6 Connecting the Sunny Home Manager SMA Solar Technology AG
20 FSS-IS-en-42 Installation Manual - Quick Reference Guide
6 Connecting the Sunny Home Manager
Figure6: Connecting the Sunny Home Manager
Requirements:
☐ All Speedwire devices must be connected to the same router.
☐ The router and the optional network switch must fully support Multicast.
☐ The router must support "Internet Enabled Devices" with the interfaces SIP and STUN.
The most common routers and network switches support Multicast and "Internet Enabled Devices".
Position Designation Description / information
A AC power cable Terminal AC2 Gen/Grid, terminals L, N
TT
und PE
Utility grid connection with a three-wire cable
Connect slave 1 to line conductor L2, connect slave 2 to line conductor L3.
Conductor cross-section: 6 mm² to 16 mm²
B Grounding conductor Terminal AC1 Loads/SunnyBoys, terminal PE
Additional grounding if the conductor cross-section of the AC power cable
is less than 10 mm².
The conductor cross-section must equal at least the conductor cross-section
of the AC power cable.
C DC+ cable Battery terminal
Conductor cross-section: 50 mm² to 95 mm²
Cable diameter: 14 mm to 25 mm
Torque: 12 Nm
D DC − cable
E Data cable for the internal
communication in the cluster
Terminal ComSync In
With slave 1: connection of internal communication bus of master
With slave 2: connection of internal communication bus of slave 1
F Data cable for the internal
communication in the cluster
Terminal ComSync Out
With slave 1: connection of internal communication bus after slave 2
With slave 2: leave terminator plugged in. Slave 2 is connected to slave 1
only.
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