Epever NPower Series Manual de usuario

NPower Series

——Pure Sine Wave Inverter

User Manual

Contents

Important Safety Instructions...........................................1

1. Overview.....................................................................6

2.Characteristics .............................................................8

3.Designations of models..............................................13

4. Schematic diagram for connections ..........................14

5.Installation instructions...............................................15

5.1 General installation notes..................................15

5.2Wire size &breaker.............................................15

5.3 Mounting...........................................................16

6. Protection..................................................................21

7. Troubleshooting.........................................................23

8. Maintenance..............................................................24

9. Technical Specifications ............................................25

AnnexⅠDisclaimer........................................................36

Important Safety Instructions

Please reserve this manual for future review.

This manual contains all the instructions about safety, installation, and

operation for NPower series pure sine wave inverter (hereinafter referred to as

the inverter).

1. Explanation of symbols

To enable the user to use the product efficiently, as well as to ensure personal

and property safety, this manual provides related information and emphasize

the following symbols.

Please read the related words carefully when you encounter the following

symbols in the manual.

WARNING: The entire system should be installed by professional

and technical personnel.

TIP:

Indicates any practical advice for reference.

IMPORTANT:

Indicates a critical tip during the operation, if ignored, may cause the

device to run in error.

CAUTION:

Indicates potential hazards, if not avoided, may cause the device

damaged.

WARNING:

Indicates the danger of electric shock, if not avoided, would cause

casualties.

WARNING HOT SURFACE:

Indicates the risk of high temperature, if not avoided, would cause

scalds.

Read the user manual carefully before any operation.

2. Requirements for professional and technical personnel

Professionally trained;

Familiar with related safety specification for the electrical system;

Read the entire user manual to get related safety cautions.

3. Professional and technical personnel is allowed to do

Install the inverter to the specified location;

Test-run before installation;

Operate and maintain the inverter.

4. General installation notes

IMPORTANT:: When receiving the inverter, please firstly check if

there is any damage occurred in transportation, if find any problem,

please contact the transportation company or our company in time.

CAUTION: Follow the instructions before placing or moving the

inverter.

CAUTION: Make sure there isn’t any arc danger in the operation

area before installation.

CAUTION: Inverter input is recommended to connect to battery, the

minimum capacity of battery (expressed in AH) should be calculated in

the following way: 5 times of the rated power of the inverter/battery

voltage.

WARNING: Keep the inverter out of children touch.

WARNING: It’s an off-grid inverter, do not connect the AC output

terminals to the utility or electrical source, otherwise the inverter may be

damaged.

WARNING: The inverter can be used singly, parallel connection or

in series will damage the inverters.

5. Safety cautions for mechanical installation

WARNING: Before installation, must make sure the inverter has no

electrical connection.

WARNING: Ensure the heat dissipation space for the inverter

installation, and do not install the inverter in humid, greasy, flammable,

explosive, dust accumulative or other severe environments.

6. Safety cautions for electrical connection

CAUTION: Check if all the wiring connections are tight, to avoid the

danger of heat accumulation due to a loose connection.

CAUTION: The protective grounding must be connected to the

ground. The cross-section of the wire should not be less than 4mm2.

CAUTION: Connect the DC input according to the requirement

strictly. The power inverter has a relatively wide input range, but too high

or too low input may cause problems even destroy the inverter.

CAUTION: The wire connects between battery and inverter should

be shorter than 3m, the current density should be less than 5A/mm2while

the output of the inverter is fully loaded. If the wire is longer than 3m, the

current density should be reduced.

CAUTION: A fuse or breaker should be used between battery and

inverter; the value of fuse or breaker should be twice of the inverter rated

input current.

CAUTION: DO NOT put the inverter close to the flooded lead-acid

battery because the sparkle in the terminals may ignite the hydrogen

released by the battery.

WARNING: The output is forbidden to connect other power sources

or utility, otherwise the inverter will be damaged. The inverter must be in

off, when connecting load.

WARNING：Do not directly connect the battery charger or similar

devices to the input terminal of inverter.

7.Safety cautions for inverter operation

WARNING HOT SURFACE: Do not touch it when the inverter is

working, its surface may become very hot. Keep away from the material

or device which may suffer from high temperature.

CAUTION: Do not open the inverter to operate when it is working.

WARNING: The AC output with high voltage during the inverter

operation, so do NOT touch the connection point, it may cause danger.

8.The dangerous operations which would cause electric arc, fire or

explosion

Touch the wire end which hasn’t been insulation treatedmay cause

electriferous.

Touch the wiring copper row, terminals or internal devices which may

causeelectriferous.

Power cable connection is loose.

Screw or other spare parts inadvertently falls into the inverter.

Incorrect operation by untrained non-professional or technical personnel.

WARNING:Once an accident occurs, must be handled by

professional and technical personnel. Any incorrect operation would

cause a more serious accident.

9. Safety cautions for stopping the inverter

After the inverter stop working for ten minutes, the internal conductive

devices could be touched.

The inverter can be restarted after removing the faults, which may affect

its safety performance.

No maintenance parts in the inverter, if any maintenance service is

required, please contact our after-sales service personnel.

WARNING：Do NOT touch or open the case after the device

powered off within ten mins.

10. Safety cautions for inverter maintenance

Testing equipment is recommended to check the inverter without voltage

or current;

When conducting electrical connection and maintenance work, must post

temporary warning sign or put up barriers, to prevent unrelated personnel

from entering the electrical connection or maintenance area.

Improper maintenance operation to the inverter may cause personal

injury or equipment damage.

To prevent electrostatic damage, recommend to ware antistatic wrist

strap or avoid unnecessary contact with the circuit board.

1. Overview

NPower series is a kind of pure sine wave inverter which can convert

12/24/48VDC to 220/230Vac.It is based on full digital and intelligent design, it

adopts the advanced SPWM technology, voltage and current double

closed-loop controlled and completely isolated inverter technology, such as to

ensure the product with high quality electrical parameters, the stronger ability

to resist impact load, the input surge prevention design at the same time.meet

the special requirements of lithium battery surge limit, to ensure the safety and

function of the inverter running and reliable.

The case is designed with galvanized board,which has the advantages of high

strength and corrosion resistance.

This product has the characteristics of high reliability, high efficiency, simple

appearance, complete protection function, easy installation and easy operation.

It is suitable for AC load of household appliances,power tools, industrial

equipment, electronic audio and video and solar photovoltaic power generation

system, such as vehicle inverter application system, solar RV, solar household,

solar yacht and solar power station.

Features：

Adoption of advanced SPWM technology, pure sine wave output

Adopt voltage and current double closed-loop control to enhance the load

capacity

The input and output adopt completely isolated inverter technology with

high reliability

The input adopts anti-surge design to meet the special requirements of

surge limitation of the lithium battery and avoid dangerous surge current

generated by connection of startup.

Low output harmonic distortion(THD≤3%)

The AC output adopts excellent EMC design to prevent interference of

connected equipment

Output voltage 220/230VAC and frequency 50/60Hz optional

Extensive protections: input reverse polarity, input overvoltage, input low

voltage, output overload and short circuit, overheating.

OperRS485 port can connect the communication module, realize remote

start/stop inverter and monitor the running status via the APP or PC

software.

Set the input low voltage and low voltage reconnect voltage via the APP or

PC software

Set the inverter’s ID via the APP or PC software to monitor several

inverters.

The case is designed with the galvanized board, with high strength and

strong corrosion resistance

Chinese dual socket, Australia/New Zealand, European, Universal，

Terminal selectable

The remote meter is selectable

Easy maintenance and repair

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