Sma SB 6000TL‑US Installation User Manual download pdf (Page 55)

SMA America, LLC 8 Opening and Closing

Installation Manual SB6-11TL-US-IA-en-13 55

8 Opening and Closing

8.1 Opening the Sunny Boy

1. Switch off all AC and DC breakers or switch-disconnectors. Ensure that the switches cannot be

inadvertently reconnected.

2. Wait at least 5 minutes until the residual voltage has been drained.

3. Remove the 6 screws and conical spring washers from the enclosure lid. Pull the lid smoothly off

forwards.

4. Put the cover, screws, and washers aside.

☑ The Sunny Boy is open.

High voltages are present in the Sunny Boy during operation

Death or serious injury due to electric shock.

• Only open the Sunny Boy in the order described as follows.

Moisture can penetrate the open Sunny Boy

Potential damage to the Sunny Boy.

• Do not open the Sunny Boy in the event of rain or a high level of humidity (>95%).

• Handle the enclosure lid with care.

Damage to the seal of the enclosure lid during frost

When opening the Sunny Boy during frost, the seal of the enclosure lid can be damaged. There

may be an ingress of moisture damaging the Sunny Boy.

• Do not open the Sunny Boy when the outdoor temperature is below 23°F ( − 5°C).

Electrostatic discharges through touching component parts

Potential damage to the Sunny Boy.

• Ground yourself prior to touching a component part.

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Sma SB 6000TL‑US Installation User Manual Page 55