Epcom EPIG7K Manuel utilisateur

Table of Contents

1General Information ........................................................................................................1

1.1 Safety Messages......................................................................................................1

1.2 Validity.......................................................................................................................2

1.3 Safety Precautions ...................................................................................................2

2 Product Overview............................................................................................................5

2.1 Components of PV Grid-Connected System..........................................................5

2.2 Schematic Diagram..................................................................................................6

2.3Appearance of Inverter.............................................................................................6

2.4Weights and Dimensions of Inverter........................................................................7

2.5 Specifications............................................................................................................8

3 Unpacking and Storage.................................................................................................11

3.1 Unpacking Inspection.............................................................................................11

3.2 Storage....................................................................................................................11

4Installation......................................................................................................................12

4.1 Mounting Location..................................................................................................12

4.2 Mounting the Inverter.............................................................................................13

4.2.1Clearance......................................................................................................13

4.2.2 Installation Procedure...................................................................................13

5 Electrical Connection....................................................................................................15

5.1 Safety Precautions .................................................................................................15

5.2 Electrical Connection Diagram ..............................................................................16

5.3 Cable Requirements...............................................................................................17

5.4 DC Connection........................................................................................................18

5.5AC Connection........................................................................................................20

5.6 Second Protective EarthConnection....................................................................21

5.7 Connection of Anti-Backflow Meter (Optional)......................................................

6 Installing the Communication Module..........................................................................24

7 Operation.......................................................................................................................26

7.1 Switching On...........................................................................................................26

7.2 Switching Off...........................................................................................................26

7.3 LED Indicator Lights...............................................................................................27

8 Monitoring......................................................................................................................28

8.1 Professional EditionApp........................................................................................28

8.1.1 Software Installation......................................................................................28

8.1.2Registration& Login......................................................................................28

8.1.3Create Plant...................................................................................................30

8.2 Home EditionApp...................................................................................................33

8.2.1 Software Installation......................................................................................33

8.2.2Registration& Login......................................................................................33

8.2.3Create Plant...................................................................................................34

9 Troubleshooting for Fault Messages Displayed onAPP.............................................36

1 General Information

1.1 Safety Messages

Read the manual carefully to become familiarwith the equipment before trying to install,

operate, service or maintain it. The following safety messages may appear throughout

this manual oron the equipment to warnof potential hazards.

DANGER

DANGER indicates a hazardous situation which, if not avoided, will result

in death or serious injury.

WARNING

WARNING indicates a hazardous situation which, if not avoided, could

result in death or serious injury.

CAUTION

CAUTION indicates a potentially hazardous situation which, if not

avoided, could result in minor or moderate injury.

NOTICE

NOTICE is used to address practices not related to physical injury, butto

property damage.

NOTE

NOTE is additional information in the manual, which is emphasis and

supplement to the contents and provides prompts that are valuable for the

optimal installation and operation.

This manual and device mayalso use the following electrical symbols and identification,

shown as follows:

Symbol Description Symbol Description

DC — Voltage negative pole

AC + Voltage positive pole

Earth (Ground)

Off (Power supply)

Protective earth On (Power supply)

Frame or chassis terminal

Refer to the manual

description

~ 1 ~

Caution, risk of electric

shock Warning of danger

Caution, hot surface

Danger alert of electric

shock. Energy storage

timed discharge

(time to be indicated

adjacent to the symbol)

1.2 Validity

This manual is valid for the following residential single phase on-grid PV inverters

(hereinafter referred to as inverter):

2 kW / 2.5 kW / 3 kW / 3 kW – D / 3.68 kW / 4 kW / 4.6 kW / 5 kW / 6 kW / 7kW

1.3 Safety Precautions

Follow the precautions and special safety instructions provided in the manual when

operating the products. Our company will not be liable for any consequences that are

caused due to violations regarding general safety regulations and equipment design,

production,and usage safetystandards.

