Huawei SUN2000 Series Manuale utente

SUN2000-(3.8KTL-11.4KTL)-USL0 Battery,

Energy Meter, and Autotransformer

Quick Guide

Issue: 05

Date: 2019-07-08

HUAWEI TECHNOLOGIES CO., LTD.

1Product Introduction

Component

Description

Source

Battery

Recommended:

LG RESU10H (Type-R)

Purchased by the

customer

Energy meter

Recommended:

CCS-WNC-3D-240-MB

Purchased by the

customer

Battery switch

The battery switch is located under the battery wiring box

cover and is not within sight. It is recommended to add a

visible external battery switch.

Recommended: a DC circuit breaker with a rated voltage

greater than or equal to 600 V DC and a rated current of:

•

15 A (SUN2000-3.8KTL/5KTL/7.6KTL-USL0)

•

20 A (SUN2000-9KTL/10KTL/11.4KTL-USL0)

Purchased by the

customer

Backup load

switch Recommended: a 2-pole AC circuit breaker with a rated

voltage greater than or equal to 240 V AC and a rated

current of:

•25 A (SUN2000-3.8KTL/5KTL/7.6KTL-USL0)

•30 A (SUN2000-9KTL/10KTL/11.4KTL-USL0)

Purchased by the

customer

Home load

switch Recommended: a 2-pole AC circuit breaker with a rated

voltage greater than or equal to 240 V AC and a rated

current of:

•20 A (SUN2000-3.8KTL-USL0)

•25 A (SUN2000-5KTL-USL0)

•40 A (SUN2000-7.6KTL-USL0)

•50 A (SUN2000-9KTL/10KTL-USL0)

•60 A (SUN2000-11.4KTL-USL0)

Purchased by the

customer

rights reserved.

The SUN2000-3.8KTL/5KTL/7.6KTL-USL0 supports two PV string inputs. The SUN2000-

9KTL/10KTL/11.4KTL-USL0 supports three PV string inputs. Two PV string inputs are used as an

example. Dashed boxes indicate optional components.

NOTE

2Battery Cables Connection

Cable

RESU10H

(Type

-R)

Inverter

Type

Conductor Cross

sectional Area

Range

Outer

Diameter

Ground cable

N/A

Single

-core

outdoor copper

cable

–8 AWG

Prepared

by the

customer

Negative line of

the power cable

–

BAT

–

Single

-core

outdoor copper

cable

•

14–8 AWG

(SUN2000-

3.8KTL/5KTL/7.6

KTL-USL0)

•

12–8 AWG

(SUN2000-

9KTL/10KTL/

11.4

KTL-USL0)

Prepared

by the

customer

Positive line of

the power cable

BAT+

Prepared

by the

customer

Communications

cable

2) EN GND

4) ER_CTL_B

Multi

-paired

and individually

foil

-shielded

cable that

complies with

UL2919,

CM/CMG (NEC

type), or CMH

(CSA type)

–16 AWG

Prepared

by the

customer

ENABLE_H

3) ER_CTL_A

4) RS485_H

5) 485A2

5) RS485_L

6) 485B2

3Energy Meter Cables Connection

Cable

WNC

-240

Inverter

Type

Conductor Cross

sectional Area

Range

Source

Communications

cable

–

8) 485B1

Multi

-paired and

individually foil

shielded

cable that complies with

UL2919, CM/CMG

(NEC type), or CMH

(CSA type)

–16 AWG

Prepared

by the

customer

B+

485A1

N/A

Shield layer of the

communications

cable

Connects to the shield layer of the

communications cable

1. Connect the signal cable.

L1/L2/N

When connecting cables, ensure that the source of current transformers points to the power grid.

NOTE

L1/L2

Clamp the shield

layer of the

communications

cable into the

ground point.

When connecting cables, ensure that the source of current transformers points to the power grid.

2. Set the DIP switch of the energy meter as the figure below to ensure that the

communications address is 11.

If the energy meter and the SUN2000

communicate successfully, the COM indicator of

the energy meter will be green.

NOTE

4Autotransformer Cables Connection

Autotran

sformer

Inverter

Type

Conductor Cross

sectional Area Range

Source

L1 (input)

L1 (back up

port)

•Use cables that can withstand

90°C(194°F) or 105°C

(221°F).

•

Two single-core outdoor

copper cables

•

12–6 AWG (SUN2000-

3.8KTL/5KTL/7.6KTL-

USL0)

•

10–4 AWG (SUN2000-

9KTL/10KTL/11.4KTL-

USL0)

Prepared by

the

customer

L2 (input)

L2 (back up

port)

Cables connecting between the autotransformer and SUN2000

Inverter

Type

Conductor Cross

sectional Area Range

Source

L1 (AC GRID)

•Use cables that can withstand

90°C

•

(194°F) or 105°C (221°F).

•

If the output mode is set to

L1/L2/N, use four single-core

outdoor copper cables (L1, N,

L2, PE).

