Hitachi RCI Service Manual page 185

5 Control system
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
PCN1
PCN5
PCN7
THM1
THM2
EF1
EF2
EFS1
EFR1
CN1
CN2
CN3
CN4
CN7
CN8
CN11
CN12
CN13
CN17
CN401
CN402
CN403
CN404
173
SMGB0063 rev. 1 - 10/2010
LED indicator
Green PCB power supply
This LED indicates the transmission status between the indoor unit and the
Yellow
remote control.
This LED indicates the transmission status between the indoor unit and the
Red
outdoor unit.
Connector indication
220 V transformer
Power supply (1-R, 2-S, 3-N, 4-E)
Transformer (pins 1-2: 17.3 V/pins 3-4: 20.8 V)
Outdoor unit H-LINK control circuit
Optional input functions (only 2)
Optional input functions
Optional output functions (only 2)
Optional output functions (no. 1, no. 2, only 1)
PCB3 connection
Remote control jumper connection for several units
SW remote control
PCB2 connection
Fan motor relay
Fan motor relay
Fan motor relay
Fan motor relay
PCB1 relay
Air inlet
Air outlet
Fuse
Fuse
Fuse
Fuse
5