Growatt WIT 50-100K-HU-US Quick Manual
Growatt WIT 50-100K-HU-US Quick Manual

Growatt WIT 50-100K-HU-US Quick Manual

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Battery BOX
Quick Installation Manual
1
.

Overview

Output Power
100.0
KW
1
2
3
4
5
(1)Front panel
(2)OLED display screen
(6)BMS communication port
(7)Parallel communication port
(11)PV terminal
(12)Network communication port
(15)GRID terminal
(16)LOAD terminal
Notes:
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

Primary Load
Bypass
Breaker
Load
PV
Breaker
Grid
PCS
Breaker
Meter
BAT
Phone
Secondary Load
2.2

Floor-mounted installation

1
2
Notes:
When drilling holes, avoid the
water pipes and power cables
buried under the ground.
Notes:
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.
WIT 50-100K-HU-US Quick Guide
6
7
8
9
10 11
12 13 14
15 16
(3)Battery status indicator
(4)Push button
(8)Monitor communication port
(9)Communication port
(13)Battery terminal
(14)BMS power supply port
(17)Base
2.1

Installation requirements

≥1000mm
Grid
≥1000mm
≥1000mm
T
3
3.

Connecting cables

Please prepare the cables listed below before electrical connections.
No.
Cable
1
Grounding cable
2
Grid cable
3
Load cable
4
PV input cable
5
Battery power supply cable
17
6
BMS power supply cable
(5)System indicator
7
Other communication cable
(10)DC switch
3.1

Grounding

Notes:
When drilling holes, avoid the
water pipes and power cables
buried under the ground.
574.5mm
3.3

DC connection

3.3.1 Assembling the PV connectors

1
Positive metal contact
8- 10 mm
8-10 mm
Negative metal contact
4
Ensure secure connection
by tightening the locking
nut.
Recommended
Type
specifications
A multiple-core copper cable (yellow and
50mm
green)
2
A multi-core copper cable
120mm -300mm
A multi-core copper cable
70mm -150mm
2
2
Photovoltaic cable
4mm -6mm
A single-core copper cable (red and black)
50mm
2
A multi-core copper cable
0.5mm -2.5mm
RS485
/
3.2

GRID and LOAD side cable connection

2
1
4
Notes:
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.
2
3
Ensure that the cable cannot be pulled out from the
terminal after crimping.
5
Notes:
2
1.Make sure all switches are
OFF before connecting the
2
cables. For personal safety, do
not operate when power-on.
2
2.If the diameter of the cable
does not match the terminal, or
2
the cable is aluminum wire,
2
please contact our after-sales
personnel.
2
3
5
Positive metal connector
Negative metal connector
Pull the PV cables back to check that they are connected
securely.
Make sure the cable polarity is correct.

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Summary of Contents for Growatt WIT 50-100K-HU-US

  • Page 1 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.
  • Page 2 RS485B1 REPO1 www.growatt-america.com GND.S RS485_4A Res_RS4851A REPO2 CAN1_H RS485_4B Follow the installation steps: Growatt New Energy RS485A2 Download 1. Remove the waterproof cover from Manual CAN1_L ATS_CAN205_H the network communication port. RS485B2 2. Insert a network cable into the port GND.S...

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