Growatt WIT 28-55K-HU-US L2 Bruksanvisning

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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.
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.
When drilling holes, avoid the
water pipes and power cables
buried under the ground.
Please prepare the cables listed below before electrical connections.
12 3
4
3.3.1 Assembling the PV connectors
1 2 3
4 5
1.Make sure all switches are
OFF before connecting the
cables. For personal safety, do
not operate when power-on.
2.If the diameter of the cable
does not match the terminal, or
the cable is aluminum wire,
please contact our after-sales
personnel.
8 10 mm-
8-10 mm
Positive metal contact
Negative metal contact Ensure that the cable cannot be pulled out from the
terminal after crimping. Pull the PV cables back to check that they are connected
securely.
Ensure secure connection
by tightening the locking
nut.
Positive metal connector
Negative metal connector
Make sure the cable polarity is correct.
Battery BOX
Quick Installation Manual WIT 28-55K-HU-US L2 Quick Guide
≥100 0 mm
≥100 0 mm ≥1000mm
≥1
0
0mm
0
399.5mm
574.5mm
When drilling holes, avoid the
water pipes and power cables
buried under the ground.
1
2 3 4
5
After cables are connected,
apply fireproof mud to the
waterproof silicone mat
inside the AC junction box.
Lock the cover of the AC
junction box after the
fireproof mud is applied.
5
1
1
1
11.
.
.
..
Overview
( ) ( )13 Battery terminal 14 BMS power supply port
( )15 GRID terminal ( )16 LOAD terminal
(1)Front panel (2)OLED display screen (3)Battery status indicator (4)Push button
(9)Communication port
( )5 System indicator
( )6 BMS communication port ( )7 Parallel communication port ( )8 Monitor communication port ( )10 DC switch
( ) ( )11 PV terminal 12 Network communication port
Notes:
2
2
2
22.
.
.
..
Installation
System overview 2.1 Installation requirements
2.2 Floor-mounted installation
2
3
3
3
33.
.
.
..
Connecting cables
3.1 Grounding 3.2 GRID and LOAD side cable connection
Notes:
Notes:
3.3 DC connection
No.
Cable
Type
Recommended
specifications
1
Grounding cable
A multiple-core copper cable (yellow and
green)
2
50mm
2
Grid cable
A multi-core copper cable
2 2
120mm -300mm
3
Load cable
A multi-core copper cable
2 2
70mm -150mm
4
PV input cable
Photovoltaic cable
2 2
4mm -6mm
5
Battery power supply cable
A single-core copper cable (red and black)
2
50mm
6
BMS power supply cable
A multi-core copper cable
2 2
0.5mm -2.5mm
7
Other communication cable
RS485
/
Notes:
3
Notes:
Notes:
Φ12mm
(0.47'')
70mm(2.76'')
0.1m
0.1m
100.0KW
Output Power
112 13 1410 119876 15 16 17
( )17 Base
Primary
Load
Secondary Load
Bypass
Breaker
T
Grid
Breaker
Grid
Load
Breaker
Meter
Phone
BAT
PCS
PV
3.4.2 Connecting the BMS power supply cable
Number
Checking item
Number
Checking item
1
The hybrid inverter is installed correctly and reliably.
2
Ground cables are connected securely.
3
All switches are in the OFF position.
4
All cables are connected correctly and securely.
5
The cover of the AC junction box is secured.
6
All the unused connectors are sealed.
7
The right panel is closed and secured.
8
Put away the unused accessories.
9
The installation position is clean and tidy.
Before power-on, please make sure all the voltage and current are within the specified range. Otherwise it will cause damage to the hybrid
inverter.
Perform the following steps to power on the system:
1.Ensure that there is no voltage on the PV side, then turn on the DC switches.
2.Turn on the breaker between the grid and the inverter.
3.Turn on the breaker between the battery and the inverter, then turn on the switch on the battery.
