Maintenance And Cleaning; Check The Electronic Solar Switch For Wear - SMA SUNNY BOY 1100 Installation Manual

SMA Solar Technology AG
8 Maintenance and Cleaning
Check the correct operation of the Sunny Boy at regular intervals. Impurities such as dust or pollen
can cause heat accumulation that can lead to yield losses. Also check the Sunny Boy and the cables
for visible external damage. Undertake repairs if necessary.
8.1 Check the Electronic Solar Switch for wear
Check the Electronic Solar Switch for wear before plugging it in.
Result
☑ The metal tongues inside the connector
have no damage and no discoloration.
☑ The metal tongues inside the connector
have a brown discoloration or are burned
off.
Installation Guide
Action
1. Attach the Electronic Solar Switch handle.
2. Commission the Sunny Boy.
The Electronic Solar Switch can no longer reliably
disconnect the DC side.
1. Replace the Electronic Solar Switch handle
before attaching it again (order number see
section 12 "Accessories" (page 46).
2. Commission the Sunny Boy.
SB11_12_17-IEN094131

Maintenance and Cleaning

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