Samsung AE090JNYDEH User Manual page 54

Maintaining the unit
<Emergency hot water supply_(when using FSV #3011, 3031)>
• Hot water is supplied only by the booster heater if the outdoor unit malfunctions.
• Enabling the function : Turn off the Control kit Dip S/W #2, and then turn the power off and on.
• Disabling the function : Turn on the Control kit Dip S/W #2, and then turn the power off and on.
• Default operation : Automatic hot water supply is performed at a set temperature of 50°C.
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