Sunny Boy 2500U Installation and Operator’s Manual
SB2500U-11:NE - 17 - SMA Regelsysteme GmbH
Fig. 2.8: AC connection socket
• Connect the main 240 Volt AC-breaker box to the Sunny Boy by a 1/2“ conduit.
• Insert the conduit fitting in the very right opening of the Sunny Boy. Fasten the
fitting on the inside of the Sunny Boy with the nut.
• Pull the wires through the conduit into the interior of the Sunny Boy.
• Connect the wire L1 to the terminal labeled L in the Sunny Boy (see Fig. 2.8).
• Connect the wire L2 to the terminal labeled N in the Sunny Boy.
• Connect the equipment-grounding conductor to the terminal labeled PE in the
Sunny Boy.
• Torque wires with torque of 35 in-lb.
• Ensure all connections are correctly wired and properly torqued.
L1
L2
Ground
AC conduit and wiring
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