SMA SUNNY BOY STORAGE 3.8-US Instructions D'installation page 33

SMA Solar Technology AG
6.1.2 Interior View
Figure 9 : Connection areas in the interior of the inverter
Position Designation
A DC-in slot for DC connection
B Jack for connecting the ribbon cable for the connection of the communication
assembly to the Power Unit.
C COM slot with inserted ribbon cables to connect communication assembly
and battery interface module with Power Unit
D Slot for slim ribbon cable to connect Power Unit with battery interface module
E Auxiliary battery (3.6 V, 2600 mAh, size: AA / 14500)
After switching the black-start switch, energy is made available from the auxil-
iary battery in order to switch the battery and therefore also the inverter on
when they are in sleep mode. The auxiliary battery is designed to function for
the entire service life of the product and must not be replaced when used in
the usual manner.
F
Slot AC-out for direct connection to utility grid or automatic transfer switch
G
SPS slot for connecting the secure power supply outlet
H Communication assembly
I Battery Interface Module
J Jack to connect switch for secure power supply operation or switch for black
start function
Installation Manual
6 Electrical Connection
SBSxx-US-10-IA-xx-14 33