Sunny Boy 2500U Installation and Operator’s Manual
SB2500U-11:NE - 9 - SMA Regelsysteme GmbH
CAUTION: Please note the following points in any case:
• The mounting background must be firm.
• The ambient temperature must be between -13 °F and +140 °F.
• The National Electrical Code (NEC) requires that the inverter be
connected to a dedicated circuit and no other outlets or device may
be connected to this circuit. See NEC Section 690-64(b)(1). The
NEC also impose limitations on the size of the inverter and the man-
ner in with it is connected to the utility grid. See NEC Section 690-
64(b)(2).
• Do not expose the string inverter to direct sunlight (if necessary in-
stall a shading roof).
• A minimum distance of 8 inch (200 mm) must be clear above the in-
verter for ventilation, i. e. no cupboards, ceiling, etc.
• Free air circulation around the case must not be obstructed.
• If you are installing the Sunny Boy in a cabinet or closet etc., the ai
circulation must be sufficient for heat dissipation - provide external
ventilation.
• The heat sink can reach a temperature of more than 175
o
F.
• Check existing electrical installations or plumbing prior to drilling
holes into the wall.
• Provide a correct position of the inverter - see below:
mount straight or tilted to the back never mount tilted to front
Fig. 2.1: How to mount the Sunny Boy
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