Epever IPT Series User manual

1
IPT350, IPT500
IPT1000, IPT1500
IPT2000, IPT3000
IPT4000, IPT5000
Pure sine wave inverter
USER MANUAL

Contents
Important Safety Instructions 1
1 Overview 5
2 Appearance 6
3 Naming rule 10
4 Connection diagram 12
5 Installation 13
5.1 Attentions 13
5.2 Wire size and circuit breaker 13
5.3 Mounting 15
6 Parameters setting 21
6.1 Power Saving Mode 21
6.2 Other parameters 22
7 Protections 25
8 Troubleshooting 28
9 Maintenance 29
10 Specifications 30
Appendix 1 Disclaimers 40

1
Important Safety Instructions
Please reserve this manual for future review.
This manual contains instructions on the safety, installation, and operation of the IPT series
high-frequency pure sine wave inverter ("inverter" as referred to in this manual).
1. Explanation of symbols
Please read related literature accompanying the following symbols to enable users to use the product
efficiently and ensure personal and property safety.
Please read the literature accompanying the following symbols.
Symbols
Definition
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, it may cause the device to be
damaged.
WARNING: Indicates the danger of electric shock. If not avoided, it 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.
WARNING
The entire system should be installed by professional and technical personnel.
2. Requirements for professional and technical personnel
Professionally trained；
Familiar with related safety specifications for the electrical system;
Read this manual carefully and master related safety cautions.
3. Professional and technical personnel is allowed to do
Install the inverter to a specified location.

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Conduct trial operations for the inverter.
Operate and maintain the inverter.
4. Safety cautions before installation
IMPORTANT
When you receive the inverter, check whether there is any damage in
transportation. Contact the transportation company, our local distributor, or our
company for any problem.
CAUTION
When placing or moving the inverter, follow the instructions in the manual.
When installing the inverter, evaluate whether the operation area exists arc
danger.
The inverter needs to be connected to a battery. The battery's minimum
capacity (Ah) is recommended to be five times the current that equals the
inverter's rated output power divided by the battery's voltage.
WARNING
Keep the inverter out of the reach of children.
This inverter is an off-grid type. It is strictly prohibited to connect the inverter to
the grid. Otherwise, the inverter will be damaged.
This inverter is only allowed for stand-alone operation. It is prohibited to
connect multiple units in parallel or series. Otherwise, the inverter will be
damaged.
5. Safety cautions for mechanical installation
WARNING
Before installation, ensure the inverter has no electrical connection.
Confirm enough heat dissipation space for the inverter before installation. Do not
install the inverter in a harsh environment such as humid, salt spray, corrosion,
greasy, flammable, explosive, or dust accumulation.
6. Safety cautions for electrical connection
CAUTION
Check whether wiring connections are tight to avoid the danger of heat
accumulation due to loose connections.
The protective grounding is connected to the ground. The cross-section of the
wire should not be less than 4mm2.
The DC input voltage must strictly follow the parameter table. Too high or too low
DC input voltage will affect the inverter's normal operation and damage it.

3
It is recommended that the connection length between the battery and the
inverter be less than 3 meters. If greater than 3 meters, please reduce the current
density of the connection wire.
A fuse or breaker should be used between battery and Inverter; the fuse or
breaker's rated current should be twice the inverter rated input current.
DO NOT install the inverter close to the flooded lead-acid battery because the
terminals' sparkle may ignite the hydrogen released by the battery.
WARNING
The AC output terminal is only for the load connection. Do NOT connect it to
another power source or utility. Otherwise, the inverter will be damaged. Turn off
the inverter when connecting loads.
It is strictly forbidden to connect a transformer or a load with a surge power (VA)
exceeding the overload power at the AC output port. Otherwise, the damage will
be caused to the inverter.
Do not connect battery chargers or other similar products to the input terminal of
the inverter. Otherwise, the inverter will be damaged.
7. Safety cautions for controller operation
WARNING
HOT
SURFACE
When the inverter is working, the cover temperature is very high because of the
accumulated heat; please do not touch it.
CAUTION
When the inverter is running, please do not open the cabinet.
WARNING
The inverter's AC output is of high voltage, do not touch the wiring connection to
avoid electric shock.
8. Dangerous operations which would cause an electric arc, fire, or explosion
Touch the wire end that hasn't been insulation treated and may be electriferous.
Touch the wiring copper row, terminals, or internal inverter modules that may be electriferous.
The connection of the power cable is loose.
Screw or other spare parts inadvertently falls into the inverter.
Improper operations by untrained non-professional or technical personnel.

