Hitachi YUTAKI M Bedienungsanleitung Seite 60
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6.4.2.4 DSW4
◆ Additional setting 2
DSW4
Factory setting
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
DHW 3‑way valve forced ON
Mirror function (YUTAKI Mirror)
!
CAUTION
• 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.
• For units using a Mirror box accessory, SWW1 must be changed to Local.
• When DSW4#1 is OFF and it is not required any combination with Mirror box accessory, set
SSW1 to Local in order to operate without Remote Controller.
PMEN0647 rev.0 - 11/2023
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