Hitachi YUTAKI S Series Technical Catalogue page 128

9 Electrical and control settings
Setting of DIP switches and RSW switches

DSW1: Additional setting 0
Factory setting. No setting is required.
YUTAKI S (*)
YUTAKI S COMBI (*)
YUTAKI M (*)
?
N O T E
(*): In case of installing the "Cooling kit" accessory, set the pin 4 of DSW1 to ON in order to enable the cooling operation.

DSW2: Unit capacity setting
Factory setting. No setting is required.
2.0 HP

DSW3: Additional setting 1
Setting before shipment

DSW4: Additional setting 2
Setting before shipment
DHW defrost
Heater forced OFF
Unit and installation pipes antifreeze protection
Standard / ECO water pump operation
Electric heater or boiler emergency mode
DHW tank's heater operation
120 TCGB0123 rev.2 - 10/2019
2.5 HP 3.0 HP
7 8
7 8
7 8
7 8
7 8
7 8
7 8