Growatt WIT 50-100K-H Quick Manual

Battery BOX
Quick Installation Manual
1 . Overview
Output Power
100.0
KW
1 6 7 8 9
2 3 4 5
(1)Front panel (2)OLED display screen
(6)BMS communication port (7)Parallel communication port
(11)PV connector (12)Network communication port
(15)AC connector (16)Base
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
Load
Grid
PV
AC
Break
Meter
BATT
Phone
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-H Quick Guide
BMS-AC
BMS-COM
BAT-
COM2
BAT+
COM1 DRMS
DC SWITCH 3
MPPT
DC SWITCH 2
MPPT
DC SWITCH 1
MPPT
10 11 12 13 15 16
14
(3)Battery status indicator (4)Push button (5)System indicator
(8)Monitor communication port (9)USB port (10)DC switch
(13)Battery connector (14)BMS power supply port
2.1
Installation requirements
≥1000mm
≥1000mm
≥1000mm
574.5mm
3
3. Connecting cables
Please prepare the cables listed below before electrical connections.
No. Cable
1 Grounding cable A multi-core copper cable (yellow and green)
2 AC output cable A multi-core copper cable
3 PV input cable Photovoltaic cable
4 Battery power cable A single-core copper cable (red and black)
5 BMS power supply cable A multi-core copper cable
6 Other communication cable RS485
3.1 3.2
Grounding AC GRID and UPS output connection
1
4
Notes:
When drilling holes, avoid the
water pipes and power cables
buried under the ground.
3.3
DC connection
3.3.1 Assembling the PV connector
1 2
Positive metal contact
8- 10 mm
8-10 mm
Ensure that the cable cannot be pulled out from the
Negative metal contact
terminal after crimping.
4
5
Ensure secure connection
by tightening the locking
nut.
Recommended
Type
specifications
Notes:
2
50mm
1.Make sure all switches are
OFF before connecting the
2 2
70mm -300mm
cables. For personal safety, do
not operate when power-on.
2 2
4mm -6mm
2.If the diameter of the cable
does not match the terminal,or
50mm 2
the cable is aluminum wire,
please contact our after-sales
2 2
0.5mm -2.5mm
personnel.
/
2 3
5
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.
3
Positive metal contact
Negative metal contact
Pull the PV cables back to check that they are connected
securely.
Make sure the cable polarity is correct.