4.The system will be powered on automatically when all the requirements are met.
To shut down the system, you need to send a shutdown command on the APP or website. Wait until the system is completely powered off,
then turn off the switches in reverse order.
PV+
PV-
3.3.2 Connecting the DC input cables
1.Before installing the PV terminals, please
confirm that the PV input voltage and current
do not exceed the MPPT limits.
2.When installing the PV terminals, identify
the positive and negative terminals and
connect them to the inverter respectively
following the color convention.
3.A "click" sound will be heard when the
terminal is connected. Please gently pull the
PV cable back to make sure it is securely
connected.
12
GR-UM-329-A-01
Download
Manual
Growatt New Energy
2
Parallel communication port
5.6 Communication module installation
A
B
C
D
E
F
G
H
I
Notes:
3.4 Connection on the battery side
18 20 mm-
1
3.4.1 Connecting the battery power cable
Monitor communication port
Notes:
1. Before installing the battery terminals, please
ensure that the battery input voltage and current are
within the acceptable range.
2. When installing battery terminals, identify the
positive and negative terminals and connect them to
the inverter according to the color convention.
3. When connecting the terminals, ensure that you hear
a "click" sound. Please gently pull back the battery
cables to ensure a secure connection.
Label
Definition
L
L1
N
L2
PE
PE
2 3
4
3.5 Communication cable installation
BMS communication port
4
4
4
44.
.
.
..
Post-installation check
5.6 Communication module installation
5
5
5
55.
.
.
..
Powering on/off the inverter
Note:
5.6 Communication module installation
6
6
6
66.
.
.
..
Description of the display panel
Indicator
Function
Indicator
Function
A
OLED display screen
F
Battery connection indicator
B
System indicator
G
Communication indicator
C
PV indicator
H
Battery status indicator
D
On-grid indicator
I
Push button
E
Off-grid indicator
31
BMS Communication port
description(BMS-COM)
No.
Description
No.
Description
1
Wakeup+
6
CANL
2
Wakeup-
7
CAN.GND
3
RS485A3
8
Di1
4
RS485B3
9
Di2
5
CANH
16
PE
Parallel communication port
description(COM2)
No.
Description
No.
Description
1
24V.S
16
CAN2_H
2
GND.S
17
CAN2_L
3
CAN1_H
18
RS485_1A
4
CAN1_L
19
RS485_1A
5
GND.S
20
PE
6
CAN2_H
21
RS485_5A
7
CAN2_L
22
RS485_5B
8
RS485_1A
23
RS485_5A
9
RS485_1B
24
RS485_5B
10
PE
25
RS485_4A
11
24V.S
26
RS485_4B
12
GND.S
27
RS485_4A
13
CAN1_H
28
RS485_4B
14
CAN1_L
29
ATS_CAN205_H
15
GND.S
30
ATS_CAN205_L
Follow the installation steps:
1. Remove the waterproof cover from
the network communication port.
2. Insert a network cable into the port
and tighten the protective cover.
Monitor communication port
description(COM1)
No.
Description
No.
Description
1
RS485A4
9
RS485B2
2
RS485B4
10
Res_RS4851B
3
RS485A1
11
PE
4
RS485B1
12
REPO1
5
Res_RS4851A
13
REPO2
6
RS485A2
14
DO1
7
RS485B2
15
DO2
8
RS485A2
16
PE
Network communication port
5.6 Communication module installation
7
7
7
77.
.
.
..
Service and contact
3.5.6 Installing the antenna
Please follow the steps
below:
1. Remove the antenna
dust cap or the protective
cover from the network
port.
2. Install the antenna as
shown in the diagram.
3. Connect the antenna to
the inverter correctly and
tighten it.
Growatt USA,Inc
9227 Reseda Blvd,#435 Northridge,CA 91324,USA.
866 686 0298- -
www.growatt-america.com
T
E usaservice@ginverter.com
W

Produktspecifikationer

Varumärke: Growatt
Kategori: Inte kategoriserad
Modell: WIT 28-55K-HU-US L2

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