Hitachi YUTAKI ATW-YCC-03 Installation And Operation Manual page 28

ELECTRICAL AND CONTROL SETTINGS
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DSW1: Model setting
Setting is required.
Set DSW1 according to the Sub units model
YUTAKI S (*) YUTAKI S COMBI (*)
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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 in the Sub units and in the
YUTAKI CASCADE CONTROLLER.
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DSW2: Model capacity setting
Setting is required in order to match with the model of the YUTAKI Sub installed.
Factory setting 4.0 HP
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DSW3: Additional setting 1
Setting before shipment
1-step heater for 3-phase unit
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DSW4: Additional setting 2
Setting before shipment
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
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C A U T I O N
• Never turn all DSW4 dip switch pins ON. If this happens, the software of the unit will be removed.
• Never activate "Heater Forced OFF" and "Electric heater or boiler emergency mode" at the same time.
22 PMML0581 rev.1 - 02/2023 - 1000011627
5.0 HP 6.0 HP 8.0 HP 10.0 HP
7 8
7 8
7 8
7 8
7 8
7 8