Printed Circuit Board Layout (Only Rpk) - Hitachi FSG1 Series Technical Catalogue

9.2.2.

PRINTED CIRCUIT BOARD LAYOUT (ONLY RPK)

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PCB drawing
The PCB in the Indoor Unit is operating with 5 types of
DIP Switches, 1 sliding Switch, 1 Rotary Switch and 1
push Switch. The location is as follows:
CONNECTOR INDICATION
PCN1 Transformer 220V
PCN7 Power Source (1-R, 3-S)
THM1 Inlet Air
THM2 Air Outlet
THM3 Liquid Pipe
THM5 Gas Pipe
CN1 Transformer (pin 1-2: 17.3V / pin 3-4: 20.8V
CN2 Control Circuit for Outdoor Unit H-Link
CN3 Input Optional Functions
CN4 Input Optional Functions
CN7 Output Optional Functions
CN8 Output Optional Functions
CN11 Expansion Valve Control
CN13 Remote control SW (PC-P1HE)
CN17 Swing Louver Motor 1
CONTROL SYSTEM
LED's INDICATION
LED1 Red
LED3 Yellow
LED4 Red
CONNECTOR INDICATION
CN22 Swing Louver Motor 2
CN25 PCB2 wireless Receiver Part connection
CN26 PCB1 (P) Connection
CN27 Not used
CN28 PCB1 (M) Connection
CN29 Fan Motor
CN201 PCB1 Wireless Receiver Part Connection
CN303 Not Used
HA Not Used
PSW301 Switch for emergency operation
DSW2 Optional Functions
DSW3 Capacity Code
DSW5 Ref. Cycle Nº
DSW6 Model Code
DSW7 Fuse Recover
RSW Setting of indoor unit number
9
/7
This LED indicates the
transmission state between
Indoor Unit and RCS
This LED indicates the
transmission state between
the indoor unit and outdoor
unit
Power Source for PCB