Hitachi RASC-10HNPE, Service Manual, Page: 5 / 306

General Index
SMGB0091 rev.2 - 11/2015 III
General Index
1. General information ................................................................................................... 1
1.1 General information .................................................................................................................................2
1.1.1 General notes .................................................................................................................................................. 2
1.1.2 Introduction ...................................................................................................................................................... 2
1.1.3 Environment-friendly units ............................................................................................................................... 2
1.2 Applied symbols ......................................................................................................................................3
1.3 Product guide ..........................................................................................................................................4
1.3.1 Classification of RASC unit models ................................................................................................................. 4
1.3.2 Classification of indoor unit models ................................................................................................................. 4
1.3.3 Product guide: RASC units .............................................................................................................................. 4
1.3.4 Product guide: Indoor units ............................................................................................................................. 5
1.3.5 List of accessories ........................................................................................................................................... 8
2. Unit installation ........................................................................................................13
2.1 Initial check............................................................................................................................................14
2.2 Transportation .......................................................................................................................................15
2.2.1 Hanging method ............................................................................................................................................ 15
2.2.2 Handling unit (centre of gravity) .................................................................................................................... 16
2.3 Factory-supplied components ...............................................................................................................16
2.4 Installation space...................................................................................................................................17
2.5 Interchangeability of air inlet and outlet panels .....................................................................................18
2.6 Installation place provision ....................................................................................................................24
2.7 Fan performance curves .......................................................................................................................25
2.8 Duct connection.....................................................................................................................................27
3. Piping work and refrigerant charge .......................................................................29
3.1 Piping work connection considerations .................................................................................................30
3.1.1 Copper pipes and sizes ................................................................................................................................. 30
3.1.2 Pipe connection ............................................................................................................................................. 31
3.1.3 Insulation ....................................................................................................................................................... 31
3.1.4 Three principles on refrigerant piping work ................................................................................................... 32
3.1.5 Suspension of refrigerant piping .................................................................................................................... 33
3.1.6 Brazing work .................................................................................................................................................. 33
3.2 Piping connection for RASC unit ...........................................................................................................34