Powfuture Venus 3000TL User manual

Index
1. Notes on this manual.............................................................2
1.1 Scope of Validation ............................................................. 2
1.2 Symbols Used .....................................................................2
1.3 Technical Competence ........................................................3
1.4 Target Group.......................................................................4
2. Preparation ...........................................................................5
2.1 Safety Instructions ............................................................. 5
2.2 EC Directives.......................................................................7
2.3 Use condition...................................................................... 8
2.4 Selection of fuse and cables................................................9
2.5 Capacitor discharge .......................................................... 10
2.6 PE connection and leakage current...................................11
2.7 Safety Check.....................................................................12
2.8 Explanations of Symbols on Inverter ................................ 13
3. Product Information............................................................ 16
3.1 Overview .......................................................................... 16
3.2 Major Characteristics........................................................16
3.3 Product Identification....................................................... 17
3.4 Quality Certificate Card.....................................................18
3.5 Further Information..........................................................18
3.6 Mounting Sequence........................................................... 20
4. Electrical Connection ........................................................... 20
4.1 Safety ...............................................................................20
4.2 Selection of fuse and cables.............................................. 22
4.3 Overview of Connection Area............................................ 23
5. Display ................................................................................ 24
5.1 LCD Display....................................................................... 24
5.2 Error Message...................................................................32
5.3 Troubleshooting................................................................ 33
6. Recycling and Disposal........................................................ 37
7. Maintenance........................................................................ 37
7.1 Cleaning the Cabinet......................................................... 37
7.2 Cleaning the Heat Sink...................................................... 37
8. Guaranty Scope and Guaranty Service.................................39
8.1 POWFUTURE Factory Guaranty Scope ...............................39
8.2 Guaranty Conditions ......................................................... 39
8.3 Guaranty Exclusion...........................................................40
9. Accessories.......................................................................... 41
10. Contact................................................................................ 42
11. Abbreviation........................................................................43

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1.NOTES ON THIS MANUAL
1.1 Scope of Validation
The main purpose of this User’s Manual is to provide instructions and
detailed procedures for installing, operating, maintaining, and
troubleshooting of the following Powfuture Grid-Connected Solar
Inverters:
Venus – 3000TL
Venus – 4000TL
Venus – 3600TL for G83
Venus – 5000TL
This manual is an integral part of the unit. Please read the instruction
manual carefully before installation, operation or maintenance. Keep
this instruction manual for future reference.
All the illustrated pictures in this Manual concerning POWFUTURE
Grid-Connected Solar Inverters derive from the simulated model of
Venus – 5000TL.
Considering that dimensions and parameters of products have varied,
please take the latest document as standard. Further notification will
not be issued.
User can get the latest user manual from here:
http://www.power-future.com/services.asp?sort=Download
1.2 Symbols Used
DANGER
DANGER:indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING:
indicates a hazardous situation which, if
not avoided, can result in serious injury or moderate
injury.
WARNING

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Danger, Warnings, cautions and Notice tell you about the
dangerous conditions that can occur if you do not follow all instructions
in this manual. Read and follow all warnings and cautions carefully.
1.3 Technical Competence
The procedures described in this manual should be performed by
trained and authorized personnel only.
Maintenance should only be undertaken by competent individuals who
have a general knowledge of and experience with devices of this
nature. No repairs should ever be undertaken or attempted by any one
not having such qualifications.
Compliance with safety regulations depends upon installing and
configuring system correctly, including using the specified wirings. The
system must be installed only by professional assemblers who are
familiar with requirements for safety, refrigeration system and EMC.
The assembler is responsible for ensuring that the end system
complies with all the relevant laws in the country where it is to be used.
POWFUTURE require using only genuine replacement parts,
manufactured or sold by POWFUTURE for all repair parts
replacements.
Read completely through each step in every procedure before starting
the procedure; any exceptions may result in a failure to properly and
safely complete the attempted procedure.
The individual sub-assembly of the system shall be interconnected by
means of the wiring methods outlined in national/international
regulations such as the National Electric Code (NFPA) No. 70. or VDE
regulation 0107.
CAUTION
CAUTION:indicates a hazardous condition which, if
not avoided, can result in moderate or minor injury.
NOTICE
NOTICE: indicates a situation that can result in
property damage, if not avoided.

