SMA S Technical Description page 52

Electrical Connection of the Sunny Backup 2200
3. Remove the external membrane of requisite
double membrane glands with the aid of a
knife.
4. Cut the DC cables (35 mm² cross-section)
to length and strip the insulation.
5. Feed the DC cables into the housing
through the double membrane glands.
Connect the Sunny Backup 2200 on top of
the housing (two cable openings) and the
battery to the bottom (four cable openings).
6. Attach a suitable conduit lug to the exposed
cable ends.
7. Screw the conduit lug to the appropriate
connection terminal and tighten each screw
at 4 Nm.
Make sure the polarity of the cables is
correct!
DANGER!
Risk of lethal electric shock.
• Insert the NH fuse into the BatFuse A.01 bracket only after all installation work in the
Backup System S has been completed (see pages 7 to 9 ).
You can therefore skip the following paragraphs and continue with section
7.2.3 „Connecting the Battery" (53).
52 SBU2200-TEN083320
SMA Solar Technology AG
Technical Description