Table Of Contents - Pioneer YH024GHFI18RT2 Technical & Service Manual

Table of Contents

1. General ..................................................................................................................................................1
1.1 Features.........................................................................................................................................1
1.2 Product lineup................................................................................................................................2
1.3 Nomenclature ................................................................................................................................2
1.4 Unit installation ..............................................................................................................................3
1.5 Working range................................................................................................................................3
1.6 Product appearance ......................................................................................................................4
2. Specifications.........................................................................................................................................5
3. Outlines and dimensions........................................................................................................................7
4. Electrical data .....................................................................................................................................10
5. Capacities and selection data ..............................................................................................................11
5.1 Capacity characteristic charts .....................................................................................................11
5.2 Piping length correction factor .....................................................................................................17
5.3 Correction factors according to defrosting operation...................................................................18
6. Sound pressure data ...........................................................................................................................19
7. Refrigerant cycle ..................................................................................................................................20
8. Wiring diagram.....................................................................................................................................23
8.1 Electrical wiring diagrams ............................................................................................................23
8.2 Control board picture ...................................................................................................................26
8.3 Common wiring............................................................................................................................33
9. Field setting..........................................................................................................................................34
9.1 Outdoor unit DIP switch ...............................................................................................................34
9.2 Running parameter query ............................................................................................................36
10. Piping work and refrigerant charge ....................................................................................................39
10.1 MAX. length allowed ..................................................................................................................39
10.2 Oil trap .......................................................................................................................................39
10.3 Air tight test................................................................................................................................40
10.4 Additional refrigerant charge......................................................................................................40
11. Installation tools and installation flow chart .......................................................................................41
11.1 Necessary tools and instrument list for installation................................................................... 41
11.2 Installation flow chart ................................................................................................................42
12. Control mode .....................................................................................................................................43
13. Sensor parameter ..............................................................................................................................44
14. Troubleshooting ..................................................................................................................................50
14.1 Trouble guide ............................................................................................................................50
14.2 Fault codes ................................................................................................................................53
15. Checking components ......................................................................................................................60
15.1 Check refrigerant system...........................................................................................................60
15.2 Check parts unit ........................................................................................................................62
16. Disassembly and assembly for compressor and motor .....................................................................64
17. Control logic description.....................................................................................................................67