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Servicing of this product in accordance with this manual should never
be undertaken in the absence of proper tools, test equipment and the
most recent revision to this manual which is clearly and thoroughly
understood.
1.4 Target Group
Manuals are prepared for anyone who is intended to use POWFUTURE
Grid-Connected Solar Inverter. Before any further action, the
operators must first read all safety regulations and be aware of the
potential danger to operate high-voltage devices. Operators must also
have a complete understanding of this device’s features and functions.
All installation, commissioning, maintenance, repair and recycling of
POWFUTURE Grid-Connected Solar Inverter must be done only by
qualified personnel.
”Installation Guide” are only for qualified personnel who are intended
to install or uninstall the POWFUTURE Grid-Connected Solar Inverter.
All installation, commissioning, maintenance, repair and recycling of
Powfuture Grid-Connected Solar Inverter must be done only by
qualified personnel.
NOTICE
Hereby qualified personnel means he/she has the
professional training, knowledge, and experience in:
Installing electrical equipment and PV power systems
(up to 1000 V).
Applying all applicable installation codes.

Analyzing and reducing the hazards involved in
performing electrical work.
Selecting and using Personal Protective Equipment
(PPE).
WARNING
Do not use this product unless it has been successfully
installed by qualified personnel in accordance with the
instructions ”Installation Guide”.

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2.PREPARATION
2.1 Safety Instructions
This chapter contains the safety instructions which you must follow
when installing, operating and servicing the unit. If ignored, physical
injury or death may follow, or damage may occur to the unit. Read the
safety instructions before you work on the unit. If you are unable to
understand the Dangers, Warnings, Cautions or Instructions, contact
the manufacturer or an authorized service dealer before installing,
operating and servicing the unit.
DANGER
DANGER due to electric shock and high voltage
DO NOT touch the operating
component of the
inverter, it might result in burning or death.
TO prevent risk of electric shock during installation and
maintenance please make sure that all AC and DC
terminals are plugged out.
DO NOT touch the surface of the inverter while the
housing is wet, it might lead to electric shock.
DO NOT stay closely to the instruments while there is
severe weather conditions including storm, lighting,
and etc.
CAUTION
The PV inverter will become hot during operation please don’t
touch the heat sink or peripheral surface during or shortly after
operation.
Risks of damage due to improper modifications.
Never modify the inverter or other components of the system.

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WARNINGS - Do not operate device which is damaged,
lacking parts or dented. Failure to observe this warning may
result in an electric shock, injury, fire or accident.
WARNINGS - The grid connected inverter is intended to be
used with appropriate PV generator, switchgear, SPDs,
distribution board, electrical protection components and other
device to form complete end systems. Compliance with safety
regulations depends upon installing and configuring inverter
correctly, including using the specified emergency stop device
adjacent to solar inverter. The unit must be installed only by
professional assemblers who are familiar with requirements for
safety and EMC. The assembler is responsible for ensuring that
the end product or system complies with all the relevant laws in
the country where it is to be used.
WARNINGS - RS485 and USB interface is classed to be as
SELV, Only PELV or SELV voltages may be connected at these
port.
WARNING
The installation, service, recycling and disposal of the
inverters must be performed by qualified personnel
only in compliance with national and local standards
and regulations. Please contact your dealer to get the
information of authorized repair facility for any
maintenance or repairmen.
Any unauthorized actions including modification of
product functionality of any form will affect the
validation of warranty service; Powfuture may deny
the obligation of warranty service accordingly.
PV generator must never be grounded.
The unit is heavy. Do not lift it alone.
Do not open cover. No user serviceable parts inside.
Servicing limited to qualified service personnel.

