HUAWEI SUN2000 50KTL 60KTL M0 Inverter 60kw Solar Inverter fro Solar System User Guide

**HUAWEI SUN2000 50KTL 60KTL M0 Inverter 60kw Solar Inverter fro Solar System User Guide

**

Notice

1. The information in this document is subject to change without notice. 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.
2. Before installing the device, carefully read the user manual to get familiar with product information and precautions.
3. Only qualified and trained electrical technicians are allowed to operate the device. Operators should understand the components and functioning of a grid-tied PV power system, and they should be familiar with relevant local standards.
4. Before installing the device, check that package contents are intact and complete against the packing list. If any damage is found or any component is missing, contact the dealer.
5. Use insulated tools when installing the device. For personal safety, wear proper personal protective equipment (PPE).
6. Huawei shall not be liable for any consequence caused by violation of the storage, moving, installation, and operation regulations specified in this document and the user manual.

Product Overview

**Front View

**

• PV connection indicator
• Grid-tied indicator
• Communication indicator
• Alarm/Maintenance indicator
• Maintenance compartment door
• Host panel cover

Indicator Description

PV connection indicator
| Steady green| At least one PV string is properly connected, and the DC input voltage of the corresponding MPPT circuit is higher than or equal to 200 V.
Off| The SUN2000 disconnects from all PV strings, or the DC input voltage of each MPPT circuit is less than 200 V.
Grid-tied indicator
| Steady green| The SUN2000 has connected to the power grid.
Off| The SUN2000 does not connect to the power grid.
Communication indicator
| Blinking green| The SUN2000 receives communications data normally.
Off| The SUN2000 receives no communications data for 10s.
Alarm/Maintenance indicator
| Alarm status| Blinking red at long intervals (on for 1s and then off for 4s)| A warning alarm is generated.
Blinking red at short intervals (on for 0.5s and then off for 0.5s)| A minor alarm is generated.
Steady red| A major alarm is generated.
Local maintenance status| Blinking green at long intervals (on for 1s and then off for 1s)| Local maintenance is in progress.
Blinking green at short intervals (on for 0.125s and then off for 0.125s)| Local maintenance fails.
Steady green| Local maintenance succeeds.

**Ports

**

• Cable gland (COM1, COM2, and COM3)
• DC switch 1 (DC SWITCH 1)
• DC input terminals (controlled by DC SWITCH 1)
• DC input terminals (controlled by DC SWITCH 2)
• DC switch 2 (DC SWITCH 2)
• Cable gland (AC OUTPUT)
• Cable gland (RESERVE)
• USB port (USB)

**SUN2000 Dimensions

**

Mounting Bracket Dimensions

Installation Requirements

Installation Angle

Installation Space

NOTE

For ease of installing the SUN2000 on the mounting bracket, connecting cables to the bottom of the SUN2000, and maintaining the SUN2000 in future, it is recommended that the bottom clearance be between 600 mm and 730 mm.

Installing the SUN2000

• The SUN2000 mounting bracket has four groups of tapped holes, each group containing four tapped holes. Mark any hole in each group based on site requirements and mark four holes in total. Two round holes are preferred.
• M12x40 bolt assemblies are supplied with the SUN2000. If the bolt length does not meet the installation requirements, prepare M12 bolt assemblies by yourself and use them together with the supplied M12 nuts.
• The following describes how to install the SUN2000 by using support installation as an example. For details about wall-mounted installation, see the user manual.
• Save the security torx wrench for later use after removing it from the mounting bracket.

NOTE:

You are advised to apply anti-rust paint on the hole positions for protection.

Installing Cables

Installation Preparations

NOTE

• Before installing cables, ensure that all required OT terminals and cables are prepared.
• The following table lists only recommended cable specifications. For more cable specifications, see the user manual.

• If you choose the ground point on the enclosure for connecting a ground cable, prepare the ground cable.
• If you choose the ground point in the maintenance compartment for connecting a ground cable, use an AC output cable that includes a ground cable instead of preparing an extra ground cable.

