16
GFI Jumper (J3)
Fuse Clips
PV Negative
PV Positive
Figure 3-11 Power Board Connections
9. Confirm that the DC disconnect is turned OFF and remove the material from the ar-
ray.
10. With a voltmeter, check the PV array positive leads in the DC disconnect and confirm
that the voltage is positive when referenced to the negative leads. The reading should
match your series V
oc
total.
11. Measure the DC voltage potential between the two fuse clips (see Figure 3-11) for the
1A fuse.
12. The voltage should be less than 25 volts absolute value. The DC and AC disconnects
can be turned OFF and the 1A fuse installed.
If the voltage is outside of this range (-25V to 25V), wait 10 minutes and check
again.
If (after 10 minutes) the voltage is still not in the range of -25V to 25V, check for
a ground fault or other incorrect wiring.
If the problem persists, contact PV Powered Technical Support at
1-877-312-3832.
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