Hitachi RAS-(4-12)HRNM(2)(E) - Outdoor Units PCB for es Series; Ras-(2-3)Hvrn(S)2

5 Control System
123
SMGB0064 rev.0 - 08/2011
5
Switch indication
DSW1
(PCB1)
Test run
DSW2 Piping length and selection function
DSW3 Capacity code
DSW4/RSW1 Ref. cycle number
DSW5 End terminal resistor
DSW6 Power source setting
N O T E
• The mark “■” indicates position of dips switches. Figures show setting before shipment or after selection.
• Not mark “■” indicates pin position is not affecting.
C A U T I O N
• Before setting dips switches, rstly turn off power source and set the position of the dips switches. If the
switches are set without turning off the power source, the contents of the setting are invalid.
5.2.2 Outdoor units PCB for ES Series
RAS-(2-3)HVRN(S)2
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
LED351 Red For inspection
LED353 Red For inspection
PCB2 LED indication
LED1 Red
These LEDS indicate the cause of unit stoppages
LED2 Red
LED3 Red
LED4 Red