Hitachi RCI Service Manual page 182

Indoor units system free series & complementary systems
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5 Control system
RPK-(1.0/1.5)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
CN7
CN13
CN14
CN17
CN25
CN29
170
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
Air inlet
Air outlet
Freeze protection
Gas pipe
Fan motor

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