Hitachi RAS-(3-6)HVNC1(E) Service Manual page 7

General index
4.3.2 Function of the of DIP switches and RSW switches .................................................................................... 103
4.3.3 Jumpers ....................................................................................................................................................... 107
4.3.4 LED's indication ........................................................................................................................................... 107
4.4 Electrical settings .................................................................................................................................... 108
4.4.1 Outdoor and indoor unit electrical wiring ..................................................................................................... 108
4.4.2 Wire size ...................................................................................................................................................... 109
4.5 H-LINK II system......................................................................................................................................111
4.5.1 Features .......................................................................................................................................................111
4.5.2 Specifications ...............................................................................................................................................111
4.5.3 DIP Switch setting for twin, triple and quad systems ....................................................................................112
4.5.4 Examples of the system of connection between H-LINK and H-LINK II units ..............................................113
4.5.5 Examples of H-LINK II system .....................................................................................................................114
4.6 System Control ....................................................................................................................................... 116
4.6.1 Individual Operation .....................................................................................................................................116
4.6.2 Simultaneous Operation ...............................................................................................................................117
4.7 Electrical wiring diagrams ....................................................................................................................... 118
4.7.1 RAS-(2-2.5)HVNP1 / RAS-3HVNC1 (1~ 230V 50Hz) ..................................................................................118
4.7.3 RAS-3HVNP1E (1~ 230V 50Hz) ................................................................................................................. 120
4.7.4 RAS-(4-6)HVNP1E (1~ 230V 50Hz) ........................................................................................................... 122
4.7.6 RAS-(4-6)HNP1E (3N~ 400V 50Hz) ........................................................................................................... 124
4.7.7 RAS-(4-6)HVNC1E (1~ 230V 50Hz) ........................................................................................................... 126
4.7.8 RAS-(4-6)HNC1E (3N~ 400V 50Hz) ........................................................................................................... 128
4.7.10 RAS-(8-10)HN(P/C)E (3N~ 400V 50Hz) ................................................................................................... 130
4.7.12 RAS-12HN(P/C) (3N~ 400V 50Hz) ........................................................................................................... 132
5. Control System ...................................................................................................... 135
5.1 Device control system............................................................................................................................. 136
5.2 Outdoor units PCB .................................................................................................................................. 138
5.2.1 RAS-(2-2.5)HVNP1 / RAS-3HVNC1 ........................................................................................................... 138
5.2.2 RAS-3HVNP1E ........................................................................................................................................... 139
5.2.3 RAS-(4-6)H(V)NP1E ................................................................................................................................... 140
5.2.4 RAS-(4-6)H(V)NC1E ................................................................................................................................... 141
5.2.5 RAS-(8-10)HN(P/C)E .................................................................................................................................. 142
5.2.6 RAS-12HN(P/C) .......................................................................................................................................... 143
5.3 Protection and safety control .................................................................................................................. 144
5.4 Standard operation sequence................................................................................................................. 145
5.4.1 Cooling operation ........................................................................................................................................ 145
5.4.2 Dry operation ............................................................................................................................................... 147
5.4.3 Heating operation ........................................................................................................................................ 149
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SMGB0087 rev.0 - 12/2013