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2.2 EC Directives
This chapter follows the requirements of the European Low Voltage
Directives, contains the safety instructions and conditions of
acceptability for the end-use system, which you must follow when
installing, operating and servicing the unit. If ignored, physical injury
or death may follow, or damage may occur to the unit. Read this
instructions before you work on the unit. If you are unable to
understand the Dangers, Warnings, Cautions or Instructions, contact
the manufacturer or an authorized service dealer before installing,
operating and servicing the unit.
The Grid Connected Inverter meets the requirements stipulated in Low
Voltage Directive (LVD) 2006/95/EC and Electromagnetic
Compatibility (EMC) Directive 2004/108/EC. The unit is tested based
on:
NOTICE
Public utility only
The PV inverter designed to feed AC power directly to
the public utility power grid; do not connect AC output
of the device to any private AC equipment. Before the
inverter is connected to the grid, official written
approval from the local bureau of power should be
obtained.
CAUTION
The PV inverter will become hot during operation
please don’t touch the heat sink or peripheral surface
during or shortly after operation.
Risk of damage is due to improper modifications.
Never modify the inverter or other components of the
system.

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EN 62109-1:2010;
FprEN 62109-2:2009;
VDE 0126-1-1:2006+A1:2011.
In case of installation in PV system, startup of the unit (i.e. start of
designated operation) is prohibited until it is determined that the full
system meets the requirements stipulated in the EC Directive
(2006/95/EC, 2004/108/EC etc.).
The grid-connected inverter leaves the factory completely connecting
device and ready for connection to the mains and PV supply. The unit
shall be installed in accordance with national wiring regulations.
Compliance with safety regulations depends upon installing and
configuring system correctly, including using the specified wirings. The
system must be installed only by professional assemblers who are
familiar with requirements for safety and EMC. The assembler is
responsible for ensuring that the end system complies with all the
relevant laws in the country where it is to be used.
The individual subassembly of the system shall be interconnected by
means of the wiring methods outlined in national/international
regulations such as the National Electric Code (NFPA) No. 70. or VDE
regulation 0107.
2.3 Use condition
1. Overvoltage category: Overvoltage category III for MAINS
connection, overvoltage category II for PV supplies according to
EN /IEC 60664-1.
2. Pollution degree: Pollution degree III, not intended for
heavy pollution of the air by dust, smoke, corrosive or
radioactive particles, vapors or salt.
3. Class of protection: I.
4. Protection against ingress of water: IP65, WARNINGS -
The Degree of protection rating IP54 to IEC 60529 is applicable
to the device when the supplied cable grommets are fitted into
the gland, suitable external cord was fitted and communication
port was covered. If the unit is not mounted in this way,
hazardous live parts may be exposed and the IP Rating of the
unit will be invalid

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5. The equipment is rated to operate at an altitude less than
2000 m.
6. Installation:
Equipment is not suitable for use in the presence of explosion
gas. Equipment is not suitable for use in the presence of
explosion and flammable gas.
Not suitable for use in the presence of Exposure to strong
electric or magnetic fields.
Not suitable for use in the presence of Exposure to heavy
vibration and shocks.
Not suitable for use by untrained personnel.
7. The unit is suitable for connection to a MAINS circuit capable
of delivering not more than 1000rms symmetrical Amperes.
The absolute maximum total PV array short circuit current (d.c.)
that the inverter is rated to have connected to its PV input,
under worst-case conditions of ambient temperature,
irradiance, shall be less than 25A for Venus -3000TL, 30A for
Venus -3600TL & Venus -4000TL and 32A for Venus -5000TL.
8. PV modules for non-isolated inverters: PV modules shall
have an IEC 61730 Class A rating; PV modules must have a
maximum system voltage rating based upon the AC mains
voltage.
2.4 Selection of fuse and cables
Mains cable (AC line cable) shall be short circuit protected and
thermal overload protected.
Always fit the input cable with fuses. Normal gG (US: CC or T) fuses
will protect the input cable in shortcircuit situations. They will also
prevent damage to adjoining equipment.
Dimension the fuses according to local safety regulations, appropriate
input voltage and the rated current of the solar inverter.
AC output protected by external fuse (gG, rated current 25 A/ 250 VAC,
for Venus-3000TL; 30A/ 250 VAC for Venus-3600TL; 30A/ 250 VAC for
Venus-4000TL; and 32A/250V for Venus-5000TL;) provided in all live
connections to the AC supply.
The rated short circuit breaking capacity of the above protective device

