Huawei SUN2000-25KTL-M5 Manuale utente

SUN2000-(12KTL-25KTL)-M5 Series

Quick Guide

Huawei Digital Power Technologies Co., Ltd.

Issue: 02

Part Number: 31500HLD

Date: 2022-09-30

1Clearance Requirements

•The information in this document is subject to change due to version upgrade or other

reasons. Every effort has been made in the preparation of this document to ensure accuracy

of the contents, but all statements, information, and recommendations in this document do

not constitute a warranty of any kind, express or implied.

•Only qualified and trained electrical technicians are allowed to operate the device. Operation

personnel should understand the system composition and working principles, as well as the

local regulations.

•Before installing the device, read the user manual carefully to get familiar with product

information and safety precautions. Device damage caused by failure to abide by the

storage, transportation, installation, and operation guidelines specified in this document and

the user manual is not covered by the product warranty.

•Before installing the device, check that the package contents are intact and complete against

the packing list. If any damage is found or any component is missing, contact your dealer.

•Use insulated tools and wear proper personal protective equipment (PPE) when installing

the device.

If the installation clearance does not meet the requirements, the inverter power may be derated.

2Device Installation

If cables are not connected immediately after the device is installed, you need to install a junction

box. Otherwise, the airtightness and waterproof performance of the device may be affected.

•To ensure that the inverter can be safely disconnected from the power grid when an

exception occurs, connect an AC switch to the AC side of the inverter. Select an appropriate

AC switch in accordance with local industry standards and regulations.

•Connect cables in accordance with local installation laws and regulations.

•The cable colors are for reference only. Select appropriate cables according to the local

standards.

•When routing signal cables, separate them from power cables and keep them away from

strong interference sources to prevent communication from being affected.

•Do not connect loads between the inverter and the AC switch that directly connects to the

inverter. Otherwise, the switch may trip by mistake.

•If an AC switch is used with specifications beyond local standards, regulations, or Huawei's

recommendations, the switch may fail to turn off in a timely manner in case of exceptions,

causing serious faults.

Each inverter must be equipped with an AC output switch. Multiple inverters cannot connect to

the same AC output switch.

No.

Component Description Source

1AC switch Recommended: three-phase

AC circuit breaker

Rated voltage ≥ 415 V AC

Rated current:

•12KTL–20KTL: 40 A

•25KTL: 50 A or 63 A

Preparations

3.1

3Electrical Connections

•Do not connect the neutral wire to the enclosure as a ground cable. Otherwise, electric

shocks may occur.

•Before connecting cables, ensure that the DC SWITCH on the inverter and all the switches

connected to the inverter are set to OFF. Otherwise, the high voltage of the inverter may

result in electric shocks.

Cable Connections

3.2

Inner Diameter

Rubber Plug

15 mm

22 mm

26 mm

6 mm

8.6 mm

11 mm

1. Route the cables through the junction box and prepare cable terminals.

Installing AC Output Power Cables and Signal Cables

3.3

If the cable stripping length does not meet the requirements, the airtightness and waterproof

performance of the device may be affected.

2. Install AC output power cables and signal cables. (The following uses the RS485 signal

cables as an example. For details about other signal cables, see the signal definitions of

communications ports.)

Heat-shrink

tubing

Shield

layer

Definition

Function

Description

1GND

Ripple control

GND port for the DIN1 to DIN5 signals

2DIN1

Dry contact for grid scheduling

3DIN2

4DIN3

5DIN4

6DIN5 Rapid shutdown signal+ For the rapid shutdown DI signal or connecting

to the signal cable of an NS protective device

7GND GND -

8 - - -

9485A1 RS485A1 differential signal+ For inverter cascading or connecting to the

RS485 signal port of a SmartLogger

10 485B1 RS485B1 differential signal–

11 485A2 RS485A2 differential signal+ Connecting to the RS485 signal port of a power

meter

12 485B2 RS485B2 differential signal–

3. Align the pin holes at both ends of the junction box with the positioning pins on the inverter

enclosure to ensure that the screw holes on the junction box are aligned.

4. Install the junction box, seal the unused cable holes in the rubber plugs with waterproof

plugs, and tighten the locking caps.

•Ensure that the PV module output is well insulated to ground.

•Use the delivered Staubli MC4 metal terminals and DC connectors. Device damage caused by

using other types of metal terminals and DC connectors is not covered by the product

warranty.

•If the open-end wrench slips, the locking nut is tightened.

•If PV strings are configured with optimizers, check the cable polarity by referring to the

Smart PV Optimizer Quick Guide

•If the DC input power cables are reversely connected, do not perform operations

immediately. Wait until the night when solar irradiance declines and the PV string current

drops to below 0.5 A. Then set the DC switch to OFF, remove the positive and negative

connectors, and rectify the cable connection. Device damage caused by improper operations

is not covered by the product warranty.

