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SMA Solar Technology AG
• Energy meters with S0 interface* :
Energy meters with an S0 interface must output values netted across the line phases at the S0
interface. If necessary, contact the manufacturer of the energy meter.
Bidirectional meters with an S0 interface must be equipped with two S0 interfaces.
Recommended pulse length: at least 20 ms
Recommended pulse rate: 1,000 pulses per kWh
Information: for the function Limitation of active power feed-in, energy meters with an S0
interface must have the following minimum pulse rates:
– At a maximum allowed grid feed-in of more than 1,500 W: at least 250 pulses per kWh
– At a maximum allowed grid feed-in of less than 1,500 W: at least 500 pulses per kWh
Routers
SMA Solar Technology AG recommends the use of a router that supports DHCP.
Other Devices:
• Heat pump Stiebel Eltron WWK 300
• Heat pump Tecalor TTA 300
• Miele@home devices (e.g. washing machines, dryers) with Miele@home Gateway from
firmware version 4.0.x
• Devices which receive control commands directly from the Sunny Home Manager, or forward
such commands to connected loads, via a data exchange protocol defined by
SMA Solar Technology AG
– Air/heat pump Stiebel Eltron LWZ with Internet service gateway
– Air/heat pump Tecalor THZ with Internet service gateway
2.3 Skills of Qualified Persons
The tasks described in this manual must be performed by qualified persons only. Qualified persons
must have the following skills:
• Training in the installation and commissioning of electrical devices
• Knowledge of all applicable standards and directives
* S0 interface in accordance with DIN EN 62053-31, class A
Installation Manual
2 Safety
HoMan-IA-en-17
13
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