5 mounting the panels 5 contact – SMA SC 500HE-US Maintenance Manual User Manual

Page 8

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Table of Contents

SMA America, LLC

8

SC500HEUS-eng-WH-IUS120411

Maintenance Manual

4.3.11

Retightening the Connection of the Power Cables Using Cage Clamps
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

4.3.12

Checking the Seals on Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

4.3.13

Checking Locking Devices, Door Stops, and Hinges . . . . . . . . . . . . . . . . . . 35

4.3.14

Checking the Surface of the Switch Cabinet. . . . . . . . . . . . . . . . . . . . . . . . . 36

4.3.15

Checking the Switch Cabinet for Corrosion . . . . . . . . . . . . . . . . . . . . . . . . . 36

4.4

Performing Maintenance Work on Inverters with Activated

Control Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

4.4.1

Connecting the Control Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

4.4.2

Checking the AC Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

4.4.3

Checking Heating Elements, Fans and Hygrostat . . . . . . . . . . . . . . . . . . . . . 38

4.4.4

Checking the Heating Elements of the Low-Temperature Area Option
(Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

4.5

Mounting the Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

5

Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

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