Disclaimer

Our company shall not be liable for any consequence caused by any of the following

events:

Damage caused by transportation

Storage conditions that do not meet the requirementsspecified in this document

Incorrect storage, installation, or use

Installation or use by unqualified personnel

Failure to comply with the operation instructions and safety precautions in this

document

Operation in extreme environments which are not specified in this document

Operation beyond specified ranges

Unauthorized modifications to the productor software code or removal of the

product

Device damage due to force majeure (such as lightning, earthquakes, fire,and

storms)

Warranty expiration without extension of the warranty service

Installation or use in environments which are not specified in related international

standards

~ 2 ~

DANGER!High voltage mayresult in death or serious burns!

● Operations on the inverter must be performed by qualified

personnel.

● PV arrays exposed to light may generate dangerous voltage.

● Do not touch the electriferous modules in the PV system while the

inverter is running.

● Carefully read the safetyprecautions in this manual.

DANGER!Do not touch the contacts or terminals connected to

the gridor the equipment, or it mayresult in electric shock to

death or outbreak of a fire!

●Do not touch the terminals or conductors connected to the grid

circuit.

● Read and understand all instructions and safety precautions for

grid connection.

● Followall the safetyprecautions forlowvoltage powergrid.

DANGER! The damaged device or system fault may result in

electric shock or outbreak of a fire!

●Check if there is damage or otherdangerous conditions for the

device beforeoperation.

●Check if the external device and circuit connection are in a safe

state.

●Make sure the device is ina safe state for operating.

WARNING!

●The inverter can be connected to the grid only if it gets permission

from the local electric power department.

●All electrical installations must be made in accordance with national

and local standards and regulations.

WARNING! Operation by non-

professional may result in death o

severe burns.

●Only trained electrically qualified persons are permitted to do

electrical operation onthis product.

●During maintenance, it is necessary to ensure that at least two staff

members work inthe field; the breakers of AC terminal and DC

terminal must be fully disconnected for at least 10 minutes for

internal energy storage components discharging completely, which

should be confirmed witha voltmeter.

~ 3 ~

NOTICE!Contact or improper operation on printed circuit board

other electrostatic sensitive components may result in

damage to the components.

●Avoid unnecessary contacts with circuit boards.

●Comply with electrostatic protection standards, wear an antistatic

wrist strap.

When installing PV arrays during the day, opaque material should be used tocover

the solar battery arrays, otherwise, the solar array will generate high voltage under

sunlight.

The input DC voltage must not exceed 600 V, and the excessive voltage mayresult

indamage to the device.

The inverter must be properlytransported, stored, assembled, installed, operated

and maintained.

All operations and wiring must be made by qualified personnel only to ensure that

all electrical installations meet the electrical installation standards. In order to

ensure safe operation, the device should be grounded properly and provided with

necessary short circuit protection.

Ensure that DC side and AC side have no electric charge before maintaining or

checking the inverter.

The capacitorinthe inverter maypresent a shock hazard even all connections of

the inverterare disconnected.Therefore, the device should be maintained and

operated after turning off the inverter for at least 10 minutes.

Follow all the instructions in this manual.

The inverter will generate heat during operating, do not touch the radiator and other

hot components of the inverter during operating to avoid burns.

~ 4 ~

2 Product Overview

2.1 Components of PV Grid-Connected System

PV grid-connected system consists of PV modules, PV grid-connected inverters,

metering device and power distribution system. The solar energy is converted into DC

via PV modules, and then the DC is converted into sinusoidal AC which has the same

frequency and phase as the utility grid and fed into the utility grid via inverters.

Components Description

A PV modules Monocrystalline silicon, polycrystalline silicon, and thin-film

batteries with Ⅱlevel protectionand no need to be grounded

B Inverter

2 kW / 2.5 kW / 3 kW / 3 kW-D / 3.68 kW / 4 kW / 4.6 kW / 5

kW / 6 kW / 7 kW

C Electric meter Standard measuring tools for inverter output power

D Utility grid TT, TN-C, TN-S, TN-C-S

~ 5 ~

2.2 Schematic Diagram

PV1

PV2

DC Switch MPPT1

(DC/DC)

MPPT2

(DC/DC)

DC BUS Inverter

(DC/AC) LCL Filter

Relay GFCI

GND

Insulation

Detection

Dual DSP/MCU

LED

RS485/GPRS/WiFi

Note: The above figure is the schematic diagram of 3 kW-D / 3.68 kW / 4 kW / 4.6

kW / 5 kW / 6 kW / 7kW inverters. A single input is applied to 2 kW / 2.5 kW / 3 kW

inverters.

