1. Precaution ..................................................................................................................................................... 1
1.1 Safety Precaution .......................................................................................................................... 1
1.2 Warning .......................................................................................................................................... 1
2. Part Names .................................................................................................................................................... 4
2.1 Model Names of Indoor/Outdoor units .......................................................................................... 4
2.2 Part names of Indoor/Outdoor units .............................................................................................. 5
3. Dimension ..................................................................................................................................................... 6
3.1 Indoor Unit ..................................................................................................................................... 6
3.2 Outdoor Unit................................................................................................................................... 8
4. Refrigerant Cycle Diagram .......................................................................................................................... 9
5. Printed Circuit Board Connector Wiring Diagram of Outdoor unit ....................................................... 10
6 Installation Details....................................................................................................................................... 12
6.1 Wrench torque sheet for installation ............................................................................................ 12
6.2 Connecting the cables ................................................................................................................. 12
6.3 Pipe length and the elevation ...................................................................................................... 12
6.4 Installation for the first time .......................................................................................................... 13
6.5 Adding the refrigerant after running the system for many years ................................................. 14
6.6
Procedure when servicing the indoor unit refrigeration circuit.
.................................................. 14
6.7
Evacuation after servicing the outdoor unit refrigeration circuit.
................................................ 16
7. Operation Characteristics ......................................................................................................................... 18
8. Electronic function ..................................................................................................................................... 19
8.1 Abbreviation ................................................................................................................................. 19
8.2 Display function ........................................................................................................................... 19
8.3 Main Protection ............................................................................................................................ 20
8.4 Operation Modes and Functions ................................................................................................. 21
9. Troubleshooting ......................................................................................................................................... 26
9.1 Indoor Unit Error Display ............................................................................................................. 27
9.2 Outdoor unit error display ............................................................................................................ 28
9.3 Diagnosis and Solution ................................................................................................................ 31
10 Disassembly Instructions ......................................................................................................................... 56
10.1 Indoor unit .................................................................................................................................. 56
10.2 Outdoor unit ............................................................................................................................... 60
Table Of
C
ontents
Содержание MSMBB-12CRDN1-MP0W
Страница 7: ...5 2 2 Part names of Indoor Outdoor units ...
Страница 9: ...7 For MSMBB 12CRDN1 MP0W For MSMBC 18CRDN1 MP0W For MSMBD 22CRDN1 MP5W ...
Страница 13: ...11 MOF1 22CDN1 MP5W ...
Страница 25: ...23 ...
Страница 32: ...30 MOF1 22CDN1 MP5W ...
Страница 36: ...34 9 2 3 Zero crossing detection error diagnosis and solution E2 ...
Страница 39: ...37 supply or 50V 115V power supply the PCB must has problems and need to be replaced ...
Страница 45: ...43 P W N U ...
Страница 46: ...44 N V N W ...