8 Commissioning
SMA Solar Technology AG
Operating manual
SHP-US-20-BE-en-10
38
Procedure:
1. Position the enclosure lid and first tighten the upper-
left and lower-right screws, and then the remaining
screws crosswise (TX25, torque: 6 Nm ± 0.3 Nm
(53 in-lb ± 2.65 in-lb)).
2
1
12x
10x
2. Switch on DC via the PV combiner box or the external DC switch.
3. Switch on the AC circuit breaker.
☑ All three LEDs light up. The start-up phase begins.
☑ All three LEDs go out again after approximately 90 seconds.
☑ Depending on the available power, the green LED pulses or is continuously illuminated.
The inverter is feeding in.
4. If the green LED is still flashing, the conditions for activating feed-in operation are not yet met.
As soon as the conditions for feed-in operation are met, the inverter starts with feed-in
operation and, depending on the available power, the green LED will light up continuously or
it will pulse.
5. If the red LED lights up, an event has occurred. Find out which event has occurred and, if
necessary, initiate countermeasures.
Summary of Contents for SHP 125-US-20
Page 95: ......
Page 96: ...www SMA Solar com...
