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1 measurement accuracy – SMA SC 500HE-US Installation User Manual

Page 84

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11  Technical Data

SMA America, LLC

84

SC500HEUS-IA-US_en-14

Installation Manual

*The Sunny Central 500HE-US was evaluated by UL for compliance with UL 1741 at the inverter
terminals and with UL Recognized external transformer Model DLHX0724T07001, Manufactured by
J. Schneider. This transformer is rated for a voltage of 200 V L-L on the primary side and an impedance
less than or equal to 6%.

Efficiency

11.1 Measurement Accuracy

The Sunny Central is not equipped with a calibrated meter. The display values may deviate from the
actual values and must not be used as a basis for invoicing. The Sunny Central’s measured values are
required for the system management and to control the current to be fed to the grid.

Deviation

Ambient temperatures

− 13°F to 113°F ( − 25°C to 45°C)
(without power reduction)
− 13°F to 122°F ( − 25°C to 50°C)
(with power reduction)

Storage Temperature

− 13°F to 140°C

Display read-out ambient temperatures

5°F to 113°F

Cooling

Temperature-controlled forced fans for cooling.
Easily removable filters, easily accessible.

Dimensions W x H x D, including roof

101 x 90 x 38 in.
(2,562 mm x 2,277 mm x 955 mm)

Weight

3,970 lbs.

Enclosure rating

NEMA 3R, stainless steel and aluminium

Current THD

< 5% (with respect to IEEE 1547)

Power factor

0.9 leading to 0.9 lagging

Internal consumption

<110 VA Standby, <1,700 VA with fans

Compliance *

UL 1741, IEEE-1547

Maximum efficiency

approx. 98.6%

CEC efficiency

98%

Voltage measurement:

+/–5.6 V

Frequency measurement:

+/–0.08 Hz

Disconnect time:

+/–4.5%

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