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shall be at least equal to the prospective fault current at the point of
installation. See section technical data of this manual for details.
L,N+PE, 2x4+4 mm² @400C ambient (Venus-3000TL) with a max
length of 5m; Cu, L,N+PE, 2x4,0+4,0mm²@400C ambient
(Venus-3600TL&Venus-4000TL) with a max length of 10m, and Cu,
L,N+PE, 2x4+4 mm²@400C ambient (Venus-5000TL) with a max
length of 5m, with operating time of the fuse is less than 5 seconds,
installation method B2 according to EN 60204-1: 2006, annex D: cable
in conduit cable trunking system, number of loaded circuit only one.
Use H07RNF (cord designation 60245 IEC 66) for an ambient
temperature of 40 °C or less and use 90 °C wire for ambient
temperature between 40 °C and 60 °C.
Note 1: For conditions differing from those mentioned above,
dimension the cables according to local safety regulations, appropriate
input voltage and the load current of the unit. (You can choose a
thicker cable but the fuses must be rated according to the table.)
Note 2: Fuses must be approved by notified body.
Inverter is not provided galvanic isolation from the MAINS to the PV
array, feedback current to the array is 16 A for Venus-3000TL; 18A for
Venus-3600TL; 20A for Venus-4000TL; and 25A for Venus-5000TL
based on fuse provided in the MAINS. Also, in the worst case, the
reverse current comprises the sum of the short-circuit currents of all
intact lines, therefore, the current-carrying capacity of the
components and sub-assemblies provided in the end-use system
(connectors, cables, junction box, switchgear, etc.) and the reverse
current PV module shall be considered based on feedback current and
reverse current. The direct current (DC) circuit breaker or fuse
between each solar generator and inverter shall be provided based on
solar inverter input ratings.
Select DC cables based on the above inverter feedback current and Isc
PV rating and Vmax ratings.
2.5 Capacitor discharge
The unit contains capacitors that remain charged to a
potentially lethal voltage after the MAINS and PV supply has
been disconnected.
RISK OF ELECTRIC SHCOK!
Hazardous voltage present for up to 40 minutes after disconnection

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from power supply.
CAUTION – Risk of electric shock from energy stored in
capacitor, never work on the solar inverter couplers, the MAINS
cable, PV cables or the PV generator when power is applied.
After switching off the PV power and mains, always wait for 15
min to let the intermediate circuit capacitors discharge before
you unplug DC input and MAINS couplers, when access to
internal circuit of solar inverter, It is very important to wait 40
minutes before working on power circuit or demounting the
electrolyte capacitors inside the device. Do not open the device
before hand since the capacitors require this long to discharge
sufficiently!
Measure the voltage between terminals UDC+ and UDC with a
multimeter (impedance at least 1 Mohm) to ensure that the device is
discharged before beginning work (35VDC) inside the device.
This waiting period can be reduced by shorting the input terminals with
a 10 Ohm/10 W resistor.
If the device is failed to discharge, do not use, call manufacturer.
Only trained and authorized professional personnel were allowed to
perform, installation, servicing and maintenance works.
The unit stop function does not remove dangerous voltages from the
unit, cut off the MIANS and PV input supply to the end use equipment
incorporating the unit.
The capacitors may fail to discharge, or be prevented from being
discharged by a voltage applied to the output terminals. If the unit has
failed in a manner that causes the display to go blank immediately, it is
possible the capacitors will not be discharged. In this case, consult
POWFUTURE or their authorized distributor.
WARNING! Do not work on the solar inverter when the device
is running.
Never touch either the positive or negative pole of PV
connecting device. And never ever touch both at the same
time!
2.6 PE connection and leakage current
The end-use application shall monitoring of the protective
conductor by a residual current operated protective device

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(RCD) with rated fault current Ifn ≤30mA which automatically
disconnects the device in the case of a fault.
DC differential currents are created (caused by the insulation
resistance and through capacities of the PV generator). In order to
prevent unwanted triggering during operation, the rated residual
current of the RCD has to be min. 30mA。
The device is intended to connect to a PV generator with a capacitance
limit of approx. 300 nF
HIGH LEAKAGE CURRENT! EARTH CONNECTION ESSENTIAL
BEFORE CONNECTING SUPPLY.
Incorrect grounding can cause physical injury, death or
equipment malfunction and increase electromagnetic interference.
Make sure that grounding conductors are adequately sized as required
by safety regulations.
Do not connect the ground terminals of the unit in series in case of a
multiple installation.
This product can cause current with a d.c. component. Where a
residual current to operated protective (RCD) or monitoring (RCM)
device is used for protection in case of direct or indirect contact, only
an RCD or RCM of Type B is allowed on the supply side of this product.
2.7 Safety Check
The following safety checks should be performed at least every 12
months by manufacturer’s qualified person who has adequate training,
knowledge, and practical experience to perform these tests. The data
should be recorded in an equipment log. If the device is not functioning
properly or fails any of tests, the device has to be repaired.
1. Inspect the equipment and accessories for mechanical and
functional damage.
2. Inspect the safety relevant labels for legibility.
3. Inspect the fuse to verify compliance with rated current and
breaking characteristics.
4. Verify that the device functions properly as described in the
instructions for use.
5. Verify that the current/voltage sensors functions properly.