2| AC output power cable| 35 mm2 outdoor copper cable| –
3| OT terminal| M8| When using outdoor copper cables for AC connection, select copper wiring terminals. For requirements on the cables and terminals of other materials, see user manual.
4| DC input power cable| PV cable that meets the 1100 V standard| N/A
5| RS485 communications cable (terminal block)| Computer cable DJYP2VP2-22 2×2×1|

• If RS485 communication is used, prepare the RS485 communications cable.
• A terminal block is recommended for connecting to the RS485 communications cable.

RS485 communications cable (RJ45 network port)| Outdoor shielded network cable/CAT 5E
6| Cable tie| N/A| N/A

Installing the Ground Cable

NOTE:

• The ground point on the enclosure is preferred to connect to the PE cable for the SUN2000.
• The ground point in the maintenance compartment is mainly used for connecting to the ground cable included in the multi-core AC power cable. For details, see section ” 4.4 Installing AC Output Power Cables.”
• The ground cable must be secured.
• It is recommended that PGND cable of the SUN2000 be connected to the nearest ground point. For a system with multiple SUN2000s connected in parallel, connect the ground points of all SUN2000s to ensure equipotential connections to ground cables.
• To enhance the corrosion resistance of the PE terminal, apply silica gel or paint on it after connecting the PGND cable.

Opening the Maintenance Compartment Door

1. Loosen the two screws on the maintenance compartment door using a security torx wrench.
   

2. Open the maintenance compartment door and install the support bar.
   
   

3. Remove the cover and hang it on the hook of the enclosure door
   

WARNING

• Never open the host panel of the SUN2000.
• Before opening the maintenance compartment door, turn off the downstream AC output switch and the two DC switches at the bottom.
• If you need to open the maintenance compartment door on rainy or snowy days, take protective measures to prevent rain and snow entering the maintenance compartment. If it is impossible to take protective measures, do not open the maintenance compartment door on rainy or snowy days.
• Do not leave unused screws in the maintenance compartment

NOTE:

If the screws on the enclosure door are lost, obtain spare screws from the fitting bag bound to the inductor cover at the bottom of the enclosure.

Installing AC Output Power Cables

NOTE

• If you connect a ground cable to the ground point on the chassis shell in a scenario with no neutral wire, you are advised to use a three-core (L1, L2, and L3) outdoor cable.
• If you connect a ground cable to the ground point in the maintenance compartment in a scenario with no neutral wire, you are advised to use a four-core (L1, L2, L3, and PE) outdoor cable.
• If you connect a ground cable to the ground point on the chassis shell in a scenario with a neutral wire, you are advised to use a four-core (L1, L2, L3, and N) outdoor cable.
• If you connect a ground cable to the ground point in the maintenance compartment in a scenario with a neutral wire, you are advised to use a five-core (L1, L2, L3, N, and PE) outdoor cable

Route the cable through the cable gland.

NOTICE

1. Select an appropriate rubber fitting based on the outer diameter of the AC power cable to ensure proper sealing.
2. There are two types of waterproof connectors for the AC OUTPUT port. The dimensions depend on the SUN2000 that is used.
3. To avoid damaging the rubber fitting, do not route a cable with a crimped OT terminal through the rubber fitting.
4. Do not adjust the cable when the thread-lock sealing nut is tightened. Otherwise, the rubber fitting will shift, which affects the Ingress Protection Rating of the device.

Remove an appropriate length of the jacket and insulation layer from the AC output power cable using a wire stripper. (Ensure that the jacket is in the maintenance compartment.)

1. Three-core cable (excluding the ground cable and neutral wire)
   

2. Four-core cable (including the ground cable but excluding the neutral wire)
   

3. Four-core cable (excluding the ground cable but including the neutral wire)
   

4. Five-core cable (including the ground cable and neutral wire)
   

Crimp an OT terminal.

Connect the AC output power cable to the terminal block, and then tighten the nut using a torque wrench that has an extension rod.

1. Three-core cable (excluding the ground cable and neutral wire)
   

2. Four-core cable (including the ground cable but excluding the neutral wire)
   

3. Four-core cable (excluding the ground cable but including the neutral wire)
   

4. Five-core cable (including the ground cable and neutral wire)
   

NOTICE

• Ensure that AC terminations provide firm and solid electrical connections. Failing to do so may cause SUN2000 malfunction and damage to its terminal block, even starting thermal events.
• If the AC output power cables are subject to a pulling force because the inverter is not installed stably, ensure that the last cable that bears the stress is the PE cable.

