SMA sunny home manager User Manual page 88

9 Load Control
Procedure:
1. Select Configuration > Load Overview and Planning in the page and menu selection.
2. In the line of the desired load, in the column Configuration, select
3. In the tab Name of Load, select the button [Edit].
4. Select [Configure time period].
5. If the load must definitely be switched on within the time period, select Load must be
switched on (default setting).
6. If the load is only to be switched on under certain conditions within the time period, select
Load can be switched on.
☑ The window Load will be switched on depending on opens.
7. Select the option Maximum permitted energy costs or the option Proportion of PV
energy and set the slider to the desired value (see Section Time Period Type "Load can be
switched on": Configuring the Conditions for Switching on the Load).
Time Period Type "Load Can be switched on": Configuring the Conditions for
Switching on the Load
The Sunny Home Manager can switch on the load depending on the proportion of PV energy or
depending on the maximum permissible energy costs.
Optional time period: In some cases, the load is not switched on
If the configured proportion of PV energy is not attained or the maximum permissible energy costs
are exceeded, it is possible that the load will not receive any energy in the optional time period
and the radio-controlled socket is not switched on.
Proportion of PV energy:
You can set the load to be switched on only if a certain minimum proportion of PV energy is
available to operate the load. If the function Limiting of the active power feed-in is activated
(see Section 12.9, page 114), you can also set the proportion of surplus PV energy that would
otherwise be derated.
Example: Operating loads with at least 50% PV energy
A washing machine is only to be switched on if 50% of the washing machine's energy requirement
can be covered by PV energy.
• The slider is set to 50%. Only if enough PV energy is available, the washing machine is
switched on.
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SMA Solar Technology AG
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User Manual