Hitachi YUTAKI ATW-YCC-03 Installation And Operation Manual page 55

◆ DSW16 & RSW1: Not used
Factory setting

NOTE
Don't change this setting, otherwise malfunction will be occur.
◆ SSW1: Remote/Local
SSW1
Factory setting
Remote operation

NOTE
(*) Don't change this setting, otherwise malfunction will be occur.
◆ SSW2: Heat/Cool (when SSW1 is in local setting)
SSW2
Factory setting
Heat operation

NOTE
(*) Don't change this setting, otherwise malfunction will be occur.
5.3.2 LED indication
PMEN0581 rev.2 - 04/2023
DSW16
Remote
Local(*)
Heat
Cool(*)
Name Colour
LED1 Green Power indication
LED2 Red Power indication
Heat pump operation (thermo ON/
LED3 Red
OFF)
LED4 Yellow Alarm (flickering with 1 sec interval)
LED5 Green Not used
LED6 Yellow H-LINK transmission
LED7 Yellow H-LINK transmission for unit controller
RSW1
Indication
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