Copyright CPS America Co., Ltd. Page 57
If the cooling fan is too dirty, a vacuum cleaner can be used to clean the PV
Inverter from the top. If the cleaning procedure does not fixed the problem,
call our after-sales service personnel to determine the status of the cooling
fan and make a replacement. The following procedures describes how to
change the cooling fan, please read and understand all procedures before
doing so.
A)
Switch off the DC/AC disconnect switch and wait for at least three
minutes to discharge the stored energy in the PV inverter.
Figure 9.1.1: Turn off DC/AC switch
B)
Unfastening all screws located in each corner as highlighted in figure
9.1.2. After the screws are removed, take off the top cover of the cooling
fan from PV Inverter as shown in the figure below:
Figure 9.1.2: Screws for the external cooling fan