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WARNING
Once an accident occurs, it must be handled by professional and technical
personnel. Improper operations would cause more serious accidents.
9. Safety cautions for stopping the inverter
The internal conductive modules could be touched after the inverter stopped running for five
minutes.
The inverter is allowed to restart after removing the faults, which affects the safety performance.
There are no serviceable parts inside. If any maintenance service is required, please contact our
local distributor or the service personnel.
WARNING
Do NOT touch or open the shell after the inverter is powered off within ten minutes.
10. Safety cautions for inverter maintenance
It is recommended to check the inverter with testing equipment to ensure no voltage and current.
When conducting electrical connection and maintenance, post a temporary warning sign or put up
barriers to prevent the unrelated personnel from entering the electrical connection or maintenance
area.
An improper operation of the inverter may cause personal injury or equipment damage.
It is recommended to wear an antistatic wrist strap or avoid unnecessary contact with the circuit
board.

5
1 Overview
The IPT series, a high-frequency sine wave inverter, adopts a fully digital intelligent design and
voltage-current dual closed-loop control algorithm. Featured with fast response, high conversion
efficiency, low Total Harmonic Distortion(THD), and high reliability running, the IPT series can be widely
used in the DC-AC off-grid systems (such as vehicle systems, security monitoring systems, emergency
lighting systems, household power systems, field power systems, and other systems requiring higher
power quality).
Features:
Pure sine wave output
Input to output electrical isolation
Output power factor up to 1
Input Protection: Low-voltage, Over-voltage
Output Protection: Overload, Short circuit, Overheating
RS485 com. port to realize remote monitoring①
External switch design, matched with EPEVER products, to expand inverter control function and
reduce power consumption
Diversified AC output sockets
EN/IEC62109-1/2, EN61000-6-2/4, and FCC approved
①For inverters with 12V/24V input voltage, the RS485/RJ11 port has NO communication
isolation design. This function (communication isolation design) is just for inverters with 48V
input voltage.

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2 Appearance
IPT350-xx
IPT500-xx
IPT1000-xx

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IPT1500-XX
IPT2000-XX
IPT3000-XX

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IPT4000-XX
IPT5000-42
CAUTION
The appearance varies with different product models; please refer to the actual
product appearance.
❶
DC input terminal positive
❻
RS485 communication port③
❷
DC input terminal negative
❼
Remote switch port (RJ11, Reserved)
❸
Cooling fan①
❽
External switch port (To connect an
external relay)
❹
Grounding terminal
❾
Indicator④
❺
AC output port②
❿
Inverter switch
⓫
Fuse terminal⑤
①Cooling fan
Conditions to start the cooling fan:

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The heat sink temperature is higher than 45℃or
The internal inverter temperature is higher than 45℃or
The output power is higher than 50% of the rated power
IPT full range
Conditions to stop the cooling fan:
The heat sink temperature is lower than 40℃and
The internal inverter temperature is lower than 40℃and
The output power is lower than 30% of the rated power
IPT500W and below
products
The heat sink temperature is lower than 40℃and
The internal inverter temperature is lower than 40℃and
The output power is lower than 40% of the rated power
IPT1000W and above
products
②The AC output port varies with different products. Please refer to chapter 3 Naming rule for the
specific supported types.
③The RS485 communication port can be connected to the remote meter, Bluetooth module, WIFI
module, PC, etc., for parameter setting and remote monitoring.
Indicators include the Power indicator and Fault indicator. The indicator and buzzer status
under different working conditions are shown in the table below.
Power indicator
Fault indicator
Buzzer
Status
Green ON
Red OFF
No beeps
Output voltage normal
Green slowly
flashing(1/4Hz)
Red OFF
Buzzer beeps.
Input under voltage
Green fast flashing
(1Hz)
Red OFF
Buzzer beeps.
Input over voltage
Green OFF
Red ON solid
Buzzer beeps.
Inverter over temperature
Heat sink over
temperature
Green OFF
Red fast flashing (1Hz)
Buzzer beeps.
Load short-circuit
Green ON
Red slowly
flashing(1/4Hz)
Buzzer beeps.
Overload
⑤The main purpose of the fuse terminal ⓫is to protect the AC socket. The load connected to
the product, equipped with a fuse terminal, cannot exceed the marked 10A or 20A.
Note: Not all the IPT products are equipped with the fuse terminal; the actual products prevail.

