Huawei SUN2000-280KTL Series User Manual

NO TICE
● Before the equipment is put into operation for the rst time, ensure that the
parameters are set correctly by professional personnel. Incorrect parameter
settings may result in noncompliance with local grid connection requirements
and aect the normal operations of the equipment.
● Before turning on the AC switch between the SUN2000 and the power grid,
check that the AC voltage is within the
specied range using a multimeter.
● If a SUN2000 has not been running for more than half a year after being
mounted, it must be checked and tested by professionals before being put into
operation.
● Upon the
rst power-on, ensure that the AUX. SWITCH is turned on rst. After
the PV connection indicator is steady green and the alarm indicator is steady
red, turn on DC SWITCH 1 and DC SWITCH 2. After the system is successfully
connected to the power grid, turn
o the AUX. SWITCH. The Company shall
not be liable for any device damage caused by operations performed in wrong
sequence.
● The DC switches implement automatic disconnection. If cables are reversely
connected or PV modules are not properly
congured, the DC switches
automatically turn o for protection. In this case, clear the alarm on the app
and turn on the DC switches only after
conrming that the alarm is cleared.
Device damage caused by forcible switch-on after the DC switches turn o is
not covered by the warranty.
● When the system is powered on or running, ensure that there are no obstacles
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
o.
● If you perform Step 3 before Step 2, the SUN2000 reports a fault about
unexpected shutdown. You can start the SUN2000 only after the fault is
automatically
rectied.
Step 1 Wear proper personal protective equipment (PPE).
Step 2 Turn on the AC switch between the SUN2000 and the power grid.
Step 3 Set the AUX. SWITCH at the bottom of the SUN2000 to ON. When you hear a
click, the switch is completely turned on. Observe the LED indicators.
Step 4 If the PV connection indicator is steady green and the alarm indicator is steady
red, set DC SWITCH 1 and DC SWITCH 2 to ON. Observe the LED indicators to
check the operating status of the SUN2000.
If the PV connection indicator is
o 1 minute after the SUN2000 is powered on, do
not turn on the DC SWITCH. Turn
o the AUX. SWITCH immediately and check
whether the input power cables are reversely connected or whether the input
voltage meets the startup voltage requirements. After the fault is
rectied,
perform step Step 3 again. If the PV connection indicator is o, turn o the AUX.
SWITCH and contact technical support engineers.
Step 5 If the SUN2000 is running properly, turn
o the AUX. SWITCH.
SUN2000-(250KTL, 280KTL, 300KTL, 330KTL) Series
User Manual 7 Power-On and Commissioning
Issue 07 (2023-06-30) Copyright © Huawei Technologies Co., Ltd. 64

Huawei SUN2000-280KTL Series Specifications

General

Brand	Huawei
Model	SUN2000-280KTL Series
Category	Inverter
Language	English