Huawei SUN2000-3KTL-M1 User manual

HUAWEI TECHNOLOGIES CO., LTD.

SUN2000-(3KTL-12KTL)-M1

Quick Guide

Issue: 01

Part Number: 31508308

Date: 2020-09-15

1Product Description

rights reserved.

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.

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.

1Product Description

(1) LED

(2) Front panel

(3) Hanging kit

) Mounting bracket

) Heat sink

) Ventilation valve

) Ground screw

) AC output port (AC)

) Communication port (COM)

(10

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

(11

) Battery terminals (BAT+/BAT–)

(12

) DC input terminals (PV2+/PV2–)

(13

) DC input terminals (PV1+/PV1–)

(14) DC switch (DC SWITCH)

(15)

Screw hole for the DC switch

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.

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.

•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.

No.

Item

Type

Specifications

PE cable

Single

-core outdoor

copper cable

Conductor cross

-sectional

area ≥ 4

mm2

AC output power cable

utdoor copper cable

•

Conductor cross-

sectional area: 4–6mm2

•

Cable outer diameter:

10–21 mm

DC input power cable and (optional)

battery cable

Standard outdoor PV

cable in the

industry

(recommended model:

PV1

-F)

•

Conductor cross-

sectional area: 4–6 mm2

•

Cable outer diameter:

5.5–9 mm

(Optional) RS485 communications

cable (used

to cascade inverters or

connect

to the RS485 signal port on

the

SmartLogger)

Two

-core outdoor

shielded twisted pair

cable

•

Conductor cross-

sectional area: 0.2–1

mm2

Note

: When devices such

as the Smart Power

Sensor and the energy

storage device are both

connected to the

inverter, use 0.2–0.5

mm2cords.

•

Cable outer diameter: 4

–

11 mm

(Optional) RS485 communications

cable (used to connect to the RS485

signal port on devices such as the

Smart Power Sensor and the energy

storage device

)

(Optional) Rapid shutdown switch

signal cable

(Optional) Grid scheduling signal cable

Five

core outdoor cable

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.

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

Stripping requirements

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 1100 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.

6. If the PV strings are configured with Smart PV Optimizers, refer to the Smart PV Optimizer

Quick Guide to check the cable polarity.

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 (Staubli)

PV-MS-HZ

Open-end Wrench

(Staubli)

Correct wiring terminals

Click

Pull the DC input power cable

back to ensure that it is

connected securely.

DC input terminals

2. Connect DC input power cables.

(Optional) Installing Battery Cables

3.5

Properly keep the

watertight caps. Pull the battery cable back to

ensure that it is connected

securely.

Battery terminals (BAT+/BAT–)

Assemble the positive and negative connectors by following the instructions in section 3.4

"Installing DC Input Power Cables."

•Use insulated tools when connecting cables.

•Connect battery cables with correct polarity. If battery cables are reversely connected, the

solar inverter may be damaged.

Click

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

Installing the Smart Dongle

3.6

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

Smart Dongle is delivered with the SUN2000.

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

purchase the 4G Smart Dongle by yourself.

•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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