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6. Verify software or firmware that performs safety critical application
functions properly.
7. Check earth connection, retightening of terminals.
8. Check interface protection and inverter setpoints functions
properly. Refer to section” Interface protection and Inverter set
points;
9. Measurement of insulation resistance, consult manufacturer.
10.Measurement of earth resistance, consult manufacturer.
11.Mounting structures: Verify tightness and integrity of bolts and
other fastening devices; Verify if there is significant corrosion.
12.Using manufacturer’s procedures and/or technical data on an
“as-needed” basis when performing periodic component
calibrations.
2.8 Explanations of Symbols on Inverter
Symbols, replace words on the equipment, on a display, or in manuals.
Symbol
Description
Dangerous electrical voltage
This device is directly connected to public grid, thus all work to the
inverter shall only be carried out by qualified personnel.
30 minutes
DANGER to life due to high electrical voltage!
There might be residual currents in inverter because of large
capacitors. Wait 30 MINUTES before you remove the front lid.
NOTICE, danger!
This device directly connected with electricity generators and
public grid.
Danger of hot surface
The components inside the inverter will release a log of heat
during operation, DO NOT touch aluminum housing during
operating.
An error has occurred
Please go to Chapter 9 “Trouble Shooting” to remedy the error.

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This device SHALL NOT be disposed of in residential
waste
Please go to Chapter 8 “Recycling and Disposal” for proper
treatments.
Without Transformer
This inverter does not use transformer for the isolation function.
CE Mark
CE mark is attached to the solar inverter to verify that the unit
follows the provisions of the European Low Voltage and EMC
Directives Equipment with the CE mark fulfils the basic
requirements of the Guideline Governing Low Voltage and
Electro-magnetic Compatibility.
No unauthorized perforations or modifications
Any unauthorized perforations or modifications are strictly
forbidden, if any defect or damage (device/person) is occurred,
POWFUTURE shall not take any responsibility for it.
Trademark
No access for unauthorized personal
Symbol for the marking of electrical and electronics devices
according to Directive 2002/96/EC. Indicates that the device,
accessories and the packaging must not be disposed as unsorted
municipal waste and must be collected separately at the end of
the usage Please follow Local Ordinances or Regulations for
disposal or contact an authorized representative of the
manufacturer for information concerning the decommissioning of
equipment.
Direct current
Alternating current
Protective conductor

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Earth (ground) TERMINAL
PROTECTIVE CONDUCTOR TERMINAL
Isc PV
Absolute maximum total PV array short circuit current (d.c.) that
the inverter is rated to have connected to its PV input, under
worst-case conditions of ambient temperature, irradiance,etc.
This rating of the PCE refers to the absolute maximum current the
PV input to the solar inverter is designed for under conditions of
expected use. This differs from the simple sum of the marked Isc
ratings of the connected PV modules, since thos
e markings are
based on shortcircuit conditions under standard test conditions,
and may be exceeded in cold temperatures or with irradiance
above the standard level.
OVC
overvoltage category (OVC), numeral designation defining a
classification of transient overvoltage conditions
Vmax PV
maximum rated d.c. input voltage the PCE is designed to
withstand from the PV array (i.e. maximum opencircuit voltage)
under worst case conditions of ambient temperature, irradiance,
etc.
PV
Photovoltaic
+
DC terminal, indicating the polarity of the connections, positive，
all positive connections shall be made with Red
Insulated wire.
-
DC terminal, indicating the polarity of the connections, negative,
all negative connections with Black insulated wires.
PCS
Power conversion equipment, hereby is our DC/AC inverter.
service
personnel
a person having appropriate technical training and experience
necessary to be aware of hazards to which that person may be
exposed in performing a task and of measures to minimize the
risks to that person or other persons.