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3 Naming rule
1. Instructions for the anti-reverse and anti-surge current protection
Product type
Suffix
Definition
Standard
products
No
Without reverse polarity and anti-surge current protection
Customized
products
R
With reverse polarity protection, without anti-surge current protection
S
Without reverse polarity protection, with anti-surge current protection
RS
With reverse polarity and anti-surge current protection
2. Explanations for the AC output port
Suffix
Instruction
Figure
Suffix
Instruction
Figure
T
Terminal
---
C
Chinese
dual-socket
TC
Terminal + Chinese
E
European
socket
TE
Terminal +
European
A
Australia
socket
TA
Terminal + Australia
UK
United
Kingdom
socket
TUK
Terminal + United
Kingdom

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F
French
socket
TF
Terminal + French
N
American
Socket
(Applicable to
1500W and
below
products)
TN
Terminal +
American(Applicable
to 1500W and below
products)
American
socket
(Applicable to
2000W and
above
products)
Terminal +
American(Applicable
to 2000W and above
products)
GFCI
American
socket
(Ground Fault
Circuit
Interrupt)
TGFCI
Terminal + American
GFCI socket needs to be tested after power-on to ensure proper operation.
A. Preparation
Connect a circuit breaker and an AC load (it is recommended to use a night light to observe the status
conveniently) to the GFCI socket. Turn on the inverter after confirming the wiring.
B. Testing
1) If the red LED is ON solid, it indicates that the GFCI socket is damaged; please replace a new one.
2) If the LED is green ON after it flashes in red three times, connect the circuit breaker, and the night light
will be turned on. Then, press the "TEST" button to observe the testing status:
① The "TEST" button always pops up, and the night light keeps ON solid. It indicates that the GFCI
wiring is an error; please correct it.
② The "TEST" button goes down, while the "RESET" button pops up. The LED and the night light are
turned off, indicating the GFCI socket is normal (Note: Press the "RESET" button again to
recover the load output).
CAUTION
For detailed product model Vs. AC output port; please refer to the "IPT Model
List."

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4 Connection diagram
The DC input and AC sockets are located on different sides
The DC input and AC sockets are located on different sides, such as IPT350, IPT500, IPT1000, IPT1500,
IPT2000, and IPT3000-42. The following takes IPT2000-2x as an example to introduce the system
connection.
The DC input and AC sockets are located on the same side
The DC input and AC sockets are located on the same side, such as IPT3000-1x/2x, IPT3000-41,
IPT4000-4x, and IPT5000-42. The following takes IPT3000-1x as an example to introduce the system
connection.
CAUTION
It is recommended to directly connect the inverter DC input terminal to the battery
terminal. DO NOT connect it to the charge source terminal. Otherwise, the charging
voltage spikes of the charge source may cause over-voltage protection of the
inverter.

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5 Installation
5.1 Attentions
Read all the installation instructions carefully in the manual before installation.
Be very careful when installing the batteries. When installing the open-type lead-acid battery, please
wear eye protection and rinse with clean water for battery acid contact.
Keep the battery away from any metal objects, which may cause a short circuit of the battery.
Loose power connectors and corroded wires may result in high heat, melt wire insulation, burn
surrounding materials, or cause a fire. Ensure tight connections and secure cables with cable
clamps to prevent them from swaying in moving applications.
The DC input voltage must strictly follow the parameter table. Too high or too low DC input voltage
affects the normal operation and may damage the inverter. DC input 12V: Surge voltage < 20V. DC
input 24V: Surge voltage < 40V. DC input 48V: Surge voltage < 80V.
Select the system cables according to 3.5A/mm2or less current density.
Avoid direct sunlight and rain infiltration when installing it outdoor.
After turning off the power switch, do not open or touch the internal component immediately.
Performing related operations after 10 minutes is recommended.
Do not install the inverter in a harsh environment such as humid, salt spray, corrosion, greasy,
flammable, explosive, or dust accumulation.
The AC output is of high voltage, do not touch the wiring connection to avoid electric shock.
To prevent injury, do not touch the fan while it is working.
5.2 Wire size and circuit breaker
The wiring and installation methods conform to the national and local electrical code requirements.
Wire, terminals, and circuit breaker selection for battery
Model
Battery wire size
Ring
terminal
Circuit breaker
IPT350-11
6mm²/10AWG
RNB5.5-6
DC/2P-40A
IPT350-12
6mm²/10AWG
RNB5.5-6
DC/2P-40A
IPT350-21
2.5mm²/13AWG
RNB3.5-6
DC/2P-32A
IPT350-22
2.5mm²/13AWG
RNB3.5-6
DC/2P-32A
IPT500-11
10mm²/7AWG
RNB8-6S
DC/2P—63A
IPT500-12
10mm²/7AWG
RNB8-6S
DC/2P—63A

