INST
ALL
A
TION
MAN
UAL
For preventing electric shock and fire, the frame of PV module shall be
grounded properly. [Please be sure to remove a coated portion when grounding,
because the PV module aluminum frame is coated with anodizing.]
Configuration
Size and material
remarks
A
M4 Bolt
16mm
B
M4 Star washer
C
M4 Plat washer
D
M4 Cup washer
E
Grounding wire
12AWG
F
M4 Plat washer
G
M4 Nut
Materials
*SUS304: Bolt, Nut, Washer (Steel Use Stainless)
*Grounding wire: Copper
Torque: 0.9Nm ~ 1.1Nm
For the detail of Earth, refer to NEC
(
National Electric Code
)
690 grounding PV
arrays for special requirements.
8. Grounding Method
9. Detailed module specification
①
Electrical Specifications
STC
(Irradiance 1000W/m2 ,Module temperature 25℃, AP-1.5)
SN245P-10 SN250P-10 SN255P-10
Rated power(Pmax)
245 W
250 W
255 W
Voltage at Pmax(Vmp)
29.2 V
29.7 V
30.0 V
Current at Pmax(Imp)
8.39 A
8.42 A
8.50 A
Warranted minimum Pmax
245 W
250 W
255 W
Short-Circuit Current (Isc)
8.85 A
8.86 A
8.93 A
Open-Circuit Voltage (Voc)
37.3 V
37.3 V
37.6 V
Module Effeciency
15.00%
15.30%
15.61%
Operating module temperature
Maximum System Voltage
Maximum Series Fuse Rating
Maximum Reverse Current
Measurement tolerance
STC
(Irradiance 1000W/m2 ,Module temperature 25℃, AP-1.5)
SN300P-10 SN305P-10 SN310P-10
Rated power(Pmax)
300 W
305 W
310 W
Voltage at Pmax(Vmp)
35.6 V
36.0 V
36.3 V
Current at Pmax(Imp)
8.44 A
8.47 A
8.54 A
Warranted minimum Pmax
300 W
305 W
310 W
Short-Circuit Current (Isc)
8.88 A
8.90 A
8.96 A
Open-Circuit Voltage (Voc)
44.9 V
45.1 V
45.4 V
Module Effeciency
15.38%
15.64%
15.89%
Operating module temperature
Maximum System Voltage
Maximum Series Fuse Rating
Maximum Reverse Current
Measurement tolerance
■
60cells
■ 72cells
-40℃ to +85℃
1000VDC (IEC)
15A
20.25A
±
2.5%
-40℃ to +85℃
1000VDC (IEC)
15A
20.25A
±2.5%
Item
Value
Temperature coefficient of Isc
0.052%/℃
Temperature coefficient of Voc
-
0.312%/℃
Temperature coefficient of power
-
0.429%/℃
NOCT
(Air 20 ; Sun 0.8kW/m2 ; Wind 1m/s)
45
±3℃
③
Temperature Characteristics
[Before installation]
[After installation]
