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SMA SUNNY BOY 3000-US - Page 8

SMA SUNNY BOY 3000-US
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Table of Contents SMA America, LLC
8 SB30-40-US-IA-en-33 Installation Manual
5.6.1 Inserting the DC Varistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
5.6.2 Mounting the DC Disconnect on the Wall . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.7 Mounting the Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
6 Electrical Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6.1 Safety During Electrical Connection . . . . . . . . . . . . . . . . . . . . . 35
6.2 Overview of the Connection Area . . . . . . . . . . . . . . . . . . . . . . 36
6.2.1 Interior Connection Area. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.2.2 Connection Area of the Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
6.2.3 Connection Area of the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
6.3 AC Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
6.3.1 Inserting the AC Cables into the DC Disconnect. . . . . . . . . . . . . . . . . . . . . . 39
6.3.2 Connecting the AC Cables to the DC Disconnect. . . . . . . . . . . . . . . . . . . . . 40
6.3.3 Connecting the AC Cable of the DC Disconnect to the Inverter . . . . . . . . . . 41
6.4 DC Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
6.4.1 Inserting the DC Cables into the DC Disconnect. . . . . . . . . . . . . . . . . . . . . . 42
6.4.2 Grounding the DC Disconnect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6.4.3 Grounding the DC Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6.4.4 Connecting the DC Cables to the DC Disconnect. . . . . . . . . . . . . . . . . . . . . 46
6.4.5 Connecting the DC Cable of the DC Disconnect to the Inverter . . . . . . . . . . 47
6.5 Connecting the Combiner Box to the DC Disconnect . . . . . . . . 49
7 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
7.1 Automatic Line Voltage Detection. . . . . . . . . . . . . . . . . . . . . . . 51
7.2 Possible Grounding Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . 52
7.3 Jumper Assignments for Grounding Systems . . . . . . . . . . . . . . 53
7.4 Changing the Display Language . . . . . . . . . . . . . . . . . . . . . . . 55
8 Commissioning the Inverter. . . . . . . . . . . . . . . . . . . . . . . . 56
9 Opening and Closing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
9.1 Opening the Inverter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
9.2 Closing the Inverter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

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