Technical data

Chapter 5 Operation

Figure 5-10 Diagram of filter net disassembly (top)

5.4.2 Replacement of internal filter net

The instructions of “5.1.2 Shutdown” should be

followed before opening the inverter for maintenance.

Electric shock hazard:

All operations and wiring should be performed by

qualified technical personnel.

Disconnect the inverter from PV assemblies and the

power Grid before the maintenance and operation of the

equipment.

Steps of replacement (Figure 5-10):

(1) Screw off 7 M4 bolts on the backboard of the inverter with

a T25 wabbler screwdriver.

(2) Rotate the backboard downward and pull it out when it

turns to about 45°. Screw off the grounding cable from

the backboard and take away the backboard, as shown

in Figure 5-11.

Filter net