Huawei SUN2000-200KTL-H2 User manual

HUAWEI TECHNOLOGIES CO., LTD.

SUN2000-(196KTL-H0, 200KTL-H2, 215KTL-H0)

Quick Guide

Issue: 15

Part Number: 31500CPW

Date: 2022-05-10

•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.

•Only qualified and trained electrical technicians are allowed to operate the device. Operators

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

and local standards.

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

information and safety precautions. 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.

•Use insulated tools when installing the device. For personal safety, wear proper personal

protective equipment (PPE).

1Product Overview

Front View

(1) PV connection indicator

(2) Grid-tied indicator

(3) Communication indicator

(4) Alarm/Maintenance

indicator

(5) Host panel cover

(6) Maintenance

compartment

Port Illustration (Manual DC Switch)

The DC switch of the current model can be manual or automatic.

(1)

DC input terminals (controlled by DC SWITCH 1)

(2) DC switch 1 (DC SWITCH 1)

(3) DC input terminals (controlled by DC SWITCH 2)

(4) DC switch 2 (DC SWITCH 2)

(5) DC input terminals (controlled by DC SWITCH 3)

(6) DC switch 3 (DC SWITCH 3)

(7) Ventilation valve

(8) USB port

(USB)

(9) Communications port (COM)

(10) Hole for the AC output power cable

(11) Hole for the tracking system power cable

Port Illustration (Automatic DC Switch)

(1)

DC input terminals (controlled by DC SWITCH 1

)

(2) DC switch 1 (DC SWITCH 1)

(3) Reset

button 1 (RESET 1)

(4) DC input terminals (controlled by DC

SWITCH 2)

(5)

DC switch 2 (DC SWITCH 2)

(6) Reset button 2

(RESET 2)

(7) DC input terminals (controlled by DC SWITCH 3)

(8) DC switch 3 (DC SWITCH 3)

(9) Reset button 3

(RESET 3)

(10)

Ventilation valve

(11)

USB port (USB)

(

12) Communications port (COM)

(

13) Hole for the AC output power cable

(

14) Hole for the tracking system power

cable

DC Switch Description

The DC switches automatically turn off when a fault occurs in the inverters (LED4 is steady red,

and the three DC switches are OFF). In this case, contact your technical support. Do not turn on

the DC switches by yourself.

Switch

Component

Description

DC SWITCH

The DC switch is ON and can automatically turn off for protection.

The DC switch is ON but cannot automatically turn off for protection.

OFF

The DC switch is OFF.

RESET

•

When the DC switch automatically turns off for protection, the RESET button

will be released.

•When the RESET button is not pressed, the DC switch can only be turned to the

unloaded position , and cannot be set to the ON position.

2Installation Requirements

SUN2000 Dimensions

Mounting Bracket Dimensions

If inverters are installed in a place with abundant vegetation, in addition to routine weeding,

harden the ground underneath the inverters using cement or gravel (recommended area: 3 m x

2.5 m).

Installation Angle

2.1

Installation Space

2.2

•The M12x40 bolt assemblies are

delivered with the SUN2000 (bound to

the mounting bracket). If the bolt

assembly length does not meet the

installation requirements, prepare M12

bolt assemblies by yourself and use them

together with the delivered M12 nuts.

•Before installing the mounting bracket,

remove the security Torx wrench from

the mounting bracket and save it for

later use.

•This document introduces how to install

the SUN2000 on a support as an

example. For details about wall-mounted

installation, see the user manual.

3Installing the SUN2000

The clearance at the bottom must

meet the requirements on the

bending radius of the AC output

power cable.

1. Install the mounting bracket.

2. Unpack the inverter and move it to the specified position.

Handles are packed in a fitting bag and are not delivered with the SUN2000.

3. Adjust the installation positions of the handles, and install the SUN2000 on the mounting

bracket.

If outdoor copper-core cables are used, select copper wiring terminals. For details about the

requirements for cables and terminals of other materials, see the user manual.

4Installing Cables

Installation Preparations

4.1

No.

Item

Type

Specifications

Description

PE cable

Single

-core

outdoor copper

cable

Conductor cross

sectional area ≥

S/2[1]

is the conductor cross

sectional area of the AC

output power cable.)

•

If you choose the

ground point on the

chassis shell for

connecting a PE

cable, prepare the PE

cable.

•

If you choose the

ground point in the

maintenance

compartment for

connecting a PE

cable, use a four-

core

AC output power

cable and do not

have to prepare a PE

cable.

AC output

power

cable

[2][3][4]

Outdoor copper

cable

•

Conductor cross-

sectional area: 50–

240 mm2

•Cable outer diameter:

24–66 mm (multi-

core); 14–32 mm

(single-core)

If you choose the ground

point in the maintenance

compartment for

connecting a PE cable,

use a four

-core cable.

Otherwise, use a three

core cable or three

single

-core cables.

Outdoor

aluminum

-core

cable

•

Conductor cross-

sectional area: 70–

240 mm2(multi-

core); 70–240 mm2

(single-core)

•Cable outer diameter:

24–66 mm (multi-

core); 14–32 mm

(single-core)

DC input

power cable

PV cable that

meets the 1500 V

standard

•

Conductor cross-

sectional area: 4–6

mm2

•Cable outer diameter:

4.7–6.4 mm

No.

Item

Type

Specifications

Description

RS485

communication

s cable

Outdoor shielded

twisted pair cable

•

Conductor cross-

sectional area: 0.25–

mm2

•Cable outer diameter:

4–11 mm

When three

communications cables

connect to the signal

cable connector, the

outer diameter of the

cables should be 4

–8

mm.

(Optional)

Power cable of

the tracking

system

Three

core outdoor

copper cable with

dual

-layer

protection

•

Conductor cross-

sectional area: 10

mm2

•Cable outer diameter:

15–18 mm

Note [1]: The value is valid only if the conductors of the PE cable and AC power cable use the

same material. If the materials are different, ensure that the conductor cross

sectional area of the

PE cable produces a conductance equivalent to that of the area S/2. The specifications of the PE

cable are subject to this table or calculated according to IEC 60364

-5-54.

Note [2]: You are advised to use a soft cable to prevent poor terminal contact due to the bending

stress of the cable

Note

[3]: For some models, the outer diameter of a single-core cable ranges from 14 mm to 36

mm based on the label in the maintenance compartment.

Note [4]: For some models, when the OT/DT terminal is crimped as shown in the following figure

and the rubber baffle plate of the AC wiring terminal is 112 mm, the maximum conductor cross

sectional area of the single

-core cable can be 400 mm2.

Specifications of the Crimped OT/DT Terminal

Specification of the Rubber Baffle Plate

Opening the Maintenance Compartment Door

4.3

•Do not open the host panel of the SUN2000.

•Before opening the SUN2000 maintenance compartment door, turn off the downstream AC

output switch and three DC switches at the bottom.

•Do not open the maintenance compartment door in rainy or snowy days. If you must, take

protective measures to prevent rain or snow from entering the maintenance compartment.

•Do not leave unused screws in the maintenance compartment.

1. Loosen the screws on the maintenance

compartment door.

2. Open the maintenance compartment door

and adjust the support bar.

Installing the PE Cable

4.2

•It is recommended that the PE cable

be connected to a nearby PE point.

Connect the PE points of all

SUN2000s in the same PV array to

ensure equipotential connections to

PE cables.

•To enhance the corrosion resistance

of a ground terminal, you are advised

to apply silica gel or paint on it after

connecting the PE cable.

This manual suits for next models

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