Cables are

connected in the

correct polarity,

Voltage ≤ 1100 V

Click

No.

Expected Result

1The inverter is installed correctly and securely.

2Cables are routed properly as required by the customer.

3The Smart Dongle is installed correctly and securely.

4Cable ties are evenly distributed and no burr exists.

5Ground cables are connected correctly and securely.

6The DC SWITCH and all switches connected to the inverter are set to OFF.

7The AC output power cable, DC input power cables, and signal cables are connected

correctly and securely.

8Unused terminals and ports are sealed by watertight caps.

9The installation space is proper, and the installation environment is clean and tidy.

4Verifying the Installation

Connecting DC Input Power Cables

3.4

(Optional) Installing the Smart Dongle and Anti-theft Components

3.5

1. Install the Smart Dongle. For details, see the

Smart Dongle Quick Guide

2. Install the anti-theft components.

Click

6System Commissioning

For details about how to create a plant, see the app quick guide. Scan the QR codes below to

download the app and quick guide.

FusionSolar App Quick Guide

Creating a Plant

6.1

Resetting Password

6.2

1. Check that the AC and DC sides of the inverter are both powered on, and indicators

and are steady green or blinking slowly for more than 3 minutes.

2. Turn off the AC switch, set the DC SWITCH of the inverter to OFF, and wait until all indicators

on the inverter panel turn off.

3. Complete the following operations within 4 minutes:

a. Turn on the AC switch and wait for about 90s or until the inverter indicator blinks.

b. Turn off the AC switch and wait about 30s or until all LED indicators on the inverter

panel turn off.

c. Turn on the AC switch and wait for about 30s or until all LED indicators on the inverter

panel blink and then turn off after about 30s.

a. Wait until the indicator blinks.

b. Connect to the app using the initial WLAN hotspot name (SSID) and initial password

(PSW), which can be obtained from the label on the side of the inverter.

c. On the login page, set a new password and log in to the app.

6. Set router and management system parameters to implement remote management.

You are advised to reset the password in the morning or at night when the solar irradiance is low.

4. Wait until the three green LEDs on the inverter panel blink fast and then the three red

LEDs blink fast, which indicates that the password is restored.

5. Reset the password within 10 minutes. (If no operation is performed within 10

minutes, all parameters of the inverter remain unchanged.)

5Powering On the System

1. At the AC switch between the inverter and the power grid, use a multimeter to measure the

grid voltage and ensure that the voltage is within the operating voltage range of the

inverter. If the voltage is not in the allowed range, check the circuits.

2. Turn on the AC switch.

3. Turn on the DC switch (if any) between the PV strings and the inverter.

4. (Optional) Remove the locking screw next to the DC SWITCH on the inverter.

5. Set the DC SWITCH to ON.

6. Observe the LED indicators to check the status of the inverter.

7. (Optional) Observe the Smart Dongle LED indicator to check the status of the Smart Dongle.

Customer Service Contact Information

Region

Country

Tel

Europe

France

eu_inverter_[email protected] 0080033888888

Germany

Spain

Italy

United Kingdom

Netherlands

Other countries For details, visit solar.huawei.com.

Asia Pacific

Australia eu_inverter_[email protected] 1800046639

Turkey eu_inverter_support@huawei.com -

Malaysia

apsupport@huawei.com

0080021686868

/1800220036

Thailand

(+66) 26542662 (local call

charge)

1800290055 (free in

Thailand)

China solarserv[email protected]om 400-822-9999

Other countries apsupport@huawei.com 0060-3-21686868

Japan Japan [email protected].com 0120258367

India India indiaenterprise_TAC@huawei.com 1800 103 8009

South

Korea South Korea [email protected].com -

North

America

United States eu_inverter_[email protected] 1-877-948-2934

Canada eu_inv[email protected] 1-855-482-9343

Latin

America

Mexico

la_inverter[email protected]m

018007703456

/0052-442-4288288

Argentina 0-8009993456

Brazil 0-8005953456

Chile 800201866 (only for fixed

lines)

Other countries 0052-442-4288288

Middle East

and Africa

Egypt

eu_inverter_[email protected]

08002229000

/0020235353900

UAE 08002229000

South Africa 0800222900

Saudi Arabia 8001161177

Pakistan 0092512800019

Morocco 0800009900

Other countries 0020235353900

7Customer Service Contact Information

Huawei Digital Power Technologies Co., Ltd.

Huawei Digital Power Antuoshan Headquarters

Futian, Shenzhen 518043

People's Republic of China

solar.huawei.com

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