Tighten the thread-lock sealing nut.

Clear debris from the maintenance compartment.

Installing DC Input Power Cables

Selecting DC Input Terminals

NOTE

The SUN2000 provides two DC switches, named as DC SWITCH 1 and DC SWITCH 2. DC SWITCH 1 controls the 1st to 6th sets of DC input terminals, whereas DC SWITCH 2 controls the 7th to 12th sets of DC input terminals.

Select DC input terminals according to the following rules:

1. Evenly distribute DC input power cables on the DC input terminals controlled by the two DC switches.
2. Maximize the number of connected MPPT circuits.

WARNING

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

NOTICE

1. Use the Amphenol Helios H4 PV connectors provided with the SUN2000. If the connectors are lost or damaged, purchase the PV connectors of the same model. The device damaged caused by incompatible PV connectors is not covered under any warranty or service agreement.
2. The metal contacts supplied with the DC connectors are either cold forming contacts or stamping forming contacts. Crimp the metal cold forming contacts using crimping tool UTXTC0005 (Amphenol, recommended) or H4TC0001 (Amphenol). Crimp the metal stamping forming contacts using crimping tool H4TC0003 (Amphenol, recommended) or H4TC0002 (Amphenol). Choose the crimping tools that fit the metal contacts.
3. Before connecting DC input power cables, label the cable polarities to ensure correct cable connections. If the cables are connected incorrectly, the SUN2000 may be damaged.
4. Insert the crimped metal contacts of the positive and negative power cables into the appropriate positive and negative connectors. Then pull the DC input power cables to ensure that they are connected securely.
5. Connect the positive and negative connectors to the appropriate positive and negative DC input terminals. Then pull the DC input power cables to ensure that they are connected securely.
6. If polarity of the DC input power cable is reversed and the DC switch is ON, do not turn off the DC switch immediately or unplug positive and negative connectors. The device may be damaged if you do not follow the instruction. The caused equipment damage is beyond the warranty scope. Wait until the solar irradiance declines and the PV string current reduces to below 0.5 A, and then turn off the two DC switches and remove the positive and negative connectors. Correct the string polarity before reconnecting the string to the SUN2000.

Installing DC Input Power Cables (Cold Forming Metal Contact)

Installing DC Input Power Cables (Stamping Forming Metal Contact)

NOTICE

• When routing communications cables, separate communications cables from power cables to prevent communication from being affected.
• An RS485 cable can connect to either a terminal block or an RJ45 network port. It is recommended that the RS485 cable connect to a terminal block.

NOTICE

1. When routing communications cables, separate communications cables from power cables to prevent communication from being affected.
2. An RS485 cable can connect to either a terminal block or an RJ45 network port. It is recommended that the RS485 cable connect to a terminal block.

Terminal Block Connection (Recommended)

1. Remove an appropriate length of the jacket and core wire insulation layer from the communications cable using a wire stripper
   

2. Route the cable through the cable gland.
   

3. Remove the cable terminal base from the terminal block. Connect the communications cable to the terminal base.
   No.| Port Definition| Description
   ---|---|---
   1| RS485A IN| RS485A, RS485 differential signal+
   2| RS485A OUT| RS485A, RS485 differential signal+
   3| RS485A IN| RS485B, RS485 differential signal–
   4| RS485A OUT| RS485B, RS485 differential signal–

4. Install the terminal base on the terminal block, and connect the shield layer to the ground point.
   

5. Bind the communications cable
   

6. Tighten the thread-lock sealing nut and seal the waterproof connector.

NOTE

When connecting the shielded cable, choose whether to crimp the OT terminal based on site requirements.

