Huawei SUN2000-12KTL Manuale utente

SUN2000-(8KTL-12KTL) and SUN2000-(3KTL-

20KTL)-M0 Replacement

Quick Guide

HUAWEI TECHNOLOGIES CO., LTD.

Issue: 04

Part Number: 31500EPF

Date: 2021-11-22

rights reserved.

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-(8KTL–20KTL)-M2 User Manual

get familiar with product information and precautions.

3. Before replacing the device, check whether the configurations of SUN2000-(8KTL–12KTL) and

SUN2000-(8KTL–20KTL)-M0 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.

1SUN2000-(8KTL–12KTL) Replacement Scenario

Remove SUN2000-

(8KTL–12KTL).

Install SUN2000-

(8KTL–20KTL)-M2.

Install the

PE cable.

•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.

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.

Removing SUN2000-(8KTL–12KTL)

1.1

Removing Cables from SUN2000-(8KTL–12KTL) for Future Use

Install the AC

output power cable.

Install DC input

power cables.

Install the

signal cable.

Replace the

SUN2000-(8KTL–

12KTL) protocol.

Check the installation

and power on the

SUN2000.

Start

End

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.

Cable

cutter

Cable

cutter

The DC terminals of SUN2000-(8KTL–12KTL) must be cut off. If the DC connectors of SUN2000-

(8KTL–12KTL) are directly connected to SUN2000-(8KTL–12KTL)-M2, the SUN2000 may be

burnt.

4. Remove the RS485 communications cable and use a cable cutter to cut off the RJ45

connector. Set the cable aside for future use.

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

Removing SUN2000-(8KTL–12KTL)

1. (Optional) Open the anti-theft lock. 2. Remove the two hexagonal screws.

3. Remove the SUN2000 from the rear panel. 4. Remove the nuts, spring washers,

and flat washers, and then remove

the rear panel.

Installing SUN2000-(8KTL–20KTL)-M2

1.2

1. Install the new rear panel. 2. Install the mounting bracket.

The installation of the new rear panel is the same as that of the SUN2000-(8KTL–12KTL) rear

panel. Align the mounting holes.

3. Install the SUN2000 onto the mounting bracket.

(Optional)

Install an anti-

theft lock.

Installing the AC Output Power Cable to SUN2000-(8KTL–20KTL)-M2

1.4

•Ensure that the protective layer of the AC output power cable is inside the connector, that

the core wires are totally inserted into the cable hole, and that the cable is connected

securely. Failing to do so may cause the device malfunction or damage.

•The hex key is delivered with the SUN2000 and bound to the hanging kit at the bottom of

the SUN2000.

It is recommended that silica gel or paint be applied around the ground terminal after the PE

cable is connected.

Installing the PE Cable for SUN2000-(8KTL–20KTL)-M2

1.3

1. Connect the AC output power cable to the AC connector.

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.

Hanging kit

Hex key

Hex Key

Stripping

Requirements

Five-Core Cable (L1, L2, L3, N, and PE)

•This section describes how to connect a five-core AC output power cable to an AC connector.

•A three-core AC output power cable can be connected similarly. The three-core cable (L1, L2,

and L3) is not connected to the N terminal or PE terminal.

•A four-core AC output power cable can be connected similarly. The four-core cable (L1, L2,

L3, and PE) is not connected to the N terminal, and the four-core cable (L1, L2, L3, and N) is

not connected to the PE terminal.

Click

2. Connect the AC connector to the AC output port.

AC output port (AC)

3. Check the route of the AC output power cable.

Installing DC Input Power Cables for SUN2000-(8KTL–20KTL)-M2

1.5

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

2. 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.

3. The DC input voltage of the SUN2000 shall not exceed 1080 V DC under any circumstance.

4. Before installing DC input power cables, label the cable polarities to ensure correct cable

connections.

5. If the polarity of the DC input power cables is reversed, do not operate the DC switch as well

as positive and negative connectors 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 polarity of the DC input power cables.

1. Assemble DC connectors.

Click

Positive metal terminal

Negative metal terminal Ensure that the cable

cannot be pulled out

after being crimped.

Positive connector

Negative

connector

Use the wrench

shown in the figure to

tighten the locking

nut. When the wrench

slips during the

tightening, the

locking nut has been

tightened.

Ensure that cable

polarities are correct.

PV-CZM-22100/19100 (Staubli)

PV-MS-HZ open-

end wrench

(Staubli)

DC input terminals

2. Install the DC input power cables.

If the original DC input power cables are not long enough, add DC input extension cables.

Click

Pull the DC input power cables back to

ensure that they are connected securely.

Extension cables for DC terminals

Definition

Functions

Remarks

Definition

Functions

Remarks

485A1

-1

RS485A, RS485

differential

signal+

Used for

SUN2000

cascading or

connecting to

the RS485

signal port on

the

SmartLogger

485A1

-2

RS485A, RS485

differential

signal+

Used for

SUN2000

cascading or

connecting to

the RS485

signal port on

the

SmartLogger

485B1

-1

RS485B, RS485

differential

signal

–

485B1

-2

RS485B, RS485

differential

signal

–

Ground point

on the shield

layer

N/A

Ground point

on the shield

layer

N/A

485A2

Reserved

N/A

485B2

Reserved

N/A

GND

Reserved

N/A

DIN5

Reserved

N/A

Communications Port Signal Definitions for SUN2000-(8KTL–20KTL)-M2

Installing the Signal Cable for SUN2000-(8KTL–20KTL)-M2

1.6

Ensure that the protective

layer of the cable is inside

the connector, that excess

core wires are cut off from

the protection layer, that

the exposed core wire is

totally inserted into the

cable hole, and that the

cable is connected securely.

Communications Port Signal Definitions for SUN2000-(8KTL–12KTL)

No. Color Pin Description

1 White and orange RS485A, RS485 differential signal+

2 Orange RS485B, RS485 differential signal–

3 White and green PGND

4 Blue RS485A, RS485 differential signal+

5 White and blue RS485B, RS485 differential signal–

6 Green PGND

7 White and brown PGND

8 Brown PGND

Terminals for the Signal Cable

(Optional) Connecting RS485 Communications Cables (SUN2000 Cascading)

1. Connect the signal cable to the signal connector.

The figures show the RJ45

connector when the surface without

the fastener faces upwards. If the

colors and functions of the wires are

different, connect the wires based

on their functions.

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