B ESS Software Upgrade Solution for the
O-Grid PV+ESS System
Multiple ESSs in an Array
For non-rst-time deployment, start one ESS and upgrade the software of the
other ESSs. After the other ESSs are upgraded, upgrade the software of the ESS
that is not upgraded.
For rst-time deployment, each ESS must be upgraded separately. For details
about how to upgrade a single ESS, see Only One ESS in an Array.
Only One ESS in an Array
Prerequisites:
The customer needs to prepare a temporary mobile power supply (such as a UPS
or DG) and related cables to power the auxiliary power supply for the ESS air
conditioners. The requirements for the temporary power supply are as follows:
● Voltage: 220 V AC
● Power: ≥ 5 kVA
● Power backup duration: ≥ 30 minutes
Procedure:
Step 1 Prepare the upgrade software package. Log in to the Support-E website and
search for the latest ESS software version in FusionSolar Software Download.
Step 2 Prepare a temporary power supply, cables, and wiring tools.
Step 3 Turn o the load switch.
Step 4 Shut down the ESS and PCS on the SmartLogger WebUI or MGCC.
Step 5 Connect the temporary power supply to the 220 V AC input terminal of the
auxiliary power supply for the ESS air conditioners (1FCB; you are advised to
connect the temporary power supply to the power distribution equipment).
Step 6 To upgrade the software on the SmartLogger WebUI, click Choose File, select the
target software package, and click Upload. After the upload is complete, click
Software Upgrade.
Commercial and Industrial Microgrid Energy Storage
Solution
Quick Guide (With Third-Party Microgrid Central
Controller)
B ESS Software Upgrade Solution for the O-Grid
PV+ESS System
Issue 04 (2023-12-18) Copyright © Huawei Digital Power Technologies Co., Ltd. 46
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