Hitachi YUTAKI RWM-2R1E Installation & Operation Manual page 110

ELECTRICAL AND CONTROL SETTINGS

DSW7: Additional setting 4
Factory setting
Compatibility with ATW-RTU-04 (When cooling mode operation is needed)

DSW8: Not used
Factory setting
(Do not change)

DSW15 & RSW2: Refrigerant cycle number setting for YUTAKI CASCADE CONTROLLER
Set and assign to each outdoor unit a different refrigerant cycle number through DSW4 and RSW1 on the outdoor units PCB.
Set for each unit the same refrigerant cycle than its outdoor unit (DSW15 and RSW2).
Factory setting
It is recommended to set the refrigerant cycle number from 0 and correlatively (1,2,3,....) per each module in order to match with the
address number shown in the LCD remote controller. If a different rule is used for assign the refrigerant cycle number it is necessary
to set the is set the same refrigerant cycle number in the LCD remote controller.
96 PMML0575 rev.2 - 03/2022
DSW15
Example for ATW-YCC-03
RSW2