System Power-On - Huawei SUN2000-250KTL Series User Manual

SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual
No.
8

6.2 System Power-On

When the grid connection indicator is steady green (the SUN2000 is connected to
the power grid), do not turn on the DC switch. Otherwise, the SUN2000 may be
damaged because insulation resistance detection is not performed.
● Before the equipment is put into operation for the first time, ensure that the
● Before turning on the AC switch between the SUN2000 and the power grid,
● If a SUN2000 has not been running for more than half a year after being
● When the system is powered on for the first time, ensure that ONE-OFF
● The DC switches implement automatic disconnection. If cables are reversely
● When the system is powered on or running, ensure that there are no obstacles
● If you perform
Issue 02 (2022-12-20)
Check Item
Unused port
WARNING
NO TICE
parameters are set correctly by professional personnel. Incorrect parameter
settings may result in noncompliance with local grid connection requirements
and affect the normal operations of the equipment.
check that the AC voltage is within the specified range using a multimeter.
mounted, it must be checked and tested by professionals before being put into
operation.
SWITCH is turned on first. After the PV connection indicator is steady on, turn
on DC SWITCH 1 and DC SWITCH 2. After the system is successfully connected
to the power grid, turn off ONE-OFF SWITCH. The Company shall not be liable
for any device damage caused by operations performed in wrong sequence.
connected or PV modules are not properly configured, the DC switches
automatically turn off for protection. In this case, clear the alarm on the app
and turn on the DC switches only after confirming that the alarm is cleared.
Device damage caused by forcible switch-on after the DC switches turn off is
not covered by the warranty.
in path of travel of the DC switch handles (for example, the handle is not stuck
by cables or mistakenly held by hands) to ensure that the handles can move
freely. Otherwise, the DC switches cannot automatically turn off.
Step 3
unexpected shutdown. You can start the SUN2000 only after the fault is
automatically rectified.
Copyright © Huawei Technologies Co., Ltd.
Acceptance Criteria
● Unused DC terminals are sealed with
sealing plugs.
● Unused COM and USB ports are plugged
with waterproof plugs.
before Step 2, the SUN2000 reports a fault about
6 Power-On Commissioning
60