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IPT500-21
6mm²/10AWG
RNB5.5-6
DC/2P-32A
IPT500-22
6mm²/10AWG
RNB5.5-6
DC/2P-32A
IPT1000-11
25mm2/3AWG
RNB38-6
DC/2P—125A
IPT1000-12
25mm2/3AWG
RNB38-6
DC/2P—125A
IPT1000-21
16mm2/5AWG
RNB14-6S
DC/2P—63A
IPT1000-22
16mm2/5AWG
RNB14-6S
DC/2P—63A
IPT1500-11
25mm2/3AWG
RNB60-6
DC-100A(2P in parallel)
IPT1500-12
25mm2/3AWG
RNB60-6
DC-100A(2P in parallel)
IPT1500-21
16mm2/5AWG
RNB14-6S
DC/2P—125A
IPT1500-22
16mm2/5AWG
RNB14-6S
DC/2P—125A
IPT1500-41
10mm2/7AWG
RNB14-6S
DC/2P—63A
IPT1500-42
10mm2/7AWG
RNB14-6S
DC/2P—63A
IPT2000-11
35mm2/2AWG
RNB70-10
DC-125A(2P in parallel)
IPT2000-12
35mm2/2AWG
RNB70-10
DC-125A(2P in parallel)
IPT2000-21
35mm2/2AWG
RNB38-6
DC/2P—125A
IPT2000-22
35mm2/2AWG
RNB38-6
DC/2P—125A
IPT2000-41
16mm2/5AWG
RNB14-6S
DC/2P—63A
IPT2000-42
16mm2/5AWG
RNB14-6S
DC/2P—63A
IPT3000-11
25mm2/3AWG
RNB80-10
DC-125A(3P in parallel)
IPT3000-12
25mm2/3AWG
RNB80-10
DC-125A(3P in parallel)
IPT3000-21
25mm2/3AWG
RNB60-6
DC-100A(2P in parallel)
IPT3000-22
25mm2/3AWG
RNB60-6
DC-100A(2P in parallel)
IPT3000-41
25mm2/3AWG
RNB22-6S
DC/2P—125A
IPT3000-42
25mm2/3AWG
RNB22-6S
DC/2P—125A
IPT4000-41
35mm2/2AWG
RNB38-6
DC/2P—125A
IPT4000-42
35mm2/2AWG
RNB38-6
DC/2P—125A
IPT5000-42
25mm2/3AWG
RNB60-6
DC-100A(2P in parallel)
According to the recommended battery wire size, 2battery wires, connected in parallel, are necessary
for IPT1500-11, IPT1500-12, IPT2000-11, IPT2000-12, IPT3000-21, IPT3000-22, and IPT5000-42. 4
battery wires, connected in parallel, are necessary for IPT3000-11 and IPT3000-12.
CAUTION
The above wire size and circuit breaker size are for reference only; please choose a
suitable wire and circuit breaker according to the actual situation.
Wire and circuit breaker selection for AC output
Model
Wire size
Circuit breaker
IPT350-11
1mm²/18AWG
AC/2P—6A
IPT350-12
1mm²/18AWG
AC/2P—6A
IPT350-21
1mm²/18AWG
AC/2P—6A
IPT350-22
1mm²/18AWG
AC/2P—6A
IPT500-11
1mm²/18AWG
AC/2P—10A
IPT500-12
1mm²/18AWG
AC/2P—6A