•

If the output mode is set to

L1/L2, use three single-core

outdoor copper cables (L1, L2,

PE).

•

SUN2000-

3.8KTL/5KTL/7.6KTL-

USL0：

•

L1, N, L2:

•

12–6 AWG (SUN2000-

3.8KTL-USL0)

•

10–6 AWG (SUN2000-

5KTL-USL0)

•

6 AWG (SUN2000-

7.6KTL-USL0)

•

PE: 6 AWGSUN2000-

9KTL/10KTL/11.4KTL-

USL0：

•

L1, N, L2:

•

6–4 AWG (SUN2000-

9KTL/10KTL-USL0)

•

4 AWG (SUN2000-

11.4KTL-USL0)

•

PE: 6 AWG

Prepared

by the

customer

N ((AC GRID)

L2 (AC GRID)

Cables connecting between the SUN2000 and AC panel, backup AC panel

Autotransformer

Type

Conductor Cross

sectional Area Range

Source

L1 (output)

•Use cables that can withstand

90°C (194°F) or 105°C

(221°F).

•

Five single-core outdoor

copper cables

–6 AWG

Prepared by

the

customer

N (output)

L2 (output)

N (input)

8 AWG

Cables connecting between the autotransformer and AC panel, backup AC panel

The components and cable connection of the AC panel and backup AC panel in the figure are for

reference only and can be adjusted according to the actual situation.

NOTE

5Commissioning

a) Set the Auxiliary Power ON/OFF switch to ON after installing the battery pack. Ensure that the

Circuit Breaker switch is in the OFF position (including the Trip position).

b) Set the Circuit Breaker switch to ON.

c) Several seconds after the Circuit Breaker switch is set to ON, four indicators will be on.

d) Ensure that the ON indicator is on and check whether the battery pack is successfully

initialized. The power-on indicator on the front should turn green.

e) Close the wiring box cover.

Powering On the System

5.1

Auxiliary Power ON/OFF switch Circuit Breaker switch

1. Put the battery pack in operation by taking the following steps.

•If the FAULT indicator on the front of the battery pack is ON or flashing, contact your

installer.

•If the battery fails to connect to the SUN2000, contact Huawei customer service hotline and

set the Auxiliary Power ON/OFF switch to OFF. Otherwise the battery power will be

exhausted and the battery cannot be charged by the inverter.

•If the SUN2000 is not powered on or the battery is not connected to it, set the Auxiliary

Power to OFF. Otherwise the battery power will be exhausted and the battery cannot be

charged by the inverter.

2. Power on the SUN2000.

Before turning on the AC switch between the SUN2000 and the power grid, use a multimeter set to

the AC position to check that the AC voltage is within the specified range.

a) Turn on the battery switch between the battery pack and the SUN2000.

b) Turn on the AC switch between the SUN2000 and the power grid.

c) Turn on the DC switch at the bottom of the SUN2000.

d) Perform quick setting over the FusionHome app and add devices.

•Please set the CT rated current of CCS-WNC-3D-240-MB energy meter according to the actual

rated current of the current transformers.

•The app screen snapshots provided in this document correspond to FusionHome 2.1.11.300. The

figures are for reference only.

•The initial password for connecting the inverter WiFi is Changeme

•The initial password of the installer is 00000a.

•Use the initial password upon first power-on and change it immediately after login. To ensure

account security, change the password periodically and keep the new password in mind. Not

changing the initial password may cause password disclosure. A password left unchanged for a

long period of time may be stolen or cracked. If a password is lost, devices cannot be accessed.

In these cases, the user is liable for any loss caused to the PV plant.

Model Communi

cation

Address

CCS-

WNC-

3D-

240-

NOTE

Powering Off the System

5.2

a) Send a shutdown command from the FusionHome app. If you log in as installer, on the

Home screen, choose Device maintenance > Inverter ON/OFF, and perform operations as

required; if you log in as user, on the main screen, choose > Settings >Inverter

ON/OFF, and perform operations as required.

b) Turn off the AC switch between the SUN2000 and the power grid.

c) Turn off the main switch between the SUN2000 and the power grid.

d) Turn off the DC switch at the bottom of the SUN2000.

e) If a battery connects to the battery port, turn off the battery switch.

1. Power off the SUN2000.

Auxiliary Power

ON/OFF switch Circuit Breaker switch

2. Power off the battery pack.

a) Remove the wiring box cover.

b) Turn off the battery pack by setting the Circuit Breaker switch to the OFF position.

c) Ensure that every indicator on the battery pack is off. It should take 60 seconds at most

for the indicators to be off.

d) Turn off the Auxiliary Power ON/OFF switch.

e) Close the wiring box cover.

•Do not turn off the Auxiliary Power ON/OFF switch in normal operation mode such as charge

and discharge mode.

•If the battery pack is not used for a long time or there is any fault on the battery pack, turn off the

Circuit Breaker switch, and then turn off the Auxiliary Power ON/OFF switch.

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