Ras-(4-6)H(V)(R/N)(P/C)2E; Ras-(4-6)Hv(R/N)(C/P)2E (Pcb1) - Hitachi UTOPIA RAS-4HVRP2E Service Manual

5 Control System
Outdoor units Printed circuit board (PCB)

5.2.2 RAS-(4-6)H(V)(R/N)(P/C)2E

RAS-(4-6)HV(R/N)(C/P)2E (PCB2)
Display
(7SEG)
SEG1
PSW1 PSW2 PSW3
DSW7
DSW1 and PSW can be operated while power source is ON.
It may take up to 20 seconds for the change of operation state (RUN/STOP) to be effective after having set DSW1.
!
C A U T I O N
Before changing the settings of the DSWs, the voltage supply should be disconnected. Otherwise, the new settings will not be valid.

5.2.2.1 RAS-(4-6)HV(R/N)(C/P)2E (PCB1)

Connector
Fuse
Check Point
85 SMGB0136 rev.0 - 07/2021
DSW3
DSW2 DSW6
DSW4 DSW1
RSW1
Item
LED
5V
GND
12V
RAS-(4-6)H(R/N)(C/P)2E (PCB)
Display
(7SEG)
DSW1
SEG1
DSW2
PSW1 PSW2 PSW3
DSW3
DSW4
RSW1
DSW7 DSW6
DSW5
Part Name
LED1, LED2, LED***
PCN***, CN***
FU1, FU2
5V, 12V, GND
FU2 FU4
5
FU1
LED1