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22 INSTALLATION
7
8
DANGER! Improper DC wiring can lead to life-threatening injuries.
Improperly connecting the DC cables can cause short circuits in one or several battery modules. This can cause
components to massively overheat and potentially ignite, which could lead to serious injuries. Pay particular
attention therefore to the following points:
•
Ensure that the wiring has been properly carried out in accordance with section "5.5 Battery module wiring"
on page 17 et seq.
•
Make sure that the plugs of the DC cables click audibly into place when they are attached.
DANGER! Risk of death due to electric shock even before grid connection
The battery modules have a voltage of 50.0 +/- 0.1 V
installed, the voltage of the battery modules increases as they are connected in series. If all modules are con-
nected, parts of the unit will have an operating voltage of up to 930 V
Contact with the live components can lead to serious or fatal injuries. Therefore, make sure that you comply with
the relevant health and safety regulations.
ATTENTION! Improper wiring can lead to damage to the unit.
Incorrect DC wiring will cause a short circuit and the battery modules will have to be replaced. Damage to the
SMA HV APU may also occur.
9
© SMA Solar Technology AG Subject to changes to the technical content! Version 1.1 Last updated 04/2021
Insert the first battery module into the slide rails below the
SMA HV APU. Attach the module to the pre-fitted cage nuts using four
M6 x 16 pan head screws
11 . 4
Now mount the remaining modules in the left half of the cabinet. If 16
battery modules are used, the lowest position will also be occupied.
Once the left half of the cabinet has been fully equipped, install the bat-
tery modules on the right side. Start at the height of the uppermost left
module (keeping the position at the APU level free). Attach the module
to the pre-fitted cage nuts using four M6 x 16 screws
Then place the next module below the one that has already been
installed, attach it as described and continue until all the modules have
been installed.
upon installation. When the DC connectors are
DC
When installing the DC wiring, please note the following: The plugs
must audibly click into place. The plugs can be released by press-
ing the push button on the side of the plug (see markings in the figure).
(cross head) incl. plastic washers
11 . 4
before grid connection/commissioning.
DC
.
11 . 2
incl. washers.
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