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

Growatt Ikke kategorisert WIT 28-55K-HU-US L2

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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. The Load Breaker and the Pass Breaker should be interlocked.

2. 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.

3.3.1 Assembling the PV connectors

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

Ensure that the ground point on

the enclosure base has been

reliably connected to the on-site

ground busbar.

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:

Installation

System overview

2.1 Installation requirements

2.2 Floor-mounted installation

3.1 Grounding

3.2 GRID and LOAD side cable connection

Note:

3.3 DC connection

Note:

Unit: inch

4 i

Φ0.47 in

6 i

4 i

Unit: inch

WIT 28-55K-HU-US L2 Quick Guide

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

55.0

Output Power

(17) Base

Please prepare the cables listed below before electrical connections.

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,

please contact our after-sales

personnel.

3. The current carrying capacity

of cables should comply with

locally applicable regulations.

Connecting cables

No.

Cable

Type

Recommended

specifications

Grounding cable

A multiple-core copper cable (yellow and

green)

1AWG

Grid cable

A multi-core copper cable

2/0AWG-400kcmil

Load cable

A multi-core copper cable

3AWG-400kcmil

PV input cable

Photovoltaic cable

12AWG-10AWG

Battery power supply cable

A single-core copper cable (red and black)

1AWG

BMS power supply cable

A multi-core copper cable

20 AWG-14AWG

Other communication cable

RS485

Note:

0.31-0.39 in

Positive metal contact

Negative metal contact

0.31-0.39 in

10 11

40 in

0 i

15.73 in

22.62 in

PCS

Breaker

Phone

Meter

Grid

BAT

Primary Load

Load

Breaker

Load

Secondary Load

Bypass

Breaker

Grid