Sonnen eco 10, Installation And Commissioning Manual, Page: 37 / 65

29
13. Install flange nuts
Fig. 58 Installing flange nuts
▶
Install the flange nuts onto the set screws.
▶
Torque the flange nuts to 25 in-lbs .
WARNING
Possible fire hazard by high contact
resistances and short circuit!
Incorrectly torqued DC wires and
bus bars can lead to short circuit
and excessive heating. This can
cause a fire, personal injury, and
damage to the battery modules.
▶
Check all DC connections. Only
red DC cables and bus bars are
permitted to be connected to
positive connections on the
battery modules. The black DC
cables and bus bars are only
permitted to be connected to
negative connections of the
battery modules.
▶
Torque all DC cables and bus bars
to 25 in-lbs .
14. Connect BMS communication cables
Fig. 59 Connecting BMS communication cables
The batteries are grouped for each cabinet.
▶
Identify battery communication ports
▶
LINK-IN
▶
LINK-OUT
▶
CONTROLLER
▶
Plug one end of the long, pre-installed BMS
homerun cable into the "Controller" port in
battery module No. 0.
▶
0
Fig. 60 Link-IN to Link-OUT daisy-chain
▶
Starting with battery module No. 0, daisy-
chain the battery modules in sequence: module