Samsung MWR-WW10N User Manual page 35

NOTE
Disinfection function is available only when a booster heater is connected.
Check tank capacity, booster heater capacity, and booster heater for issues if disinfection operation does
not work normally over the maximum operation time(E919 error).
Forced DHW by User's Input
Forced mode can be activated by changing setting value from the setting (#3011, "0" (No)).
Forced mode shall be working depending on Timer setting (#3051, #3052).
Additional Solar panel/DHW thermostat Installation for DHW with Heat Pump (Field Option)
Solar panel and heat pump are able to operate simultaneously by setting value. (FSV #3061, "1")
When using DHW thermostat, set the FSV #3061, "2".
Zone #1 and #2 valve always keep open except DHW mode in "ON" when the power is "ON" unless
changing the FSV #3071. Default: Room direction valves are open and DHW valve is closed.
Zone #1 and #2 can be open separately or simultaneously but all three zone valves can not be open or
closed at the same time.
There is one minute delay of 2-way / 3-Way valve closing whereas no delay of valve opening.
Individual zone control is only available with external thermostat.
FSV 3071 determines a 3-way direction.
Energy metering
To accurately indicate energy consumption, the capacity of the backup heater and booster heater must
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