Printed Circuit Board For Kpi Complementary Systems - Hitachi RCI Service Manual

5 Control system
RPK-(2.0/4.0)FSN(H)2M
The indoor unit PCB operates with four types of DIP switches, a slide switch, a rotary switch and a button switch. The
position is as follows:
LED1
LED3
LED4
THM1
THM2
THM3
THM5
CN2
CN3
CN5
CN7
CN13
CN14
CN17
CN10
CN550
PSW301, PSW302
DSW6, RSW1
DSW5, RSW2
DSW2
DSW3
DSW7

5.1.6 Printed circuit board for KPI complementary systems

C A U T I O N
Turn off the power supply before setting the DIP switches. If not, the settings will not be valid.
172
SMGB0063 rev. 1 - 10/2010
LED indicator
This LED indicates the transmission status between the indoor unit and the
Red
remote control.
This LED indicates the transmission status between the indoor unit and the
Yellow
outdoor unit.
Red PCB power supply
Connector indication
Outdoor unit H-LINK control circuit
Optional input functions
Optional output functions
SW remote control
Expansion valve control
Swing louver motor
Connection of the PCB3 wireless receiver part
Switch indication
Changeover switch for emergency operation
Indoor unit setting
Refrigerant cycle number
Optional functions
Fuse re-establishing
Air inlet
Air outlet
Freeze protection
Gas pipe
PCB3 connection
Fan motor
Capacity code