SUN2000-(30KTL-A, 33KTL, 40KTL)
User Manual
8 System Maintenance
Issue 04 (2016-06-20)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
82
8
System Maintenance
8.1 Routine Maintenance
Before cleaning the system, and maintaining the cable connections and grounding
reliability, power off the system (see
6.2 Powering Off the SUN2000
) and ensure that the
DC SWITCH on the inverter is OFF.
If you need to open the maintenance compartment door in rainy or snowy days, take
protective measures to prevent rain and snow entering the maintenance compartment. If it
is impossible to take protective measures, do not open the maintenance compartment door
in rainy or snowy days.
Table 8-1
Maintenance list
Item
Check Method
Maintenance Interval
System
cleanliness
Check periodically that the heat sinks
are free from obstacles or dust.
Maintain the DC SWITCH at night.
Turn on the DC SWITCH and then turn
it off. In this way, oxide on the switch is
removed.
Once six months to a
year
System running
status
Check that the inverter is not damaged
or deformed.
Check that the running sound of the
inverter is normal.
When the inverter is running, check that
all inverter parameters are correctly set.
Once six months