................................................................................................56
Function of control...................................................................................................................................56
Function of Indoor Unit............................................................................................................................61
Function of Outdoor Unit .........................................................................................................................64
Remote Control Operation ......................................................................................................................65
Control Devices and Function .................................................................................................................73
Simple Central Control ............................................................................................................................73
Electrical wiring .......................................................................................................................................74
Deluxe Central Control ............................................................................................................................80
Indoor unit ...............................................................................................................................................86
Schematic Diagram...................................................................................................................................89
Electronic Control Device ........................................................................................................................89
Wiring Diagram .......................................................................................................................................94
Components Locations ...........................................................................................................................96
Troubleshooting Guide ...........................................................................................................................101
Refrigeration Cycle Diagram .................................................................................................................101
Self-diagnosis Function.........................................................................................................................104
Cycle Troubleshooting Guide ................................................................................................................105
General Information ..............................................................................................................................111
(3-way) Valve ...........................................................................................................................................127
Indoor Unit ............................................................................................................................................131
Outdoor Unit .........................................................................................................................................155