Table Of Contents - Hisense AMW2-18U4RJC Technical & Service Manual

Multi-Split Type Air Conditioner Ser vice Manual
1. General ..................................................................................................................................................1
1.1 Features........................................................................................................................................1
1.2 Product lineup ...............................................................................................................................4
1.3 Nomenclature ...............................................................................................................................4
1.4 Unit installation .............................................................................................................................5
1.5 Working range...............................................................................................................................5
1.6 Product appearance .....................................................................................................................6
2. Outlines and dimensions ......................................................................................................................8
3. Electrical data .....................................................................................................................................14
4. Capacities and selection data..............................................................................................................15
4.1 Capacity characteristic charts .....................................................................................................15
4.2 Piping length correction factor ....................................................................................................56
4.3 Correction factors according to defrosting operation ..................................................................57
5. Sound pressure data ...........................................................................................................................58
6. ESP(External static pressure) chart(Duct type) ...................................................................................61
7. Refrigerant cycle..................................................................................................................................65
8.Fresh air intake function .......................................................................................................................67
9. Wiring diagram ....................................................................................................................................68
9.1 Electrical wiring diagrams ...........................................................................................................68
9.2 Control board picture ................................................................................................................. 74
9.3 Common wiring ...........................................................................................................................82
10. Field setting .......................................................................................................................................84
10.1 Outdoor unit DIP switch ............................................................................................................84
10.2 Running parameter query .........................................................................................................86
10.3 ESP setting (Duct type only) .....................................................................................................88
10.4 Indoor unit parameter revision .................................................................................................89
10.5 Instructions for the function setting of access control, fire protection, ON/OFF........................93
11. Piping work and refrigerant charge ....................................................................................................95
11.1 MAX. length allowed .................................................................................................................95
11.2 Oil trap.......................................................................................................................................95
11.3 Air tight test ...............................................................................................................................96
11.4 Additional refrigerant charge .....................................................................................................96
12. Installation tools and installation flow chart .......................................................................................97
11.1 Necessary tools and instrument list for installation .................................................................. 97
11.2 Installation flow chart ................................................................................................................98
13. Control mode .....................................................................................................................................99
13.1 Outdoor unit ..............................................................................................................................99
13.2 Indoor unit ...............................................................................................................................101
14 Sensor parameter .............................................................................................................................104
15. Troubleshooting ...............................................................................................................................113
15.1 Trouble guide .........................................................................................................................113
15.2 Fault codes..............................................................................................................................118
16. Checking components ....................................................................................................................130
16.1 Check refrigerant system ........................................................................................................130
16.2 Check parts unit .....................................................................................................................131
17. Disassembly and assembly for compressor and motor ...................................................................133

Table of Contents