Huawei SUN2000P-375 W User manual

Issue: 05

Part Number: 31509029

Date: 2020-10-20

SUN2000P-375 W Smart PV Optimizer

Quick Guide

Secure the SUN2000P to a PV module support or PV module frame. The fittings required depend

on the installation position.

Mounting

ear

1Overview

2Installing the SUN2000P

Installing the SUN2000P on the Extruded Aluminum Profile of a PV Module

Support

Install the SUN2000P on

the extruded aluminum

profile.

Assemble the flange

nut and SUN2000P. Tighten the nut.

SUN2000P-375 W

–SUN2000P: smart PV optimizer

–375 W: maximum input power

375 W

OUT+OUT–IN+IN–

Model Naming Conventions

Port Definition

Installing the SUN2000P (Front Outwards) on a PV Module Frame

PV module

Assemble the

SUN2000P 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 SUN2000P should be at least

20 mm away from the rooftop.

Do not press the SUN2000P mounting ear

against the positioning pole of the frame

mounting bracket.

Positioning pole

Installing the SUN2000P (Back Outwards) on a PV Module Frame

Assemble the

SUN2000P 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 SUN2000P 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

Installing the SUN2000P on the Steel Channel of a PV Module Support

(Through a Hole)

Assemble the T-

shaped nut and

SUN2000P.

Install the T-shaped nut

on the steel channel. Tighten the nut.

Installing the SUN2000P on the Steel Channel of a PV Module Support

(Through a Slot)

Tighten the nut.

Assemble the T-

shaped nut and

SUN2000P.

Install the T-shaped nut

on the steel channel.

Install SUN2000P cables as shown in the following figure. Failing to do so may damage the

SUN2000P or PV module.

If a SUN2000P does not connect to any other device, connect the OUT+ and OUT- ports of

the SUN2000P respectively to the IN+ and IN–ports to protect the terminals from water.

3Installing the SUN2000P Cable

The mounting bracket

applies to a 40 mm or 41

mm thick steel channel.

The mounting bracket

applies to a slotted hole

with a width of no less

than 11 mm and length of

no less than 32 mm, and

the steel channel is 40 mm

or 41 mm thick.

1. Connect the IN+ port and IN–port on the first SUN2000P respectively to the positive and negative

wiring terminals in the PV module connection box.

2. Connect the OUT–port on the first SUN2000P to the OUT+ port on the next SUN2000P.

3. Connect other SUN2000P cables in turn by following steps 1 and 2.

4. Connect the OUT–port on the last SUN2000P to the IN–port on the smart PV safety box or the PV–

port on the inverter.

5. Connect the OUT+ port on the first SUN2000P to the IN+ port on the smart PV safety box or 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.

The SUN2000Ps 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 SUN2000Ps are installed on the

same side of PV module frames.

A SUN2000P should be less than 0.8 meter away from the connection box, and less than 2

meters away from the next SUN2000P.

A SUN2000P should be 1–350 meters away from the inverter.

4Verifying the Installation

5Powering On the System

Huawei Technologies Co., Ltd.

Huawei Industrial Base, Bantian, Longgang

Shenzhen 518129 People's Republic of China

www.huawei.com

It is recommended that positive and negative cables (IN+/IN–or PV+/PV–) between the SUN2000P

and the smart PV safety box or inverter be pulled straight, placed in parallel, and do not tangle.

Inverter

PV module connection box

Full Configuration of Optimizers

Optional Configuration of Optimizers Inverter

PV module connection box

Smart PV

safety box

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