Hitachi UTOPIA RAS-4HVRP2E - Outdoor Units Printed Circuit Board (PCB); Ras-3 Hvrc2

5 Control System
Outdoor units Printed circuit board (PCB)
SMGB0136 rev.0 - 07/2021
84
5.2 Outdoor units Printed circuit board (PCB)
5.2.1 RAS-3HVRC2
Switch indication
DSW1 No setting required
DSW2 Function selection
DSW3 Capacity
DSW4 Ref. cycle number
DSW5 End terminal resistance
DSW6 Optional function
DSW7 Optional function
DSW1 Optional function
DSW301 Test run mode
DSW302 Pipe lenght
RSW1 Ref. cycle number
PSW1
Manual defrost operation switch. The defrost option
is manually available under the forced defrost area
PSW2
Available optional function. Setting can be selected
using the 7-segment display
PSW3
PCB1 LED indication
LED1 Red Power source for the PCB
LED2 Green
This LED indicates the inverter
transmission status
LED3 Yellow
This LED indicates the transmission
status between the indoor unit and the
outdoor unit
LED4 Red For checking 280V power source.
LD1 Red For inspection
LD2 Red For inspection
LD3 Red For inspection
LD4 Red For inspection
LED351 Red For inspection
LED353 Red For inspection