The inverter topology consists of boost and inversion. PV input feeds into the public

power grid via DC filtering, boosting, DC bus decoupling, inverter and AC filtering.

It adopts DSP and MCU dual-chip redundancy technology to realize fault detection

and protection of the inverter. The interior of the inverter has two groups of relays

connected between the inverter circuit output and power grid port, and the groups of

relays have self-test function that can ensure reliable disconnecting of the

connection between the inverter circuit and the utility grid in the event of afailure.

It realizes the remote monitoring of the PV power generation system via the

communication methods of RS485, GPRS and Wi-Fi.

2.3 Appearance of Inverter

~ 6 ~

No.

Description

Explanation

①LED display panel To display the inverter running state /

communication status

②DC input terminals To connect inverter to PV modules

③DC switch To directly control DC input On / Off

④Communication terminals

ToconnectWi-Fi or other communication

module

⑤

Meter communication and

digital input

Input interface for electric meter communication

and external digital input

⑥DRMcommunication

Interface of demand response modesfor

Australia grid dispatching

⑦Ventilation valve

To prevent from condensing and fogging, and

balance differential pressure betweeninside

and outside the cabinet

⑧AC output terminals

Tofeed the inverteroutput energy into the grid

⑨Mounting bracket

Tofixthe inverteron the wall mounting bracket

2.4 Weights and Dimensions of Inverter

Inverters

Weight

Dimensions (W×D×H)

2 kW / 2.5 kW / 3 kW

< 9 kg

308 mm ×116.5 mm × 353 mm

3 kW-D / 3.68 kW / 4 kW / 4.6 kW / 5

kW / 6 kW / 7kW

< 11.5 kg

370 mm ×126.5 mm × 420 mm

Dimensions of 2 kW / 2.5 kW / 3 kW inverter:

~ 7 ~

Dimensions of 3 kW-D / 3.68 kW / 4 kW / 4.6 kW / 5 kW / 6 kW / 7kW inverter:

2.5 Specifications

Model 2

kW 2.5

kW 3

kW -

3.68

kW 4

kW 4.6

kW 5

kW 6

kW 7

Input (DC)

Max. input

power (W)

260

3250

3900 390

480

520

600

650

780

Max. input

voltage

600 V

Start-up

voltage

120 V

Rated

voltage

360 V

MPPT

voltage

range

90 – 550 V

MPPT

voltage

range at

full load

200

–

480

250

–

480

300

–

480

150

–

480

200

–

480

200

–

480

230

–

480

250

–

480

300

–

480

350

–

480

Max. input

current

11 A 11 A × 2

Number of

MPPTs

1 2

Output (AC)

~ 8 ~

Rated

output

power (W)

200

0 2500 3000 300

0 368

0 400

0 460

4900

(AU

5000

(EU

600

0 700

Max.

output

current

8.7

A 10.9

A 13A 13 A 16A 17.4

A 20

21.3

(AUS)

21.8

(EUR)

26.1

A 30.5

Rated

output

voltage

230 Vac

On-grid

voltage

range

180 – 280 Vac

Rated

frequency

50/60 Hz

On-grid

frequency

range

45 – 55 Hz /55 – 65 Hz

THD

< 3% (rated output power)

Power

factor

( )

> 0.99

Efficiency

Max.

conversion

efficiency

97.8%

European

efficiency 97.3%

Others

Protection

DC reverse polarity protection - DC input impedance monitoring - Leakage

current protection - Output short-circuit protection - Islanding protection –

Output DC component detection

~ 9 ~

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