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IPT500-21
1mm²/18AWG
AC/2P—10A
IPT500-22
1mm²/18AWG
AC/2P—6A
IPT1000-11
2.5mm²/13AWG
AC/2P—16A
IPT1000-12
1.5mm2/15AWG
AC/2P—10A
IPT1000-21
2.5mm²/13AWG
AC/2P—16A
IPT1000-22
1.5mm2/15AWG
AC/2P—10A
IPT1500-11
4mm2/11AWG
AC/2P—25A
IPT1500-12
1.5mm2/15AWG
AC/2P—10A
IPT1500-21
4mm2/11AWG
AC/2P—25A
IPT1500-22
1.5mm2/15AWG
AC/2P—10A
IPT1500-41
4mm2/11AWG
AC/2P—25A
IPT1500-42
1.5mm2/15AWG
AC/2P—10A
IPT2000-11
4mm2/11AWG
AC/2P—32A
IPT2000-12
2.5mm²/13AWG
AC/2P—16A
IPT2000-21
4mm2/11AWG
AC/2P—32A
IPT2000-22
2.5mm²/13AWG
AC/2P—16A
IPT2000-41
4mm2/11AWG
AC/2P—32A
IPT2000-42
2.5mm²/13AWG
AC/2P—16A
IPT3000-11
6mm2/10AWG
AC/2P—50A
IPT3000-12
4mm2/11AWG
AC/2P—25A
IPT3000-21
6mm2/10AWG
AC/2P—50A
IPT3000-22
4mm2/11AWG
AC/2P—25A
IPT3000-41
6mm2/10AWG
AC/2P—50A
IPT3000-42
4mm2/11AWG
AC/2P—25A
IPT4000-41
6mm2/10AWG
AC/2P—63A
IPT4000-42
4mm2/11AWG
AC/2P—32A
IPT5000-42
4mm2/11AWG
AC/2P—40A
CAUTION
The above wire size and circuit breaker size are for reference only; please choose
a suitable wire and circuit breaker according to the actual situation.
The wire size is only for reference. Suppose there is a long distance between the
inverter and the battery. In that case, larger wires shall be used to reduce the
voltage drop and improve the system performance.
The above wire size and circuit breaker size are for reference; please choose a
suitable wire and circuit breaker according to the actual situation.
5.3 Mounting
Installation procedures:
Step1: Professional personnel reads this manual carefully.

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Step 2: Determine the installation location and heat-dissipation space
The inverter shall be installed in a place with sufficient airflow through the dissipation pad of the inverter.
And a minimum clearance of 150mm from the upper and lower edges of the inverter is recommended to
ensure natural thermal convection. The following takes IPT3000-1x as an example.
CAUTION
It is not recommended to install the product in an enclosed cabinet, where the device
cooling will be influenced. If mounted in an enclosure cabinet, ensure effective
ventilation and not turn on all loads. Or else the device over temperature protection is
caused.
Step3: Wiring
CAUTION
Turn off the inverter switch before wiring.
Please do not connect the circuit breaker or fuse during the wiring and ensure that
the poles' leads are connected correctly.
The terminals and ports on the side vary from the product models.
Wiring sequence (The following wiring sequence is illustrated in the appearance"IPT3000-11", wiring
positions of other inverters. Please refer to chapter 2 Appearance for reference.)
1. Ground connection
The wire size for the ground connection must be thicker or equal to that for the AC output. Refer to
chapter 5.2 Wire size and circuit breaker for detailed wire size.

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2. Battery connection
CAUTION
A fuse must be installed on the battery side, conformed to the following requirements.
1. Fuse voltage is 1.5 to 2 times the inverter's rated voltage.
2. Fuse current is 2 to 2.5 times the inverter's rated current.
3. Distance between the fuse and the battery cannot be farther than 150mm.
3. AC loads connection
WARNING
The AC loads shall be determined by the continuous output power of the inverter.
The surge power of the AC load must be lower than the instantaneous surge
power of the inverter, or the inverter will be damaged.
The N pole of the AC output port cannot be grounded. If grounding the N pole is
necessary, please purchase the IPower-Plus-B series.
1) Definition of the AC output port (it varies with different product models; please refer to the actual
product.)
The AC output ports of IPT3000-11 include terminal and North American socket. The following takes
the AC terminal as an example.
.