Neoenerji 4KVA Manual de usuario

4KVA/ 5KVA

INVERTER / CHARGER

User Manual

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CONTENTS

ABOUT THIS MANUAL .....................................................................................................................................1

Purpose............................................................................................................................................................1

Scope...............................................................................................................................................................1

SAFETY INSTRUCTIONS..................................................................................................................................1

INTRODUCTION ...............................................................................................................................................2

Features...........................................................................................................................................................2

Basic System Architecture...............................................................................................................................2

Product Overview.............................................................................................................................................3

Operation Diagrams and work conditions........................................................................................................4

INSTALLATION...................................................................................................................................................7

Unpacking and Inspection................................................................................................................................7

Preparation ......................................................................................................................................................7

Mounting the Unit.............................................................................................................................................7

Battery Connection ..........................................................................................................................................8

AC Input/Output Connection............................................................................................................................9

PV Connection (Only apply for the model with solar charger).......................................................................10

Final Assembly...............................................................................................................................................11

OPERATION .....................................................................................................................................................12

Power ON/OFF ..............................................................................................................................................12

Operation and Display Panel.........................................................................................................................12

LCD Display Icons .........................................................................................................................................13

LCD Setting....................................................................................................................................................15

Display Setting...............................................................................................................................................16

Operating Mode Description..........................................................................................................................18

Fault Reference Code....................................................................................................................................19

Warning Indicator...........................................................................................................................................20

SPECIFICATIONS ...........................................................................................................................................21

Table 1 Line Mode Specifications ...................................................................................................................21

Table 2 Invert Mode Specifications ................................................................................................................22

Table 3 Charge Mode Specifications ..............................................................................................................23

Table 4 General Specifications .......................................................................................................................23

Charging Controls...........................................................................................................................................23

TROUBLE SHOOTING.....................................................................................................................................24

Appendix: Approximate Back-up Time Table ...........................................................................................25

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ABOUT THIS MANUAL

Purpose

This manual describes the assembly, installation, operation and troubleshooting of this unit. Please read

this manual carefully before installations and operations. Keep this manual for future reference.

Scope

This manual provides safety and installation guidelines as well as information on tools and wiring.

SAFETY INSTRUCTIONS

WARNING: This chapter contains important safety and operating instructions. Read and

keep this manual for future reference.

1. Before using the unit, read all instructions and cautionary markings on the unit, the batteries and all

appropriate sections of this manual.

2. CAUTION --To reduce risk of injury, charge only deep-cycle lead acid type rechargeable batteries.

Other types of batteries may burst, causing personal injury and damage.

3. Do not disassemble the unit. Take it to a qualified service center when service or repair is required.

Incorrect re-assembly may result in a risk of electric shock or fire.

4. To reduce risk of electric shock, disconnect all wirings before attempting any maintenance or cleaning.

Turning off the unit will not reduce this risk.

5. CAUTION –Only qualified personnel can install this device with battery.

6. NEVER charge a frozen battery.

7. For optimum operation of this inverter/charger, please follow required spec to select appropriate cable

size. It’s very important to correctly operate this inverter/charger.

8. Be very cautious when working with metal tools on or around batteries. A potential risk exists to drop

a tool to spark or short circuit batteries or other electrical parts and could cause an explosion.

9. Please strictly follow installation procedure when you want to disconnect AC or DC terminals. Please

refer to INSTALLATION section of this manual for the details.

10. Fuses (4 pieces of 30A, 150VDC for 4KVA and 5pcs of that for 5KVA) are provided as over-current

protection for the battery supply.

11. GROUNDING INSTRUCTIONS -This inverter/charger should be connected to a permanent grounded

wiring system. Be sure to comply with local requirements and regulation to install this inverter.

12. NEVER cause AC output and DC input short circuited. Do NOT connect to the mains when DC input

short circuits.

13. Warning!! Only qualified service persons are able to service this device. If errors still persist after

following troubleshooting table, please send this inverter/charger back to local dealer or service center

for maintenance.

