PV Powered 1100, Инструкция по установке и эксплуатации

Страница: 22 / 42

Grid-Tied Residential Inverters
Installation and Operation Manual
15
WARNING
Negative grounded array:
On a standard negatively grounded PV array, break only
the positive wire(s) in the DC disconnect. Do NOT break the negative wire(s).
Positive grounded array:
On a positively grounded PV array, break only the nega-
tive wire(s) in the DC disconnect. Do NOT break the positive wire(s).
!
WARNING
Do not connect or disconnect the jumper while the inverter is supplied with
DC or AC power. !
7. Remove the 1A fuse and select the negative or positive grounding jumper included
with the inverter (see Figure 3-10).
Negative ground
jumper has a
black wire
Positive ground
jumper has a
red wire
Figure 3-10 Positive and Negative Jumpers
8. Install the grounding jumper (see Figure 3-11) with the white wire on the right into
connector J3 on the power board.
NOTE:
For all temperature conditions, the V
oc
for each series
connection
must
total less than the VDC indicated in Table
3-4 for all residential inverter models.
Review the PV panel’s data sheet for operating temperature ranges.
2. Keep track of the array positive and negative leads and mark them clearly.
3. Route the PV array leads through the far right opening in the inverter.
4. Connect each series positive DC lead to the positive terminals of the power
distribution board.
5. Connect the negative DC leads directly to the negative terminal on the power
distribution board.
6. Connect the ground wire(s) to the ground lug.