Powering On The System - Huawei SUN2000L-2KTL Quick Manual

4
Commissioning

Powering On the System

4.1
1. Put the battery pack in operation by taking the following steps.
a) Set the Auxiliary Power ON/OFF switch to ON after installing the battery pack. Ensure that the Circuit Breaker switch is in the OFF
position (including the Trip position).
b) Set the Circuit Breaker switch to ON.
If the FAULT indicator on the front of the battery pack is ON or flashing, contact your installer.

If the battery fails to connect to the solar inverter, contact Huawei customer service hotline and set the Auxiliary Power ON/OFF

switch to OFF. Otherwise the battery power will be exhausted and the battery cannot be charged by the inverter.
If the solar inverter is not powered on or the battery is not connected to it, set the Auxiliary Power to OFF. Otherwise the battery

power will be exhausted and the battery cannot be charged by the inverter.
c) Several seconds after the Circuit Breaker switch is set to ON, four indicators will be on.
d) Ensure that the ON indicator is on and check whether the battery pack is successfully initialized. The power-on indicator on the front
should turn green.
e) Close the wiring box cover.
2. Power on the solar inverter.
Before turning on the AC switch between the solar inverter and the power grid, check that the AC voltage on the power grid side of the
•
AC switch is within the specified range.
If the DC is on and the AC is off, the solar inverter reports a Grid Loss alarm. The solar inverter starts normally only after the fault is
•
rectified.
If the AC is on and the battery is off, the solar inverter reports a Battery Abnormal alarm.
•
(A) PV string
(D) AC switch
(G) Main switch
(J) Battery
Auxiliary Power ON/OFF switch
(B) DC switch
(E) Residential power distribution unit
(H) Residential power meter
(K) Battery switch
17
Circuit Breaker switch
(C) solar inverter
(F) Smart Power Sensor
(I) Power grid
(L) Home load