Huawei SUN2000 Series User manual

SUN2000-(12KTL, 15KTL, 17KTL, 20KTL)-M0

Quick Guide

HUAWEI TECHNOLOGIES CO., LTD.

Issue: 05

Part Number: 31509519

Date: 2019-10-28

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-

)

(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)

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.

Installation Requirements

2.1

Tilt and Space

Dimensions

2Installing the Equipment

Moving an Inverter

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

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.

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.

2. Install the inverter on the mounting bracket. 3. (Optional) Install an anti-

theft lock.

Preparing for Installation

3.1

3Electrical Connections

No.

Item

Type

Specifications

PE cable

Single

-core outdoor

copper cable

Conductor cross

-sectional area:

•

≥ 6 mm2(SUN2000-12KTL-M0)

•

≥ 10 mm2(SUN2000-15KTL-M0/SUN2000-

17KTL-M0/SUN2000-20KTL-M0)

AC output power

cable

Outdoor copper cable

Conductor cross

-sectional area:

•

6–16 mm2(SUN2000-12KTL-M0)

•

10–16 mm2(SUN2000-15KTL-M0/SUN2000-

17KTL-M0/SUN2000-20KTL-M0)

Cable outer diameter: 11

–26 mm

DC input power

cable

Standard outdoor PV

cable in the industry

(recommended model:

PV1

-F)

•

Conductor cross-sectional area: 4–6 mm2

•

Cable outer diameter: 4.5–7.8 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

Two

-core outdoor

shielded twisted pair

cable

(Optional)

Grid

scheduling signal

cable

Five

-core outdoor

cable

Installing the PE Cable

3.2

•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.

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.

Click

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.

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

Three-Core Cable (L1, L2, and L3)

Hanging kit

Hex key

Click

Four-Core Cable (L1, L2, L3, and N)

Four-Core Cable (L1, L2, L3, and PE)

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

Click

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

AC output port (AC)

Installing the DC Input Power Cable

3.4

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

1. Use the Amphenol Helios H4 PV connectors supplied with the inverter. If the PV connectors are

lost or damaged, purchase the connectors of the same model. The device damage caused by

incompatible PV connectors is not covered under any warranty.

2. Crimp the metal stamping forming contacts using crimping tool H4TC0003 (Amphenol,

recommended) or H4TC0002 (Amphenol).

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

4. The DC input voltage of the inverter shall not exceed 1080 V DC under any circumstance.

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

connections.

6. 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.

(Optional) Installing the Smart Dongle

3.5

Pull back the DC input power cable to

ensure that it is in position.

DC input terminals

Click

•If you prepared a Smart Dongle without a SIM card, you need to prepare a standard SIM card (size:

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

•When installing the SIM card, determine its installation direction based on the silk screen and arrow

on the card slot.

•Press the SIM card in place to lock it, indicating that the SIM card is correctly installed.

•When removing the SIM card, push it inwards to eject it.

nindicates 1, 2, 3, or 4.

Positive connector

Negative

connector

Positive metal

terminal

Negative metal terminal

Ensure that the cable

cannot be pulled out

after being crimped.

Ensure that the locking nut

is secured.

Ensure that the cables are

correctly connected. (The DC

voltage of a multimeter should

not be less than 1100 V).

Click

Inverter

USB port

Smart Dongle port

(GPRS/4G/WLAN-FE)

When reinstalling the cover of the Smart Dongle,

ensure that the buckle springs back in place.

4G Smart Dongle

WLAN-FE Smart Dongle (WLAN Communication)

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.

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