HUAWEI SUN2000-4.95KTL-NHL2 SmartACBox User Guide

HUAWEI SUN2000-4.95KTL-NHL2 SmartACBox

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 replacing the device, carefully read the SUN2000-4.95KTL-NHL2 User Manual to get familiar with product information and precautions.
3. Before replacing the device, check whether the configurations of SUN2000L-(4.125KTL– 4.95KTL)-JP and SUN2000-4.95KTL-JPL0 can be viewed. If they can be viewed, record the parameter settings for setting or checking parameters after the replacement.
4. Before replacing the device, check whether the cables are long enough. If not, prepare appropriate cables.

SUN2000L-(4.125KTL–4.95KTL)-JP Replacement Scenarios

Removing SUN2000L-(4.125KTL–4.95KTL)-JP

• Before removing the original SUN2000, ensure that the DC switch on the SUN2000 and all the switches connected to the SUN2000 are set to OFF. Otherwise, the high voltage of the SUN2000 may result in electric shocks.
• After the SUN2000 is powered off, the remaining electricity and heat may still cause electric shocks and body burns. Therefore, put on protective gloves and dielectric boots and begin operating the SUN2000 with specialized insulation tools five minutes after the power-off.

Removing Cables from SUN2000L-(4.125KTL–4.95KTL)-JP for Future Use

1. Power off the SUN2000 to be replaced.

2. Remove the AC connector and remove the AC output power cable from the mating socket for future use.
   

3. Remove the DC connectors and use a cable cutter to cut off the terminals of DC input power cables. Set the cables aside for future use.
   NOTICE
   The DC terminals of SUN2000L-(4.125KTL–4.95KTL)-JP must be cut off. If the DC connectors of SUN2000L-(4.125KTL–4.95KTL)-JP are directly connected to SUN2000-4.95KTL-NHL2, the SUN2000 may be burnt.
   
   

4. Remove the signal cable connector from the COM port for future use.
   

5. Disconnect the PE cable and remove the crimped OT terminal. Set the cable aside for future use.
   

Removing SUN2000L-(4.125KTL–4.95KTL)-JP

1. (Optional) Open the anti-theft lock.

2. Remove the two hex screws.
   

3. Remove the SUN2000 from the rear panel.

Installing SUN2000-4.95KTL-NHL2

1. (Optional) Install the locking screw for the DC switch.
   

2. Remove the native hanging kit from SUN2000-4.95KTL-NHL2.
   

3. Install the hanging kit delivered with SUN2000- 4.95KTL-NHL2.
   Note
   

   • The marking-off template, mounting bracket, and M6x60 expansion bolts delivered with SUN2000-4.95KTL-NHL2 are not used during replacement.
   • Prepare an anti-theft lock suitable for the lock hole diameter (Ф8 mm) and ensure that the lock can be installed successfully. An outdoor waterproof lock is recommended.
     

4. Install the SUN2000 on the mounting bracket.

5. Tighten screw assemblies.
   

Completing Electrical Connections of SUN2000-4.95KTL-NHL2

1. Install the PE cable for SUN2000-4.95KTL-NHL2.
   NOTICE
   Before connecting cables, ensure that the DC switch on the SUN2000 and all the switches connected to the SUN2000 are set to OFF. Otherwise, the high voltage of the SUN2000 may result in electric shocks.
   NOTE
   

   • It is recommended that silica gel or paint be used around the ground terminal after the PE cable is connected.
   • It is recommended that you connect the PE cable to the right ground point and reserve the other ground point.
     

2. Install the WLAN antenna
   

3. Install the AC output power cable for SUN2000-4.95KTL-NHL2
   

4. Install DC input power cables for SUN2000-4.95KTL-NHL2
   NOTICE
   

   • Ensure that the PV module output is well insulated to ground.
   • Use the positive and negative Staubli MC4 metal terminals and DC connectors supplied with the SUN2000. Using incompatible positive and negative metal terminals and DC connectors may result in serious consequences. The caused device damage is not covered under warranty.
   • The DC input voltage of the SUN2000 cannot exceed the maximum input voltage under any condition.
   • Before installing DC input power cables, label the cable polarities to ensure correct cable connections.
   • If the polarities of the DC input power cables are reversed, do not operate the DC switch or the positive/negative connector immediately. Failing to do so may cause device damage, which is not covered under warranty. 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 correct the polarities of the DC input power cables.
     Assembling DC connectors Installing DC Input Power Cables
     NOTE
     If the original DC input power cables are not long enough, add DC input extension cables.
     
     

5. Install signal cables for SUN2000-4.95KTL-NHL2.
   

Checking the Installation of SUN2000-4.95KTL-NHL2 and Powering On the SUN2000

Post-Installation Check

connected correctly and securely.
8| Unused terminals and ports are covered by watertight caps
9| The installation space is proper, and the installation environment is clean and tidy.

Powering On the SUN2000

NOTICE

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

1. Turn on the AC switch between the SUN2000 and the power grid.

2. (Optional) Remove the locking screw beside the DC switch.
   

