Solenso Sol-H350 Manuel utilisateur

User Manual

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About Microinverter

This system is composed of a group of Microinverters that convert direct current (DC) into alternating

current (AC) and feeds it into the public grid. The system is designed for the incorporation of one

Microinverter for two photovoltaic modules. Each Microinverter works independently that guarantees the

maximum power generation of each photovoltaic module. This setup enables user to control the production

of a single photovoltaic module directly, consequently improving the flexibility and reliability of the system.

About the Manual

This manual contains important instructions for the Sol-H350/ Sol-H400 Microinverter and must be read in

its entirety before installing or commissioning the equipment. For safety, only qualified technician, who has

received training or has demonstrated skills can install and maintain this Microinverter under the guide of

this document.

Other Information

Product information is subject to change without notice. User manual will be updated frequently, please

refer to Solenso official website at www.solenso-global.com for the latest version.

Contents

1. Important Notes .................................................................................................................................................. 5

1.1 Product Range.............................................................................................................................................. 5

1.2 Target Group................................................................................................................................................. 5

1.3 Symbols Used............................................................................................................................................... 5

2. About Safety........................................................................................................................................................ 5

2.1 Important Safety Instructions...................................................................................................................... 5

2.2 Explanation of Symbols............................................................................................................................... 6

2.3 Radio Interference Statement.................................................................................................................... 7

3. About Product ..................................................................................................................................................... 7

3.1 About Single Unit.......................................................................................................................................... 7

3.2 Highlights....................................................................................................................................................... 7

3.3 Terminals Introduction................................................................................................................................. 8

3.4 Dimension...................................................................................................................................................... 8

4. About Installation................................................................................................................................................ 9

4.1 Equipment and Accessories....................................................................................................................... 9

4.2 Installation Precaution................................................................................................................................. 9

4.3 Installation Microinverter........................................................................................................................... 10

5. Troubleshooting................................................................................................................................................ 16

5.1 Troubleshooting List .................................................................................................................................. 16

5.2 Status LED Indicator.................................................................................................................................. 19

5.3 Insulation Resistance Detection............................................................................................................... 20

5.4 On-site Inspection (For qualified installer only)..................................................................................... 20

5.5 Routine Maintenance................................................................................................................................. 21

5.6 Replace Microinverter................................................................................................................................ 21

6. Decommissions................................................................................................................................................. 22

6.1 Decommissions.......................................................................................................................................... 22

6.2 Storage and Transportation...................................................................................................................... 22

6.3 Disposal....................................................................................................................................................... 23

7. Technical Data.................................................................................................................................................. 23

7.1 DC Input....................................................................................................................................................... 23

7.2 AC Output.................................................................................................................................................... 24

7.3 Efficiency, Safety and Protection............................................................................................................. 24

7.4 Mechanical Data......................................................................................................................................... 24

7.5 Features....................................................................................................................................................... 24

Appendix 1:............................................................................................................................................................ 26

Installation Map................................................................................................................................................. 26

Appendix 2:............................................................................................................................................................ 27

WIRING DIAGRAM –230VAC SINGLE PHASE:........................................................................................ 27

WIRING DIAGRAM –230VAC / 400VAC THREE PHASE:....................................................................... 28

1. Important Notes

1.1 Product Range

This manual describes the assembly, installation, commissioning, maintenance and failure search of

the following model of Solenso Microinverter:

⚫Sol-H350

⚫Sol-H400

*Note: “350” means 350W, “400” means 400W.

1.2 Target Group

This manual is only for qualified technician, who has been trained or has demonstrated skills can

install and maintain this Microinverter under the guide of this document for safety purpose.

1.3 Symbols Used

The safety symbols in this user manual are show as below.

2. About Safety

2.1 Important Safety Instructions

The Sol-H350/ Sol-H400 Microinverter is designed and tested according to international safety

requirements. However, certain safety precautions must be taken when installing and operating this

inverter. The installer must read and follow all instructions, cautions and warnings in this installation

manual.

Symbol

Usage

Indicates a hazardous situation that can result in deadly electric shock

hazards, other serious physical injury, or fire hazards.

Indicates directions which must be fully understood and followed in

entirety in order to avoid potential safety hazards including equipment

damage or personal injury.

Indicates this points out that the described operation must not be carried

out. The reader should stop, use caution and fully understand the

operations explained before proceeding.

All operations including transport, installation, start-up and maintenance, must be carried out by

qualified, trained personnel.

Before installation, check the unit to ensure free of any transport or handling damage, which could

affect insulation integrity or safety clearances. Choose installation location carefully and adhere to

specified cooling requirements. Unauthorized removal of necessary protections, improper use, incorrect

installation and operation may lead to serious safety and shock hazards or equipment damage.

Before connecting the Microinverter to the power distribution grid, contact the local power distribution

grid company to get appropriate approvals. This connection must be made only by qualified technical

personnel. It is the responsibility of the installer to provide external disconnect switches and Over current

Protection Devices (OCPD).

Only one PV module can be connected to one input of the inverter. Do not connect batteries or other

sources of power supply. The inverter can be used only if all the technical characteristics are observed

and applied.

