SMA SUNNY CENTRAL Maintenance manual User Manual

Page 4

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Table of Contents

SMA Solar Technology AG

4

SCWAR-WEN094020

Maintenance Manual

3.6

Sunny Central 100LV / SC 125LV / SC 150 /SC 200 /

200HE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.7

Sunny Central 250 / 250HE . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.8

Sunny Central 350 / SC 350HE . . . . . . . . . . . . . . . . . . . . . . . 22

3.9

Sunny Central 500HE / 560HE / 400HE-11 / 500HE-11 /

630HE-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.10

Sunny Central 400 / 500 / 700 / 1000 / 1120MV. . . . . . . 25

3.11

Maintaining the heat exchanger. . . . . . . . . . . . . . . . . . . . . . . . 27

3.11.1

Disassembling the heat exchanger for
Sunny Central 200 / 250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3.11.2

Disassembling the heat exchanger of
Sunny Central 400HE-11 / 500HE-11 /630HE-11 . . . . . . . . . . . . . . . . . . 31

4

Covers and lockings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

4.1

Checking the emergency stop. . . . . . . . . . . . . . . . . . . . . . . . . . 35

4.2

Checking the door contact switch. . . . . . . . . . . . . . . . . . . . . . . 36

4.3

Checking the seals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

4.4

Checking of lockings and hinges . . . . . . . . . . . . . . . . . . . . . . . 37

5

Maintaining the inside of the switch cabinet . . . . . . . . . . 38

5.1

Checking the inside of the switch cabinet for contamination . . 38

5.2

Cleaning the power unit of the heat sink . . . . . . . . . . . . . . . . . 39

5.3

Cleaning the EVR resistor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

5.4

Checking the power cable connections . . . . . . . . . . . . . . . . . . 41

5.5

Checking the safety notices . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

5.6

Checking the Fans. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

5.7

Checking the heating and the hygrostat . . . . . . . . . . . . . . . . . . 43

6

Checking protective devices . . . . . . . . . . . . . . . . . . . . . . . 45

6.1

Checking the residual current circuit breaker in the SC 100 . . 45

6.2

Checking the circuit breaker . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

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