SMA sunny home manager - System Settings and Parameters; Entering String Properties

12 System Settings
12.1 Entering String Properties
A string describes a group of series-connected PV modules. Normally, a system is made up of
multiple strings. Each string has specific properties, such as deviation to south (azimuth) or the roof
tilt angle.
The yield forecast of the SunnyHomeManager plays an important role in load control. If you enter
the string properties of your system, the SunnyHomeManager can output very precise yield
forecasts.
Requirement:
☐ You must have the user role Installer or PV System Administrator (see Section13.1,
page120).
Procedure:
1. Call up the inverter properties (see Section8.2, page66).
2. Select [Edit].
☑ The menu for setting the device properties opens.
3. To add a new string, select [Add string].
4. To copy an existing string, select in the string line and the Copy column.
5. In the column Edit of the copied string line, select .
☑ The menu for setting the string opens.
6. Enter the string properties:
Input field or drop-down list Explanation
Designation
Name of the string, e.g. String 1
Manufacturer PV module manufacturer
Module type Depending on the selected manufacturer, different
module types are displayed in the drop‑down list.
Module power These values are entered automatically once you have
selected the module type. You can change the values
using or the arrow keys on the keyboard.
Module surface
Efficiency
Number of modules Number of modules forming the string
12 System Settings
SMA Solar Technology AG
User Manual 107HoMan_Portal-BA-en-20