Huawei SUN2000-M2 User manual

SUN2000-(8KTL-20KTL)-M2

Quick Guide

HUAWEI TECHNOLOGIES CO., LTD.

Issue: 06

Part Number: 31500BCA

Date: 2021-06-25

1Product Description

rights reserved.

(1) LED

(2) Front panel

(3) Hanging kit

(4) Heat sink

(5) Ventilation valve

(6) Ground screw

(7) AC output port (AC)

(8) Communications port (COM)

(9) Smart Dongle port (

GPRS/4G/WLAN-FE)

(10) DC input terminals (PV4+/PV4

–)

(11) DC input terminals (PV3+/PV3

–)

(12) DC input terminals (PV2+/PV2

–)

(13) DC input terminals (PV1+/PV1

–)

(14) DC switch (DC SWITCH)

(15)

Screw hole for the DC switch (for Australia only)

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

information and safety precautions.

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

personnel should understand the composition and working principles of the grid-tied PV

power system and local regulations.

4. 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.

5. Use insulating tools when installing the device. For personal safety, wear proper personal

protective equipment (PPE).

6. Huawei shall not be liable for any consequences caused by the violation of the storage,

transportation, installation, and operation regulations specified in this document and the user

manual.

1. The information in this document is subject to change due to version

upgrades 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. You can download this document

by scanning the QR code.

1Product Description

Installation Requirements

2.1

Dimensions

2Installing the Equipment

Two M6 screw holes are reserved on both left and right sides of the inverter for installing an

awning.

SpaceAngle

Installing the Inverter

2.2

When drilling holes, avoid the water pipes

and power cables buried in the wall.

1. Install the mounting bracket.

•M6x60 expansion bolts are delivered with the inverter. If the length and number of the bolts

do not meet installation requirements, prepare M6 stainless steel expansion bolts by yourself.

•The expansion bolts delivered with the inverter are used for solid concrete walls. For other

types of walls, prepare bolts by yourself and ensure that the wall meets the load bearing

requirements of the inverter.

•Loosen the nuts, flat washers, and spring washers of the two expansion bolts.

Moving an Inverter

Level

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

•The screws for DC switches are delivered with solar inverters. According to Australian

standards, the screws are used to secure DC switches (DC SWITCH) to prevent them from

being turned on by mistake.

•For the model used in Australia, perform this step to meet the local standards.

No.

Item

Type

Specifications

PE cable

Single

-core

outdoor copper

cable

Conductor cross

-sectional area:

•

≥ 6 mm2(SUN2000-8KTL-M2/SUN2000-

10KTL-M2/SUN2000-12KTL-M2)

•

≥ 10 mm2(SUN2000-15KTL-M2/SUN2000-

17KTL-M2/SUN2000-20KTL-M2)

AC output power cable

Outdoor copper

cable

Conductor cross

-sectional area:

•

6–16 mm2(SUN2000-8KTL-M2/SUN2000-

10KTL-M2/SUN2000-12KTL-M2)

•

10–16 mm2(SUN2000-15KTL-M2/SUN2000

17KTL-M2/SUN2000-20KTL-M2)

Cable outer diameter: 11

–26 mm

DC input power cable

Standard outdoor

PV cable in the

industry

•

Conductor cross-sectional area: 4–6 mm2

•

Cable outer diameter: 5.5–9 mm

(Optional) RS485

communications cable

Two

core outdoor

shielded twisted

pair cable

•

Conductor cross-sectional area: 0.2–1 mm2

(0.5 mm2is recommended)

•

Cable outer diameter: 4–11 mm

(Optional) RS485

ower meter signal

cable

(Optional) Rapid

shutdown switch signal

cable

(Optional) Grid

scheduling signal cable

Five

core outdoor

cable

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

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

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

result in electric shocks.

Preparing for Installation

3.1

3Electrical Connections

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.

3. Install the inverter on the mounting bracket. 4. (Optional) Install an anti-theft lock.

Installing the PE Cable

3.2

Do not connect the neutral wire to the enclosure as a PE cable. Otherwise, electric shocks may

occur.

•The PE point at the AC output port is used only as a PE equipotential point, and cannot

substitute for the PE point on the enclosure.

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

cable is connected.

Installing the AC Output Power Cable

3.3

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

core wires are totally inserted into the cable hole, and the cable is connected securely. Failing

to do so may cause device malfunction or damage.

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

inverter.

Hanging kit

Hex key

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

Stripping requirements

Hex key

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

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.

•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 neutral wire or PE wire.

•A four-core or five-core AC output power cable can be connected similarly. The four-core

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

and N) is not connected to the PE wire.

Installing the DC Input Power Cable

3.4

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

2. Use the Staubli MC4 positive and negative metal terminals and DC connectors supplied with

the solar inverter. 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 the DC input power cable, label the cable polarities to ensure correct cable

connections.

5. If the DC input power cable is reversely connected, 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 any 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 the OFF position,

remove the positive and negative connectors, and correct the polarities of the DC input

power cable.

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. Connect DC input power cables.

Click

Pull the DC input power cable

back to ensure that it is

connected securely.

Smart Dongle port (GPRS/4G/WLAN-FE)

(Optional) Installing the Smart Dongle

3.5

•If WLAN-FE communication is used, install a WLAN-FE Smart Dongle (SDongleA-05).

•If 4G communication is used, install a 4G Smart Dongle (SDongleA-03).

•You need to purchase the Smart Dongle by yourself.

WLAN-FE Smart Dongle (FE Communication)

You are advised to use a CAT 5E outdoor shielded network cable (outer diameter < 9 mm; internal

resistance ≤ 1.5 Ω/10 m) and shielded RJ45 connectors.

GPRS/4G/WLAN-FE

•If your Smart Dongle is not equipped with a SIM card, prepare a standard SIM card (size: 25

mm x 15 mm) with the capacity greater than or equal to 64 KB.

•Install the SIM card in the arrow direction.

•When reinstalling the cover of the Smart Dongle, ensure that the buckle springs back in

place (you can hear a click).

4G Smart Dongle (4G Communication)

•For details about how to operate the WLAN-FE Smart Dongle SDongleA-05, see

SDongleA-05

Quick Guide (WLAN-FE)

•For details about how to operate the 4G Smart Dongle SDongleA-03, see

SDongleA-03 Quick

Guide (4G)

•The quick guide is delivered with the Smart Dongle. You can download them by scanning the

QR code below.

WLAN-FE 4G

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