Growatt WIT 28-55K-AU-US L2 Handleiding

Growatt Niet gecategoriseerd WIT 28-55K-AU-US L2

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3. Machine damage caused by failure to follow the instructions is not covered under any warranty.
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.
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.
1. The Load Breaker and the Bypass Breaker should be interlocked.
When drilling holes, avoid the
water pipes and power cables
buried under the ground.
Battery BOX
Quick Installation Manual
1
Note:
2
2
2
22.
.
.
..
Installation
System overview 2.1 Installation requirements
2.2 Floor-mounted installation
2 3
Note:
Note:
Unit: inch
1
1
1
11.
.
.
..
Overview
Unit: inch
WIT 28-55K-AU-US L2 Quick Guide
6 7 8 9 10 11 12 16
113 14 152 3 4 5
(1) Front panel (4) Push button
(9) Network communication port
(5) System indicator (8) Monitor communication port
(13) GRID terminal
(11) Battery terminal
(3) Battery status indicator
(7) Parallel communication port
(15) Communication port(WiFi&4G)
(12) BMS power supply port
(14) LOAD terminal
(10) DRMS communication port
(2) OLED display screen
(6) BMS communication port
(16) Base
WIT
Phone
Meter
Grid
BAT
Primary Load
Load
Breaker
Load
Bypass
Breaker
Grid
AC
Breaker
Secondary Load
40 in
40 in
40 in
40 in
15 73 in.
22.62 in
Φ .0 47 in
2.76 in
12 in
12 in
1. If the diameter of the cable does
not match the terminal, please
contact our after-sales
personnel.
2. The current carrying capacity of
cables should comply with
locally applicable regulations.
3. The cables used shall have a
rating of not less than 90 ℃.
Ensure that the ground point on
the enclosure base has been
reliably connected to the on-site
ground busbar.
3.1 Grounding 3.2 GRID and LOAD side cable connection
Note:
Please prepare the cables listed below before electrical connections.
3
3
3
33.
.
.
..
Connecting cables
No.
Cable
Type
Recommended
specifications
1
Grounding cable
A multiple-core copper cable
(yellow and green)
1AWG
2
Grid cable
A multi-core copper cable
2/0AWG-400kcmil
3
Load cable
A multi-core copper cable
3AWG-400kcmil
4
Battery power supply cable
(red and black)
A single-core copper cable
1AWG
5
BMS power supply cable
A multi-core copper cable
20 AWG-14AWG
6
Other communication cable
Shielded twisted pair
26AWG-20AWG
Note:
12 3
4 5
Once the cable connections are
complete, check if the cable
feed-through pipes and cables
are secured in place, and finally
lock the AC junction box cover.
Note:
3.3 Connection on the battery side
1
3.3.1 Connecting the battery power cable
Note:
1. Before installing the battery terminals, please ensure that the battery input voltage and current are within the acceptable
range.
3. When connecting the terminals, ensure that you hear a "click" sound. Please gently pull back the battery cables to ensure a
secure connection.
2. When installing battery terminals, identify the positive and negative terminals and connect them to the inverter according to
the color convention.
23 4
0 71 0 79 in. - .
3.4 Communication cable installation
1. Remove the waterproof cover
from the network communication
port.
2. Insert a network cable into the
port and tighten the protective
cover.
Follow the installation steps:
3. Ensure that the connection is
correct and secured，the sealing
rubber ring is properly seated into
the gland.
DRMS port communication
3.3.2 Connecting the BMS power supply cable
BMS power supply port description
Label
Definition
L
L1
N
L2
PE
PE
Note:
1. Thread the BMS power supply cable and batter power cables
through the first cable routing hole of the inverter
and connect them to the corresponding terminals.
2. Ensure that all cables are securely
connected, then lock the junction box cover on the battery side.
Monitor communication port
No.
Description
Note
No.
Description
Note
1
RS485A4
RS485_4
9
RS485B2 (OUT)
RS485 output port for the meter
2
RS485B4
10
Res_RS4851B
RS485 matching resistor
3
RS485A1(IN)
RS485 terminal for external
communication
11
PE
Grounding
4
RS485B1(IN)
12
REPO1
The WIT Inverter shutdown input
dry contact signal
5
Res_RS4851A
RS485 matching resistor
13
REPO2
6
RS485A2 (IN)
RS485 input port for the meter
14
DO1
Generator start-up output dry
contact signal
7
RS485B2 (IN)
15
DO2
8
RS485A2 (OUT)
RS485 output port for the meter
16
PE
Grounding
BMS communication port
No.
Description
Note
No.
Description
Note
1
Wakeup+
Battery wake up signal
6
CANL
The PCS communicates with the
battery via CAN
2
Wakeup-
7
CAN.GND
3
RS485A3
The PCS communicates with the
battery via RS485
8
DI1
Battery shutdown input signal
dry contact signal
4
RS485B3
9
DI1
5
CANH
The PCS communicates with the
battery via CAN
16
PE
Grounding

Product specificaties

Merk: Growatt
Categorie: Niet gecategoriseerd
Model: WIT 28-55K-AU-US L2

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