Huawei SUN2000-375W-USP0 Bedienungsanleitung

Issue: 03

Part Number: 31509514

Date: 2018-06-11

SUN2000-375W-USP0 Smart PV

Optimizer Quick Guide

Secure the optimizer to a PV module support or PV module frame. The fittings required depend on the

installation position.

1Overview

2Installing the Optimizer

Installing the Optimizer on the Extruded Aluminum Profile of a PV Module Support

Install the optimizer on

the extruded aluminum

profile.

Assemble the flange

nut and optimizer. Tighten the nut.

–SUN2000: PV product series name

–375W: maximum input power 375 W

–US: U.S. edition

–P: smart PV optimizer identifier

–0: serial number

SUN2000-375W-USP0

Mounting

ear

OUT+OUT–IN+IN–

Model Naming Conventions

Port Definition

Item

Description

Grounding

mode

Grounding the

mounting ears

Protection level

Label

Name

Electric

shock

warning

Burn

warning

Grounding

Direct

current

Installing the Optimizer (Front Outwards) on a PV Module Frame

PV module

Assemble the

optimizer and the

frame mounting

bracket.

Install the frame

mounting bracket

on the back of the

PV module frame.

Secure the frame mounting bracket.

Rooftop

The front of the optimizer should be at least 20

mm away from the rooftop.

Do not press the optimizer mounting ear against

the positioning pole of the frame mounting

bracket.

Positioning pole

NOTE

Installing the Optimizer (Back Outwards) on a PV Module Frame

Assemble the

optimizer and the

frame mounting

bracket.

Install the frame

mounting bracket

on the back of the

PV module frame.

Secure the frame mounting bracket.

PV module

The front of the optimizer should be at least

10 mm away from the back of the PV module.

The frame mounting bracket should be at

least 20 mm away from the rooftop.

Rooftop

NOTE

3Installing the Optimizer Cable

1.Connect the IN+ port and IN–port on the first optimizer respectively to the positive and negative

wiring terminals in the PV module connection box.

2.Connect the OUT–port on the first optimizer to the OUT+ port on the next optimizer.

3.Connect other optimizer cables in turn by following steps 1 and 2.

4.Connect the OUT–port on the last optimizer to the PV–port on the inverter.

5.Connect the OUT+ port on the first optimizer to the PV+ port on the inverter.

1.Check that all mounting brackets are securely installed and all screws are tightened.

2.Check that all cables are reliably connected with correct polarity and no short circuit.

For details, see the description about inverter power-on.

Install optimizer cables as shown in the following figure. Failing to do so may damage the optimizer

or PV module.

If an optimizer does not connect to any other device, connect the OUT+ and OUT- ports of the

optimizer respectively to the IN+ and IN–ports to protect the terminals from water.

The optimizers in the same PV string can be installed in various orientations and tilts, and on

various types of PV modules. The following figure shows how optimizers are installed on the same

side of PV module frames.

An optimizer should be less than 0.8 meter away from the connection box, and less than 2 meters

away from the next optimizer.

An optimizer should be 1–350 meters away from the inverter.

The Photovoltaic System Grounding shall be installed per the requirements of Sections 690.41

through 690.47 of the National Electrical Code, ANSI/NFPA 70 and is the responsibility of the

installer.

The National Electrical Code, ANSI/NFPA 70 wiring mode must be used in onsite installation.

Cable terminals from different manufacturers cannot be interconnected.

Inverter

PV module connection box

4Verifying the Installation

5Powering On the System

NOTE

It is recommended that the positive and negative cables (PV+ and PV-) between the optimizer and

inverter be pulled straight and placed in parallel to avoid tangling.

NOTE

Huawei Technologies Co., Ltd.

Huawei Industrial Base, Bantian, Longgang

Shenzhen 518129 People's Republic of China

www.huawei.com

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