Sofar ESI 3K-S1 Manuale utente

ESI 3~6K-S1-HA1~6 user manual

Table of Content

Preface................................................................................................................. I

1. Basic Safety Information......................................................................1

1.1 Requirement for Installation and Maintenance............. 1

1.2 Symbols and signs.....................................................................6

2. Product Introduction.......................................................................... 10

2.1 Product overview..................................................................... 10

2.2 Product Model Description.................................................. 11

2.3 Product Capacity Description............................................. 13

2.4 Product Appearence...............................................................16

2.5 Buttons and indicator lights................................................ 18

2.6 Product label............................................................................. 20

3. Product Installation............................................................................. 22

3.1 Checking Before Installation............................................... 22

3.2 Installation Tools...................................................................... 27

3.3 Installation environment.......................................................29

3.4 Installation Space.................................................................... 31

3.5 Product Installation................................................................ 32

4. Electrical Connection..........................................................................36

4.1 Attentions Before Connection............................................ 36

4.2 Preparation of Connection Cables.....................................36

4.3 Electrical Connection for Internal System......................37

ESI 3~6K-S1-HA1~6 user manual

III

4.4 External Electrical Connection........................................... 41

4.5 Install the cover........................................................................ 59

4.6 Parallel system..........................................................................60

4.7 System Electrical Topology.................................................. 62

5. Commissioning..................................................................................... 64

5.1 Checking Before System Starting......................................64

5.2 Electrify for the First Time（Important）........................64

5.3 Menu.............................................................................................67

6. Trouble shooting and maintenance..............................................84

6.1 Troubleshooting....................................................................... 84

6.2 Daily Maintenance.................................................................100

6.3 Store and charge the battery module........................... 100

7. Technical Parameters....................................................................... 103

8. Manufacturer's Warranty and Liability Terms.......................... 108

ESI 3~6K-S1-HA1~6 user manual

Preface

Notice

The products, services or features you purchased shall be subject

to the company's commercial contracts and terms. All or part of

the products and services described in this document may not

within the scope of your purchase. Unless additional terms and

conditions in your contract, the company does not make any

statement or guarantee on the contents of this document. In

addition, the term "Product" as described in this document refers

broadly to "ESI Series products"

Save this Instruction

This manual must be considered as an integral part of the

equipment. Customer can print the electronic version to hard

copy and keeping properly for future reference. Anyone who

operates the device at any time must operate in accordance with

the requirements of this manual.

The copyright of this manual belongs to SHENZHEN

SOFARSOLAR Co., Ltd. Any corporation or individual should not

plagiarize, partially cope or fully copy (including software, etc.),

not allow to duplication and publishment in any form and any

interpretation. This manual subject to modify according to user's

or customer's feedback. Please check our website at

http://www.sofarsolar.com for lasted version.

The scope of use and warranty is only applicable to mainland

China.

Document Updates

V3.0 2023-09-01

ESI 3~6K-S1-HA1~6 user manual

Initial version

Outline

Please read the product manual carefully before installation,

operation or

maintenance. This manual contains important safety instructions

and installation

instructions that must be followed during installation and

maintenance of the

equipment.

Scope of Validity

This product manual describes the installation, electrical

connections,

commissioning, maintenance and troubleshooting of ESI Series

products.

Target Group

This manual is for qualified electricians. The tasks described in

this manual only can be performed by qualified electricians.

Symbols Used

The following types of safety instruction and general information

appear in this document as described below:

“Danger” indicates a hazardous situation which, if not

avoided, will result in death or serious injury.

Danger

ESI 3~6K-S1-HA1~6 user manual

III

“Warning” indicates a hazardous situation which, if

not avoided, could result in death or serious injury

Warning

“Caution” indicates a hazardous situation which, if

not avoided, could result in minor or moderate injury

Caution

“Attention” indicates there are potential risks, if fail to

prevent, may lead to equipment cannot normally or

property damage.

Attention

“Note” provides additional information and tips that

are valuable for the optimal operation of the product,

will help you to solve a problem or save your time.

Note

ESI 3~6K-S1-HA1~6 user manual

1.Basic Safety Information

Outlines of this Chapter

Please read the instruction carefully. Faulty operation may cause

serious injury or death .

1.1 Requirement for Installation and Maintenance

Common Requirements

The product must be installed in full compliance with national and

local power grid standards and regulations.

