SQFlex Service Instructions

17 / 60
Electrical connection GF 80 solar modules (continued)
The solar panels must be connected to earth via a Protective Earth (PE) conductor
Note: To achieve good earth connection and thus to protect persons, it is of decisive importance to fit
the earth clips and earth terminals
Cable sizing chart
Note: max. cable length in feet; uses a max. 3 % voltage drop
Max. cable length between CU200 and SQF = 650 ft.
SQ Flex is most efficient at 120V and above. Grundfos recommends combining panels to produce 120
or above.
TM02 8643 0604
Panels
Power
(Wp)
Volts
(Vmp)
Amps
(lmp)
Volts
(Voc)
Amps
(lsc)
14
AWG
12
AWG
10
AWG
series parallel
1 80 33 2.4 42 2.6 82 130 207 1
2 160 67 2.4 83 2.6 164 261 415 2
3 240 100 2.4 125 2.6 246 391 622 3
4 320 133 2.4 166 2.6 328 522 829 4
5 400 167 2.4 208 2.6 410 652 1037 5
6 480 200 2.4 249 2.6 493 783 1244 6
7 560 233 2.4 291 2.6 575 913 1451 7
8 640 266 2.4 332 2.6 657 1044 1659 8
8 640 133 4.8 166 5.2 164 261 415 4 2
9 720 100 7.2 125 7.8 82 130 207 3 3
10 800 167 4.8 208 5.2 205 326 518 5 2
12 960 200 4.8 249 5.2 246 391 622 6 2
14 1120 233 4.8 291 5.2 287 457 726 7 2
15 1200 167 7.2 208 7.8 137 217 346 5 3
16 1280 133 9.6 166 10.4 82 130 207 4 4
18 1440 200 7.2 249 7.8 164 261 415 6 3
1
2
3
7
1
2
3
7
1
2
1
2
sqflex_SI_US_WG.book Page 17 Thursday, October 1, 2009 3:27 PM