Do not install the equipment in adverse environment conditions such as flammable, explosive,

corrosive, extreme high or low temperature, and humid. Do not use the equipment when the safety

devices do not work or disabled.

Use personal protective equipment, including gloves and eye protection during the installation.

Inform the manufacturer about non-standard installation conditions.

Do not use the equipment if any operating anomalies are found. Avoid temporary repairs.

All repairs should be carried out using only qualified spare parts, which must be installed in

accordance with their intended use and by a licensed contractor or authorized Solenso service

representative.

Liabilities arising from commercial components are delegated to their respective manufacturers.

Anytime the inverter has been disconnected from the public network, please be extremely caution

as some components can retain charge sufficient to create a shock hazard. Prior to touching any part

of the inverter please ensure surfaces and equipment are under touch safe temperatures and voltage

potentials before proceeding.

Solenso accepts No liability for damage from incorrect or improper operation.

Electrical Installation & Maintenance shall be conducted by licensed electrician and shall comply with

Local Wiring Rules.

2.2 Explanation of Symbols

Symbol

Usage

Treatment

To comply with European Directive 2002/96/EC on waste Electrical and

Electronic Equipment and its implementation as national law, electrical

equipment that has reached the end of its life must be collected separately and

returned to an approved recycling facility. Any device no longer required must

be returned to an authorized dealer or approved collection and recycling facility.

Caution

Do not come within 8 inches (20cm) of the microinverter for any length of time

while it is in operation.

Danger of high voltages

Danger to life due to high voltage in the microinverter.

Beware of hot surface

The inverter can become hot during operation. Avoid contact with metal

surfaces during operation.

CE mark

The inverter complies with the requirements of the Low Voltage Directive for the

European Union.

Read manual first

Please read the installation manual first before installation, operation and

maintenance.

2.3 Radio Interference Statement

This microinverter has been tested and found to comply with the limits for CE EMC, which can provide

reasonable protection against harmful energy. However, if not installed according to the instructions,

the microinverter may cause harmful interference to radio equipment. There is no guarantee that the

interference will not occur in a particular installation.

To confirm that the radio or television reception is interfered by this equipment, you can turn the

equipment off and on. If this equipment does cause harmful interference to the radio or television

equipment, please try to correct the interference by one or more of the following measures:

1) Relocate the receiving antenna.

2) Increase the separation between the microinverter and the receiving antenna.

3) Place the shield between the microinverter and the receiving antenna, such as metal /

concrete roof.

4) Contact your dealer or an experienced radio/TV technician for help.

3. About Product

3.1 About Single Unit

Specially developed for AC modules Single Unit Microinverter with extremely wide DC input operating

voltage range (16-60V) and low start-up voltage (22V only).

3.2 Highlights

-Maximum output power up to 350W/400W; Adapted to 60 & 72 cells PV panels.

-Peak efficiency 96.70%; CEC weighted efficiency 96.50%.

-Static MPPT efficiency 99.80%; Dynamic MPPT efficiency 99.76% in overcast weather.

-Power factor (adjustable) 0.8 leading……0.8 lagging.

-External antenna for stronger communication with DTU.

-High reliability: NEMA6 (IP67) enclosure; 6000V surge protection.

3.3 Terminals Introduction

Object

Description

DC Connector

Antenna

AC Connectors

3.4 Dimension

4. About Installation

4.1 Equipment and Accessories

Item Description

A AC Bus Cable, 12/10 AWG Cable

B M5 screws

C Tool AC Disconnect

D Tool T ConnectorOpener

E AC Sub Cap

F Cap for T connector, IP67

*Note: All accessories above are not included in the package, and need to be purchased separately. Please contact our

sales representative for the price. (M5 screws need to be prepared by installer-self.)

4.2 Installation Precaution

Installation of the equipment is carried out based on the system design and the place in which the

equipment is installed.

The installation must be carried out with the equipment disconnected from the grid (power

disconnect switch open) and with the photovoltaic modules shaded or isolated.

Referring to the Technical Data to make sure the environmental conditions fit the microinverter’s

requirement (degree of protection, temperature, humidity, altitude, etc.)

To avoid power de-rating due to an increase in the microinverter internal temperature, do not

expose it to direct sunlight.

To avoid overheating, always make sure the air flow around the inverter is not blocked.

Do not install in places where gasses or flammable substances may be present.

Avoid electromagnetic interference that can compromise the correct operation of electronic

equipment.

When choosing the position of installation, comply with the following conditions:

4.3 Installation Microinverter

Section 1. AC Module

When you purchase the AC module, the microinverter is already locked to the module frame.

The frame of the AC module is specially designed. (The frame is 40mm in width.)

1) Place the AC module on the guide rail, do not cover the bus connector, Push the AC connector

of the microinverter to the trunk cable connector until you hear “click”.

Install only on structures specifically conceived for photovoltaic modules (supplied

by installation technicians).

Install Microinverter underneath of the photovoltaic modules to make sure it works

inthe shadow. Ifthis condition cannot be met, might trigger the inverter production de-rating..

Fig.1 Installation position of microinverter

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