Before installing and adjusting the produce, please read all of

instructions, cautions and warnings in this manual

Before connecting the product to the electrical utility grid, contact

the local utility company for allowance. Also, this connection must be

made only by qualified electrician.

When any maintenance or repair is required, please contact the

nearest authorized maintenance center. If you don't know which

service center is closest to you, please contact your local distributor.

Don't repair the product by yourself, which may lead serious injury or

damage.

Before installing and maintaining the device, using the DC switch to

cut off the high voltage direct current of the photovoltaic array.

If you have any question or problem when you read the

following information, please contact SHENZHEN

SOFARSOLAR CO., Ltd.

Note

ESI 3~6K-S1-HA1~6 user manual

Otherwise, the high voltage may cause serious injury.

The product should be placed in a well-ventilated place. Do not

place the product in a sealed or air-tight position or cabinet,

otherwise it will affect the operation performance and system life

of the energy storage system.

Avoid direct sunlight. Do not place this product near stoves and

fire sources. Otherwise, the lithium battery in the product system

will leak or even explode.

The maintenance personnel of this product must understand the

knowledge and skills related to inverter and battery

maintenance.

ESI Series products are transformerless inverter which requires

the positive pole and negative pole of the PV array are NOT

grounded. Otherwise, it will cause inverter failure. In the PV

system, all non-current-carrying metal parts (such as mounting

frame, combiner box enclosure, etc.) should be connected to

earthed.

Reminder: Do not disassemble and destroy the battery. The toxic

electrolyte in the battery can damage your skin and eyes.

Caution: Comply with the following requirements during the

installation and maintenance of the product:

A) Remove watches, rings and other metal objects from your

body.

B) Use tools with insulated handles.

C) Wear rubber gloves and shoes.

D) Do not place tools or metal objects on the battery.

E) Close the inverter before connecting/disconnecting the battery

ESI 3~6K-S1-HA1~6 user manual

and the energy storage inverter.

F) Battery +/- pole shall be isolated from ground.

Installation and maintenance personnel requirements

When the product is in the running state, some parts may be

electrified and hot. Improper use, improper installation or

operation may result in serious injury to person or property.

Transport, loading, unloading, installation, start-up and

maintenance operations must be performed by a qualified

electrical engineer (all accident precautions in force in the user's

country must be followed!) SOFAR will not be responsible for any

personal injury or property injury caused by improper use.

Installation location requirement

Please install the product according to the following section.

Place inverter in an appropriate bearing capacity objects (such as

solid brick wall, or strength equivalent mounting surface, etc.)

and make sure inverter vertical placed. A proper installation

location must have enough space for fire engine access in order

for maintenance if faulty occur. Ensure the inverter is installed in

a wall ventilated environment and have enough air cooling cycle.

Air humidity should less than 90%.

Transportation Requirement

Inverter is in the good electrical and physical condition when it ship

out from factory. During transport, inverter must be placed in its

original package or other proper package. Transportation company

should responsible for any damage during transport period.

If you find any packing problems that may cause the damage of

inverter or any visible damage, please notice the responsible

transportation company immediately. You can ask your installer or

ESI 3~6K-S1-HA1~6 user manual

SOFAR for help is necessary.

This product contains battery module through UN38.3, belongs to the

ninth category of dangerous goods. Therefore, loading and unloading

must comply with local laws and regulations and industry standards

during transportation. Rough loading and unloading may cause short

circuit or damage to batteries in containers, which may result in

battery leakage, breakage, explosion, or fire.

Transportation Requirement

Shipping complies with the IMDG CODE and the

International Maritime Dangerous Goods CODE.

For land transportation, comply with ADR or JT T617 shipping

requirements

Meet the regulatory requirements of the transport regulatory

authorities of the country of origin, route and destination.

Comply with international regulations for the transport of dangerous

goods and the supervision requirements of the corresponding

national transport regulatory authorities.

Electrical Connection

Please comply with all the current electrical regulations about

accident prevention in dealing with the current inverter.

Before the electrical connection, use opaque material to

cover the PV modules or disconnect PV string DC switch.

PV arrays will produce dangerous voltage if it is exposure

under sun. When installing a battery, check the positive

and negative terminals of the battery and turn off the

battery.

Danger

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