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INTRODUCTION

This is a multi-function inverter/charger, combining functions of inverter, solar charger and battery charger to

offer uninterruptible power support with portable size. Its comprehensive LCD display offers user-configurable

and easy-accessible button operation such as battery charging current, AC/solar charger priority, and

acceptable input voltage based on different applications.

Features

Pure sine wave inverter

Configurable input voltage range for home appliances and personal computers via LCD setting

Configurable battery charging current based on applications via LCD setting

Configurable AC/Solar Charger priority via LCD setting

Compatible to mains voltage or generator power

Auto restart while AC is recovering

Overload/ Over temperature/ short circuit protection

Smart battery charger design for optimized battery performance

Cold start function

Basic System Architecture

The following illustration shows basic application for this inverter/charger. It also includes following devices to

have a complete running system:

Generator or Utility.

PV modules (option)

Consult with your system integrator for other possible system architectures depending on your requirements.

This inverter can power all kinds of appliances in home or office environment, including motor-type appliances

such as tube light, fan, refrigerator and air conditioner.

Figure 1 Hybrid Power System

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Note: Appliances such as air conditioner are required at least 2~3 minutes to restart because it’s required

to have enough time to balance refrigerant gas inside of circuits. If a power shortage occurs and

recovers in a short time, it will cause damage to your connected appliances. To prevent this kind of

damage, please check manufacturer of air conditioner if it’s equipped with time-delay function

before installation. Otherwise, this inverter/charger will trig overload fault and cut off output to

protect your appliance but sometimes it still causes internal damage to the air conditioner.

Product Overview

1. LCD display

2. Status indicator

3. Charging indicator

4. Fault indicator

5. Function buttons

6. Power on/off switch

7. AC input

8. AC output

9. PV input

10. Battery input

11. Circuit breaker

12. RS-232 communication port

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Operation Diagrams and Working Conditions

Abbreviation:

IUC, charging current from AC charger

ISC, charger current from solar charger

ICHG, total charging current of battery

IDISC, discharging current from battery

ILOAD, output current of AC load

CSF, Solar Charge First

CUF, Utility Charge First

CS+UF, Solar & Utility Charge at the same time

OSF, Output Solar First

OUF, Output Utility First

The device working status is determined by the states of inputs, the power on/off status, charging priority and

output priority setting. Please refer to the following table for the device’s work state.

Solar

Utility

Battery

Power

on/off

Switch

Output

Priority

Charge

Priority

State

LOSS

BAT AC OUTPUT

LOSS

LOW

SOLAR CHARGE WITHOUT OUTPUT

LOSS

OFF

SOLAR CHARGE WITHOUT OUTPUT

LOSS

CUF,CS+UF

AC CHARGE

LOSS

CSF

NO CHARGE

LOW

CUF

AC CHARGE

LOW

CSF

SOLAR CHARGE WITH OUTPUT

LOW

OFF

CSF

SOLAR CHARGE WITHOUT OUTPUT

LOW

CS+UF

AC & SOLAR CHARGE

OFF

OSF

CSF

SOLAR CHARGE WITHOUT OUTPUT

OFF

OSF

CUF

AC CHARGE

OFF

OSF

CS+UF

AC & SOLAR CHARGE

OSF

BAT MODE

OUF

CUF

AC CHARGE

OUF

CSF

SOLAR CHARGE WITH OUTPUT

OFF

OUF

CSF

SOLAR CHARGE WITHOUT OUTPUT

OUF

CS+UF

AC & SOLAR CHARGE

1) BAT AC OUTPUT

Solar Charger

Utility Source

Solar Source

Battery Bank

DC/AC Inverter AC Load

ILOAD

Isc IDISC

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The load is powered by battery power and solar power. Solar charger works when solar power is OK. The

maximum ISC will go up to 50Amp. Then, the status of solar power and connected load will determine if battery

is charge or discharge.

2) SOLAR CHARGE WITHOUT OUTPUT

Solar Charger

Utility Source

Solar Source

Battery Bank

DC/AC Inverter AC Load

Isc

Solar charges the battery. The Max. ISC goes up to 50Amp if solar panel with enough energy. No load is powered

at this state.