3. Turn on the DC switch (if any) between the PV string and the SUN2000.

4. Turn on the DC switch at the bottom of the SUN2000.

Commissioning SUN2000-4.95KTL-NHL2

1. Download and install the latest installation package of the app.
   Method 1: Search for Fusion Solar in Huawei AppGallery.
   Method 2: Visit https://solar.huawei.com using your mobile phone browser.
   
   Method 3: Scan the QR code.
   

2. Access Device commissioning.

3. Connect to the solar inverter WLAN and log in as installer to access the device commissioning screen.
   

4. Choose Maintenance > Device replacement, select the type of the original device, and complete the replacement.
   

5. (Optional) If you need to set other parameters, tap Settings.
   

6. Connect the SUN2000 to the management system.
   SmartLogger1000 Networking
   Choose Maintenance, log in to the SmartLogger1000 as Advanced  User or Special User, and choose Device Mgmt. to connect the new SUN2000 to the system.as SmartLogger1000A/SmartLogger3000 Networking
   Connect to the Smart Logger WLAN. Log in to the app as Advanced User or Special User for the SmartLogger1000A, or as installer for the SmartLogger3000. Choose Maintenance > Device Mgmt. to connect the new SUN2000 to the system. NOTE
    You can also manage devices on the SmartLogger WebUI. Log in to the SmartLogger WebUI as Advanced User or Special User for the SmartLogger1000 or 1000A, or as an admin user for the SmartLogger3000. Choose Maintenance > Connect Device to connect the new SUN2000 to the system.

7. Log in to the SmartPVMS and navigate to the Device Management page to replace the SN of the old SUN2000 with the SN of the new SUN2000. The historical data of the old SUN2000 will be inherited.
   
   NOTE
   You can also complete historical data inheritance in the FusionSolar app. Log in to the app and choose Device management > Device Replacement to replace the SN of the old SUN2000 with the SN of the new SUN2000. The historical data of the old SUN2000 will be inherited.
   

SUN2000-4.95KTL-JPL0 Replacement Scenario

Removing SUN2000-4.95KTL-JPL0

• Before removing the original SUN2000, ensure that the DC switch on the SUN2000 and all the switches connected to the SUN2000 are set to OFF. Otherwise, the high voltage of the\ SUN2000 may result in electric shocks.
• After the SUN2000 is powered off, the remaining electricity and heat may still cause electric shocks and body burns. Therefore, put on protective gloves and dielectric boots and begin operating the SUN2000 with specialized insulation tools five minutes after the power-off.

Removing Cables from SUN2000-4.95KTL-JPL0 for Future Use

1. Power off the SUN2000 to be replaced.

2. Remove the AC connector and remove the AC output power cable from the mating socket for future use.
   

3. Remove the DC connectors and use a cable cutter to cut off the terminals of DC input power cables. Set the cables aside for future use.
   Notice
   The DC terminals of SUN2000- 4.95KTL-JPL0 must be cut off. If the DC connectors of the SUN2000- 4.95KTL-JPL0 are directly connected to SUN2000-4 .95KTL-NHL2, the inverter may be burnt.

4. (Optional) Remove the signal cable connector from the COM port for future use.
   

5. Disconnect the PE cable and remove the crimped OT terminal. Set the cable aside for future use.
   

Removing SUN2000-4.95KTL-JPL0

1. (Optional) Open the anti-theft lock.

2. Remove the SUN2000 from the mounting bracket.
   

Installing SUN2000-4.95KTL-NHL2

1. (Optional) Install the locking screw for the DC switch
   

2. Install the SUN2000
   

3. (Optional) Install an antitheft lock.

NOTE

  * The marking-off template, mounting bracket, and M6x60 expansion bolts delivered with SUN2000-4.95KTL-NHL2 are not used during replacement.
  * Prepare an anti-theft lock suitable for the lock hole diameter (Ф10 mm) and ensure that the lock can be installed successfully. An outdoor waterproof lock is recommended.

Completing Electrical Connections of SUN2000-4.95KTL-NHL2

1. Install the PE cable, WLAN antenna, AC output power cable, signal cables, and DC input power cables.
   NOTE
   See section 1.3 ”Completing Electrical Connections of SUN2000-4.95KTL- NHL2”.

Checking the Installation of SUN2000-4.95KTL-NHL2 and Powering On the SUN2000

NOTE
See section 1.4 “Checking the Installation of SUN2000-4.95KTL-NHL2 and Powering On the SUN2000”.

Commissioning SUN2000-4.95KTL-NHL2

NOTE
See section 1.5 “Commissioning SUN2000-4.95KTL-NHL2”

Customer Support

Huawei Digital Power Technologies Co., Ltd.
Huawei Digital Power Antuoshan Headquarters
Futian, Shenzhen 518043
People’s Republic of China
solar.huawei.com

References

• 华为智能光伏官网-太阳能光伏发电站解决方案-光伏逆变器
• 华为智能光伏官网-太阳能光伏发电站解决方案-光伏逆变器

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