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2 Safety
– You will find a list of supported energy meters with D0 interface in the planning
guidelines "SMA Smart Home" at www.SMA-Solar.com.
– Recommended resolution: at least 10 Wh
– Information: for the function Limiting of active power feed-in, the energy meters with
D0 interface must have a resolution of at least 1 Wh.
• Energy meter with S0 interface in accordance with DIN EN 62053-31, class A:
– Energy meters with an S0 interface must output cumulative values of all line conductors
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: 1000 pulses per kWh
– Information: for the function Limiting of the 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 1500 W: at least 250 pulses per
kWh
– At a maximum allowed grid feed-in of less than 1500 W: at least 500 pulses per
kWh
Router
The use of a router that supports DHCP is recommended.
All network components used must support the IGMP protocol, minimum version 3 (IGMPv3).
Other Devices
The following devices can be controlled via a radio-controlled socket. Suitable load profiles are
already available for these devices in Sunny Portal.
• Heat pump Stiebel Eltron WWK 300
• Heat pump Tecalor TTA 300
The load profiles apply for all devices of the Stiebel Eltron WWK electronic range and the Tecalor
TTA electronic range. Refer to the manufacturer manual for information on how to connect the
devices.
Smart appliances
The following household devices have been fitted with the energy management data protocol and
have been tested with SMA Smart Home (status: June 2015, additional devices in preparation).
• Stiebel Eltron heat pumps in conjunction with the Stiebel Eltron ISG web and the EMI software
module:
– Integral systems:
– LWZ 303, 403 (Integral/SOL) from manufacture date 08/2008
– LWZ 304, 404 (SOL)
– Air/water heat pumps:
16
HoMan-IA-en-20
SMA Solar Technology AG
Installation Manual
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