Battery BOX
Quick Installation Manual
1
.
Overview
1
2
(1) Front panel
(6) BMS communication port
(10) DC switch
(14) BMS power supply port
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
BAT
Phone
2.2
Floor-mounted installation
1
Note:
1. When determining the installation position of the inverter, please consider the position of the batteries and the distribution
panel.
2. For export limitation, you are advised to connect an energy meter and current transformers to the inverter.
3
4
5
6 7 8 9 10 11
(2) OLED display screen
(7) Parallel communication port
(11) PV terminal
(15) AC terminal
AC
AC
Breaker
Meter
Load
2
Φ0.47 in
Note:
When drilling holes, avoid the
water pipes and power cables
buried under the ground.
WIT 28-55K-H-US L2 Quick Guide
AC OUTPUT
R
S
T
15
12 13 14
(3) Battery status indicator
(8) Monitor communication port
(12) DRMS communication port
(16) Communication port(WiFi&4G)
2.1
Installation requirements
Grid
40 in
3
N
16
(4) Push button
(9) Network communication port
(13) Battery terminal
(17) Base
40 in
40 in
17
(5) System indicator
Unit: inch
22.62 in
Unit: inch
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