Hitachi RCI - 5 Control System

5. C o n t r o l s y s t e m
Index
5.1 Device control system................................................................................................................ 160
5.1.1 Printed circuit boards for RCI(M) indoor units............................................................................... 161
5.1.2 Printed circuit boards for RCD indoor units................................................................................... 163
5.1.3 Printed circuit board for RPC, RPF(I), RPI(M) units...................................................................... 166
5.1.4 Printed circuit board for RPI-(8.0/10.0) FSN2E units.................................................................... 167
5.1.5 Printed circuit board for RPK-FSN(H)2M units.............................................................................. 169
5.1.6 Printed circuit board for KPI complementary systems.................................................................. 172
5.2 Safety protection and control...................................................................................................... 175
5.3 Standard control functions.......................................................................................................... 176
5.3.1 Freeze protection during the cooling or dehumidification process................................................ 176
5.3.2 Indoor electronic expansion valve control..................................................................................... 177
5.3.3 Activation of the control with protection device............................................................................. 178
5.3.4 Automatic cooling/heating operation control................................................................................. 179
5.3.5 Preventive high-pressure increase control.................................................................................... 179
5 Control system
159
SMGB0063 rev. 1 - 10/2010
5