Hitachi YUTAKI RWM-2R1E Installation & Operation Manual page 104

ELECTRICAL AND CONTROL SETTINGS
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DSW4: Additional setting 2
Setting before shipment
Setting before shipment for YUTAKI S80: PIN 2 - ON
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N O T E
YUTAKI S80: PIN 2 must be switched OFF after vacuum procedure
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
- Open SV1/2 for vacuum and R-410A refrigerant recovery function (YUTAKI S80)
- DHW 3-way valve forced ON (All models)
- Disabled R-134a compressor (YUTAKI S80)
- Mirror function (YUTAKI M)
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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.
90 PMML0575 rev.2 - 03/2022
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