Printed Circuit Board For Kpi Complementary Systems - Hitachi RCI-1.0FSN3 Service Manual

5 Control system

5.1.9 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.
N O T E
• The symbol "■" indicates the position of the DIP switches. The figures show the setting before transmission
or after selection.
• If the "■" mark is not displayed, this indicates that the position of the pin is not affected.
LED1
LED3
LED4
LED1
LED2
LED3
PCN1
PCN2
PCN3
PCN5
PCN6
PCN7
PCN8
PCN10
PCN11
THM1
THM2
THM3
THM4
THM5
CN1
CN2
CN3
CN5
CN7
197
SMGB0077 rev.0 - 01/2013
PCB1 LED indicator
This LED indicates the transmission status between the indoor unit
Red
and the remote control.
This LED indicates the transmission status between the indoor unit
Yellow
and the outdoor unit.
Green PCB power supply
PCB2 LED indicator
Yellow H-LINK transmission 1
Green PCB power supply
Yellow H-LINK transmission 2
PCB1 Connector indication
230V transformer
Operation signal for electric heater installation
TB1 and PCB2
Air outlet thermistor
Air inlet thermistor
Liquid pipe thermistor
Gas pipe thermistor
TB1 and PCB2
Not used
Not used
Not used
Not used
Damper
Not used
Not used
Transformer
Not used
Not used
Not used
5