7 Replacing the DST Assembly
9. Tighten the screws on the two power connections
(TX20, torque: 6.0 Nm (53.1 in-lb)). The assignment
of the blue and black cable must not be observed
since both connections are interconnected.
10. Insert the cables (1 red, 2 light blue, 1 white, 1
green, 1 black and 1 purple) into the terminals on
the board and make sure that all cables are tight.
11. Information: Secure the cables using the cable tie as shown.
12. Plug in all plugs on the assembly and ensure that the ribbon cable locks are snapped into
place and that the 2-pole plugs are plugged with both contacts.
13. Installing the DC EMV Assembly (see Section 6.2, page 17).
26
STP50-DC-EMV-DST-RM-xx-12
SMA Solar Technology AG
Replacement Manual