Hitachi RAS-H(V)RNME-AF Service Manual page 8

Index
7.2.2 Configuration ................................................................................................................................................211
7.2.3 Description of optional output signals .......................................................................................................... 213
8. Commissioning ........................................................................................................... 215
8.1 Preliminary check ................................................................................................................................... 216
8.1.1 Checking the unit ......................................................................................................................................... 216
8.1.2 Electrical checking ....................................................................................................................................... 216
8.1.3 Hydraulic circuit checking ............................................................................................................................ 216
8.1.4 Checking the Refrigerant circuit .................................................................................................................. 217
8.2 Commissioning procedure ...................................................................................................................... 217
8.3 Indoor unit test run .................................................................................................................................. 218
8.4 Outdoor unit test run ............................................................................................................................... 219
9. Electrical checks of the main parts .......................................................................... 221
9.1 Inverter....................................................................................................................................................222
9.1.1 Specifications of inverter ............................................................................................................................. 222
9.1.2 Inverter time chart ....................................................................................................................................... 224
9.1.3 Protective function ....................................................................................................................................... 225
9.1.4 Overload control .......................................................................................................................................... 226
9.2 Thermistor ...............................................................................................................................................227
9.3 Electronic expansion valve ..................................................................................................................... 230
9.3.1 Electronic expansion valve for the outdoor unit ........................................................................................... 230
9.3.2 Electronic expansion valve for the indoor unit ............................................................................................. 231
9.4 High pressure protection device ............................................................................................................. 232
9.5 Noise filter (NF)....................................................................................................................................... 233
9.5.1 Noise filter for 1~ ......................................................................................................................................... 233
9.5.2 Noise filter for 3N~ ...................................................................................................................................... 234
9.6 Capacitor (CB1, CB2) ............................................................................................................................. 234
9.7 Reactor (DCL).........................................................................................................................................235
9.7.1 Reactor (DCL) for 1~ .................................................................................................................................. 235
9.7.2 Reactor (DCL) for 3N~ ............................................................................................................................... 235
9.8 Scroll compressor ................................................................................................................................... 236
VIII
SMGB0070 rev. 1 - 08/2011