Hitachi YUTAKI RWM-2R1E Installation & Operation Manual page 101

ELECTRICAL AND CONTROL SETTINGS
7.3.1.3 LED indication
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RAS-(2/2.5/3)WHVRP1 and RASM-(2/3)VRE)
Name Colour
LED1 Red
LED2 Green
LED3 Yellow
LED4 Yellow
LED351 Red
LED353 Red
LD1 Red
LD2 Red
LD3 Red
LD4 Red
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RAS-(4-10)WH(V)NPE and RASM-(4-6)(V)NE
LED1 Red
LED2 Yellow
LED3 Green
87 PMML0575 rev.2 - 03/2022
PCB1
Power
Communication with inverter
H-LINK transmission
Not used
For inspection
For inspection
PCB2
For inspection
For inspection
For inspection
For inspection
LED Indication
This LED indicates the transmission status between the indoor unit and the unit controller
This LED indicates the transmission status between the indoor unit and the outdoor unit
Power source for the PCB
Indication