Huawei SUN2000-111KTL-NHM0 User Manual page 28

SUN2000-111KTL-NHM0
User Manual
(5) Reset button 1 (RESET 1)
(7) (Optional) Screw hole for DC
switch 2
(9) Reset button 2 (RESET 2)
(11) (Optional) Screw hole for DC
switch 3
(13) Reset button 3 (RESET 3)
(15) USB port
(17) Hole for the AC output power
cable
DC Switch Description
● If the three DC switches are automatically turned off at the same time, the AC
● If the three DC switches are automatically turned off at the same time, the AC
● If the three DC switches are automatically turned off at the same time and the
● Before turning on a DC switch, ensure that all alarms have been cleared.
Table 2-2 DC Switch Description
Switch
Component
DC SWITCH
Issue 09 (2023-12-18)
D ANGER
switch does not trip, and the indicators on the inverter displays the following
status, do not turn on the DC switches by yourself. Contact your vendor or
technical support.
1. LED1, LED2, and LED4 are steady red.
2. LED1 and LED4 are steady red.
switch does not trip, and the LED4 indicator on the inverter is steady red, do
not turn on the DC switches by yourself. Perform operations according to the
handling suggestions for alarm ID 2001.
AC switch trips, check that no short circuit occurs on the AC side between
phases or between a phase and the ground, turn on the AC switch, export logs,
and send the logs to your vendor or technical support. Rectify the fault after
your vendor or technical support provides a solution. If there is any short circuit
on the AC side between phases or between a phase and the ground, do not
turn on the AC switch. Contact your vendor or technical support.
Description
ON
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(6) DC input terminal group 2 (PV9–
PV14, controlled by DC SWITCH 2)
(8) DC switch 2 (DC SWITCH 2)
(10) DC input terminal group 3 (PV15–
PV20, controlled by DC SWITCH 3)
(12) DC switch 3 (DC SWITCH 3)
(14) Ventilation valve
(16) Communications port (COM)
(18) Hole for the tracking system
power cable
The DC switch is ON and can automatically turn off
for protection.
2 Overview
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