
Table of Contents
1. General ..................................................................................................................................................1
1.1 Features........................................................................................................................................1
1.2 Product lineup...............................................................................................................................3
1.3 Unit installation .............................................................................................................................4
1.4 Working range...............................................................................................................................4
1.5 Product appearance .....................................................................................................................5
2. Specifications.........................................................................................................................................6
3. Outlines and dimensions........................................................................................................................8
4. Electrical data .....................................................................................................................................12
5. Capacities and selection data..............................................................................................................13
5.1 Capacity characteristic charts.....................................................................................................13
5.2 Piping length correction factor ....................................................................................................18
5.3 Correction factors according to defrosting operation..................................................................20
6. Sound pressure data ...........................................................................................................................21
7. Refrigerant cycle .................................................................................................................................22
8. Wiring diagram.....................................................................................................................................24
8.1 Electrical wiring diagrams...........................................................................................................24
8.2 Control board picture ..................................................................................................................28
8.3 Common wiring...........................................................................................................................34
9. Field setting..........................................................................................................................................35
9.1 DIP switch setting .......................................................................................................................35
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 ..............................................................................................................................45
14. Troubleshooting..................................................................................................................................51
14.1 Trouble guide ............................................................................................................................51
14.2 Fault codes ...............................................................................................................................54
15. Checking components ......................................................................................................................63
15.1 Check refrigerant system..........................................................................................................63
15.2 Check parts unit .......................................................................................................................65
16 Disassembly and assembly for compressor and motor......................................................................68