SMA NR-PL-DCEMV5-01 Manual page 24

7 Replacing the DST Assembly
7. Tighten the 3 connecting screws of the DST printed
circuit board (TX20, torque: 3.5 Nm (31.0 in-lb)).
When doing so, follow the sequence shown.
8. Tighten the screws on the 2 DC connections (TX20,
torque: 6.0 Nm (53.1 in-lb)). Observe the polarity
of DC- (blue) and DC+ (red).
24 STP50-DC-EMV-DST-RM-xx-10
SMA Solar Technology AG
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Replacement Manual
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