Battery BOX
Quick Installation Manual
1
.
Overview
1
2
(1) Front panel
(5) System indicator
(9) Network communication port
(13) Battery terminal
(17) Communication port(WiFi&4G)
Note:
1. The content of this document is continually reviewed and amended, where necessary. Growatt reserves the right to make
changes to the material at any time and without notice. Unless otherwise agreed, this document is for quick installation
guidance only. All information and suggestions in this document do not constitute a warranty of any kind, express or implied.
Growatt reserves all rights for final explanation.
2. This document is for quick installation guidance only. For details, please refer to the User Manual.
3. Machine damage caused by failure to follow the instructions is not covered under any warranty.
2
Installation
.
System overview
PV
WIT
Phone
BAT
2.2
Floor-mounted installation
1
Note:
1. The Load Breaker and the Bypass Breaker should be interlocked.
2. When determining the installation position of the inverter, please consider the position of the batteries and the distribution panel.
3. For export limitation, you are advised to connect an energy meter and current transformers to the inverter.
6 7 8 9 10 11
3
4
5
(2) OLED display screen
(6) BMS communication port
(10) DC switch
(14) BMS power supply port
(18) Base
Load
Bypass
Breaker
Load
Load
Breaker
Grid
AC
Breaker
Meter
2
Φ0.47 in
Note:
When drilling holes, avoid the
water pipes and power cables
buried under the ground.
WIT 28-55K-HU-US L2 Quick Guide
12 13 14
15 16
(3) Battery status indicator
(7) Parallel communication port
(11) PV terminal
(15) GRID terminal
2.1
Installation requirements
40 in
Grid
3
17
(4) Push button
8
Monitor communication port
(
)
(12) DRMS communication port
(16) LOAD terminal
40 in
40 in
18
Unit: inch
22.62 in
Unit: inch
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