RJ45 Network Port Connection

1. Prepare an RJ45 connector.
   

2. Route the cable through the cable gland.
   No.| Color| Pin Definition
   ---|---|---
   1| White-and-orange| RS485A, RS485 differential signal+
   2| Orange| RS485B, RS485 differential signal–
   3| White-and-green| N/A
   4| Blue| RS485A, RS485 differential signal+
   5| White-and-blue| RS485B, RS485 differential signal–
   6| Green| N/A
   7| White-and-brown| N/A
   8| Brown| N/A

3. Insert the RJ45 connector into the RJ45 network port in the SUN2000 maintenance compartment.
   

4. Bind the communications cable.
   

5. Tighten the thread-lock sealing nut and seal the waterproof connector.

Verifying the Installation

Yes □ No □ N/A □
7| Check that all used cable glands at the bottom of the enclosure are sealed, and that the thread-lock sealing nut is tightened.| Yes □ No □ N/A □
8| The AC terminal cover is reinstalled| Yes □ No □ N/A □
9| The maintenance compartment door is closed and the door screws are tightened.| Yes □ No □ N/A □
10| Unused DC input terminals are sealed.| Yes □ No □ N/A □
11| Unused USB ports are plugged with watertight caps.| Yes □ No □ N/A □
12| Unused cable glands are plugged and the thread-lock sealing nuts are tightened.| Yes □ No □ N/A □

Powering On the System

NOTICE

Before turning on the AC switch between the SUN2000 and the power grid, use a multimeter to check that the AC voltage is within the specified range.

1. Turn on the AC switch between the SUN2000 and the power grid.
2. Turn on the DC switches at the SUN2000 bottom.

SUN2000 App

NOTE

• The SUN2000 app is mobile phone app that communicates with the SUN2000 monitoring system over a USB data cable, Bluetooth module, or WLAN module. As a convenient local monitoring and maintenance platform, it supports alarm query, parameter configuration, and routine maintenance. The app name is SUN2000.

• Log in to Huawei AppGallery (https://appstore.huawei.com), search for SUN2000, and download the app installation package. You can also scan the QR code (https://appgallery.cloud.huawei.com/appdl/C10279542) to download the installation package.
  

• Connect a USB data cable, a Bluetooth module, or a WLAN module to the USB port of the SUN2000 to implement the communication between the SUN2000 and the app.

WLAN or Bluetooth Connection

USB Data Cable Connection

NOTICE

• The screenshots in this document correspond to app version 3.2.00.013 (Android).
• When the WLAN connection is used, the initial name of the WLAN hotspot is Adapter-WLAN module SN, and the initial password is Change me.
• The preset passwords for Common User, Advanced User, and Special User are 00000a.
• Use the initial password upon first power-on and change it immediately after login. To ensure account security, change the password periodically and keep the new password in mind. Not changing the initial password may cause password disclosure. A password left unchanged for a long period of time may be stolen or cracked. If a password is lost, devices cannot be accessed. In these cases, the user is liable for any loss caused to the PV plant.
• Set the correct grid code based on the application area and scenario of the solar inverter.

(Optional) Installing a 4G Module

The 4G communication mainly applies in the distributed PV plants with a small number of inverters.

The inverters directly connect to the Fusion Solar management system through the 4G network.

• If the 4G communication is used, a maximum of 10 SUN2000s can be connected.
• Install the 4G module on the SUN2000 master. The RS485 communication is used between the SUN2000 master and slave, and between the SUN2000 slave and slave.

NOTICE

Before installing the module, configure the communication parameters of the host on the SUN2000 app. For detailed configuration, see the user manual.

1. Press the buckle inwards to remove the 4G module enclosure, and then install the SIM card.
   NOTE

   • If the 4G module you purchase is configured with a SIM card, skip this step.
   • If it is not configured with a SIM card, prepare a standard one (dimensions: 25 mm x 15 mm, capacity ≥ 64 KB.
   • When installing a SIM card, you can determine the SIM card installation direction based on the silk screen and arrow mark on the slot.
   • When being pressed into place, the SIM card will be locked, which means that the card is installed correctly.
   • To remove the SIM card, push it inwards. Then the SIM card springs out automatically.
   • When reinstalling the 4G module enclosure, ensure that the buckle springs back to the original position.

2. Remove the watertight cap from the USB port and fix the 4G module.
   

Huawei Technologies Co., Ltd.
Huawei Industrial Base, Bantian, Longgang
Shenzhen 518129 People’s Republic of China
www.huawei.com

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