Hitachi UTOPIA RAS-4HVRP2E - Page 9

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SMGB0136 rev.0 - 07/2021
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6.2.4 Power saving function from wired controller ................................................................................................ 140
6.2.4.1 Power Saving Guide ...................................................................................................................... 140
6.2.4.2 Outdoor Unit Capacity Control ....................................................................................................... 140
6.2.4.3 Rotation control function ................................................................................................................ 141
6.2.4.4 Intermittent control function ............................................................................................................ 141
6.2.4.5 Power Saving Schedule Function .................................................................................................. 142
6.2.4.6 Operation noise reduction schedule function ................................................................................. 142
6.2.4.7 Power Consumption Display Function ........................................................................................... 142
7. Commissioning ...................................................................................................... 143
7.1 Preliminary checks ..............................................................................................................................144
7.2 Before the test run ...............................................................................................................................145
7.3 Test run using the PC-ARFP1E remote control switch (example) .......................................................146
7.4 Test run from the outdoor unit .............................................................................................................148
7.5 Checking at test run ............................................................................................................................150
7.6 Refrigerant cycle checklist...................................................................................................................151
7.7 Test run check list ................................................................................................................................154
8. Electrical checks of main parts ............................................................................ 155
8.1 Inverter ................................................................................................................................................156
8.1.1 RAS-(4-6)HV(R/N)(C/P)2E .......................................................................................................................... 156
8.1.2 RAS-(4-6)H(R/N)(C/P)2E ............................................................................................................................ 158
8.1.3 Specications of inverter ............................................................................................................................. 160
8.1.4 Inverter time chart ....................................................................................................................................... 162
8.1.5 Protective function ....................................................................................................................................... 162
8.1.6 Overload control .......................................................................................................................................... 164
8.2 Thermistor ...........................................................................................................................................165
8.2.1 Thermistors for RAS-3HVRC2 .................................................................................................................... 165
8.2.2 Thermistors for RAS-(4-6)H(V)(R/N)(C/P)2E .............................................................................................. 166
8.3 Electronic expansion valve ..................................................................................................................169
8.4 High pressure protection device ..........................................................................................................170
8.4.1 RAS-3HVRC2 .............................................................................................................................................. 170
8.4.2 RAS-(4-6)H(V)(R/N)(C/P)2E ....................................................................................................................... 170
8.5 Noise lter (NF) ...................................................................................................................................171
8.6 Reactor (DCL) .....................................................................................................................................172
8.6.1 RAS-3HVRC2 .............................................................................................................................................. 172
8.6.2 RAS-(4-6)HV(R/N)(C/P)2E .......................................................................................................................... 172
8.6.3 RAS-(4-6)H(R/N)(C/P)2E ............................................................................................................................ 172
8.7 Rotary compressor .............................................................................................................................. 173