Exchanging The Fuses; Exchanging The Gfdi Fuse Within The Sunny Boy - SMA SUNNY BOY 5000-US Installation Manual

SMA America, LLC

10.5 Exchanging the Fuses

CAUTION
Risk of fire due to incorrectly dimensioned fuse.
Risk of injury due to fire.
• Only replace faulty fuses with fuses of the same type and size.

10.5.1 Exchanging the GFDI Fuse within the Sunny Boy

1. Disconnect the Sunny Boy on the AC and DC sides.
2. Wait 5 minutes until the residual voltage has been drained and the fans are no longer turning.
1. Open the Sunny Boy as described in section 6.3 "Opening the Sunny Boy" (page 39).
2. Replace the fuse (A).
For the correct position of the fuse, observe section "DC Input Grounding" on page 48.
A
3. Completely insert the fuse into the terminal.
4. Close the Sunny Boy as described in section 6.8 "Closing the Sunny Boy" (page 56).
5. Switch the AC and DC disconnect switches back on.
SB50US-80US-IA-en-36
Maintenance
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