36
Figure 5.13
Locking a nut
Step 5
Measure the voltage of every route Strings using a multimeter. Ensure that the
voltage of each string is within the specified range: 600VDC and check that the polarities
of the DC input power cables are correct, as shown in Figure 5.14.
Figure 5.14
Checking the voltage of every PV String
Step
6 Pull out the blue dustproof plugs from the ends of the DC input connectors. Insert
the positive and negative connectors into the corresponding connector terminals of the
3K/5K until a "click" sound is heard, as shown in Figure 5.15.