3) SOLAR CHARGE WITH OUTPUT

Solar Charger

Utility Source

Solar Source

Battery Bank

DC/AC Inverter AC Load

Isc ILOAD

The load is powered by the utility. Solar power charges the battery. The maximum ISC will go up to 50Amp if

enough energy is generated by solar modules.

4) AC CHARGE

Solar Charger

Utility Source

Solar Source

Battery Bank

DC/AC Inverter AC Load

Iuc ILOAD

The battery is charged by the utility. The maximum IUC is 30Amp. The solar charger doesn’t work. When the

power ON/OFF switch is turned “ON”, the device will generate output to the load. When the power ON/OFF

switch is turned “OFF”, the device won’t generate output to the load.

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5) AC & SOLAR CHARGE

Solar Charger

Utility Source

Solar Source

Battery Bank

DC/AC Inverter AC Load

Iuc ILOAD

Isc

The battery is charged by the utility and solar power at the same time. ICHG = IUC + ISC and the maximum ICHG

is 50Amp. When the power ON/OFF switch is turned “ON’, the device will generate output to the load. If the

power ON/OFF switch is turned “OFF”, the device won’t generate output to the load.

6) NO CHARGE

Solar Charger

Utility Source

Solar Source

Battery Bank

DC/AC Inverter AC Load

ILOAD

When the power ON/OFF switch is turned “ON”, the device will generate output to the load. If the power

ON/OFF switch is turned “OFF”, the device won’t generate output to the load. There is no charging current to

the battery.

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INSTALLATION

Unpacking and Inspection

Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should

have received the following items inside of package:

The unit x 1

User manual x 1

Communication cable x 1

Preparation

Before connecting all wirings, please take off bottom cover by removing two screws as shown below.

Mounting the Unit

Consider the following points before selecting where to install:

Do not mount the inverter on flammable construction

materials.

Mount on a solid surface

Install this inverter at eye level in order to allow the LCD

display to be read at all times.

For proper air circulation to dissipate heat, allow a clearance

of approx. 10 cm to the side and approx. 50 cm above and

below the unit.

The ambient temperature should be between 0°C and 55°C

to ensure optimal operation.

The recommended installation position is to be adhered to

the wall vertically.

Be sure keep other objects and surfaces as shown in the

below diagram to guarantee sufficient heat dissipation and

to have enough space for removing wires.

SUITABLE FOR MOUNTING ON CONCRETE OR OTHER NON-COMBUSTIBLE SURFACE ONLY.

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Install the unit by screwing three screws.

Battery Connection

CAUTION: To safety operation and regulation compliance, it’s requested to install a separate DC over-current

protector or disconnect device between battery and inverter. It may not be requested to have a disconnect

device in some applications, however, it’s still requested to have over-current protection installed. Please refer

to typical amperage in below table as required fuse or beaker size.

WARNING! All wiring must be performed by a qualified personnel.

WARNING! It's very important for system safety and efficient operation to use appropriate cable for battery

connection. To reduce risk of injury, please use the proper recommended cable and terminal size as below.

Recommended battery cable and terminal size:

Model

Typical

Amperage

Battery

capacity

1~3 m one-way

Ring Type for Cable

Terminal

Torque value

4KVA

67A

200AH

1*4AWG

KST: RNBS22-6

2~ 3 Nm

2*8AWG

KST: RNBS14-6

5KVA

84A

200AH

1*4AWG

KST: RNBS22-6

2~ 3 Nm

2*8AWG

KST: RNBS14-6

Please follow below steps to implement battery connection:

1. Assemble battery ring terminal based on recommended battery cable and terminal size.

2. This model supports 48VDC system. It’s suggested to connect at least 200Ah capacity battery.

NOTE: Please only use sealed lead acid battery or sealed GEL/AGM lead-acid battery.

3. Insert the ring terminal of battery cable flatly into battery connector on the inverter and make sure the

bolts are tightened to a torque of 2-3 Nm. Make sure polarity at both the battery and the inverter/charge is

correctly connected and ring terminals are tightly screwed to the battery terminals.

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