Opening and closing
SMA America, LLC
48
SB8-10TL-IUS103811
Installation Guide
8 Opening and closing
8.1 Opening the Sunny Boy
1. Disconnect all AC and DC circuit breakers or load-disconnecting switches. Ensure they cannot
reconnect accidentally.
2. Wait alt least for 5 minutes for any residual voltages to dissipate.
3. Remove the six screws and lock washers from the enclosure lid. Pull the lid forward smoothly.
4. Place the lid, screws, and washers aside. They will be out of your way while you are connecting
wires and cables to the Sunny Boy.
☑ The Sunny Boy is open.
NOTICE
Electrostatic discharges.
Internal components of the Sunny Boy can be irreparably damaged by electrostatic
discharge.
• Ground yourself before you touch a component.
DANGER
During operation, high voltages are present in the Sunny Boy.
Death or serious injury due to electric shock.
• Open the Sunny Boy in the order described in the following procedure.
NOTICE
Ingress of water into the open Sunny Boy.
Damage to the Sunny Boy will result.
• Do not open the Sunny Boy when it is raining or when high humidity is present
(> 95 %).
• Be careful not to misplace the screws or the washers. All six screws and lock washers
are required to ensure that the lid is grounded properly and is fully sealed to the case.
• Handle the lid carefully. Even minor damage to the lid could result in an inadequate
seal between the lid and the enclosure, thus allowing moisture to enter the case and
damage the sensitive electronic components.
