Printed Circuit Boards For Rci-(1.0-6.0)Fsn3Ei - Hitachi RCI-1.0FSN3 Service Manual

5 Control system
CN36
EFR1
EFS1
DSW3
DSW4
DSW5, RSW2
DWS6, RSW1
DSW7
DSW9

5.1.2 Printed circuit boards for RCI-(1.0-6.0)FSN3Ei

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.
The indoor unit PCB operates with five types of DIP switches and two rotary switches. The position is as follows:
LED1
LED3
LED4
PCN4
PCN6
PCN7
PCN301
PCN302
THM1
185
SMGB0077 rev.0 - 01/2013
Connector indication
HA
Switch indication
LED indicator
Red
Yellow
Red
Connector indication
Motor for drain discharge mechanism
PCB1 fuse
PCB1 fuse
Not used
Capacity code
Unit model code
Refrigerant cycle number
Indoor unit number settings
Fuse re-establishing
Not used
This LED indicates the transmission status between the indoor unit
and the remote control.
This LED indicates the transmission status between the indoor unit
and the outdoor unit.
PCB power supply
Not used
Drain pump
Printed circuit board 2
Terminal board
Printed circuit board 1
Air inlet thermistor
5