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SMA STP 8000TL-10 User Manual

Page 42

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6  Electrical Connection

SMA Solar Technology AG

42

STP8-17TL-IA-en-31

Installation Manual

4. If more than 2 strings are to be connected, check

the first assembled DC connector to ensure correct
polarity and connect to input B of the inverter.
☑ The DC connector clicks audibly into place.

To release the DC connector (see Section 6.4.3
"Opening the DC Connector", page 39).

5. After connecting the string, watch out for messages

in the display and any acoustic signals.
Only continue if the following conditions are fulfilled:
– The green LED is glowing or flashing.
– There is NO acoustic signal after 30 seconds.
– NONE of the error messages 40, 64 or 82 are shown in the display.
Otherwise follow the relevant instructions in the following table:

Use of external string collection boxes

If string collection boxes are used, the functionality of the electronic string fuse may be limited.

Event

Measure

After 60 seconds, the
display is blank and the
Sunny Tripower is not
beeping although the DC
input voltage is over 188 V.

There is a fault in the Sunny Tripower.

• Ensure that the DC cables have not been reverse poled.
• Ensure that DC input voltage of over 188 V is present.
• Contact the SMA Service Line (see Section 16 "Contact",

page 126)