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3.PRODUCT INFORMATION
3.1 Overview
Industrial Layout Reduced Heat Sink
3.2 Major Characteristics
Powfuture Grid-Connected solar inverter has following characteristics
which make POWFUTURE inverter “High Efficiency, High Reliability,
High price-to–performance ratio”.
Higher DC input voltage, can be connected with more PV panels.
Wider MPPT voltage range can fit in different locations or various
weather conditions.
Qualified
personnel
Person adequately advised or supervised by an electrically skilled
person to enable him or her to perceive risks and to avoid hazards
which electricity can create. For the purpose of the safety
informat
ion of this manual, a "qualified person" is someone who is
familiar with requirements for safety, refrigeration system and
EMC and is authorized to energize, ground, and tag equipment,
systems, and circuits in accordance with established safety
procedures.
The inverter and end use system may only be commissioned and
operated by qualified personnel.

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Higher MPP tracking accuracy, catch most of electricity from panels
and reduces your Payback Period.
Complete protection integrated within the inverter.
Also, following protection methods are integrated in inverter:
Internal over voltage
DC insulation monitoring
Ground fault protection
Grid monitoring
Ground fault current monitoring
DC current Injection monitoring
3.3 Product Identification
You can identify the inverter by the side type label. Information such
as serial number (SN.), type of the inverter, as well as inverter
specifications are specified on the side type label. The type label is on
the middle part of the right side of the inverter housing.
(Side type label example as on Venus 5000TL)

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3.4 Quality Certificate Card
When the single product passed a series of automation performance
and safety tests, a quality certificate card, which represents the
outcome of internal inspection, will be issued by POWFUTURE’s quality
assurance department rather than by the third party (authoritative
laboratory or testing institute). With this card we want to convince our
clients that POWFUTURE puts a new premium on the quality of
products.
3.5 Further Information
If you have any further questions concerning the type of accessories or
installation, please check our website www.Power-future.com or contact
our service hotline [phone].
WARNINGS: In case of installation in PV system, startup of the unit
(i.e. start of designated operation) is prohibited until it is determined
that the full system meets the requirements stipulated in the EC
Directive (2006/95/EC, 2004/108/EC etc.).
The grid-Connected Inverter leaves the factory completely connecting
device and ready for connection to the mains and PV supply. The unit
shall be installed in accordance with national wiring regulations.
Compliance with safety regulations depends upon installing and
configuring system correctly, including using the specified wirings. The
system must be installed only by professional assemblers who are
familiar with requirements for safety and EMC. The assembler is

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responsible for ensuring that the end system complies with all the
relevant laws in the country where it is to be used.
The individual subassembly of the system shall be interconnected by
means of the wiring methods outlined in national/international
regulations such as the National Electric Code (NFPA) No. 70. or VDE
regulation 0107.
To ensure the safe operation of the devices, they may be installed and
commissioned only by qualified personnel in full compliance with the
warnings referred to in this manual.
Open the package and pick the product, check that if there is any
distortion or impaired during transportation, meanwhile, check that if
all the relating accessories and materials are here, you can see the
accessories list in the “Appendix”.
The instruction manual is an integral part of the unit and should
therefore be read and kept carefully.
It is recommended that the packaging should not be removed until
the unit is located in the installation site.
Do not dispose of packaging materials in the environment or leave
them within reach of children as they may represent a hazard.
Check that there are no signs of damage. Before attempting
installation and operation, check the information on the type
designation label of the unit to verify that the unit is of the correct type.
The label includes an IEC rating and CE markings, a type code and a
serial number, which allow individual recognition of each unit.
Check the mechanical and electrical installation of the unit before
startup. Go through the checklist below together with another person.
Read the sections “Safety instruction and EC Directives” and “Interface
protection and Inverter setpoints’ on the previous pages of this manual
before you work on the unit.
During lifting procedures ensure the unit is firmly secured to avoid the
risk of accidental tipping or dropping.
Use a solid hard wall or metal structure.
Before installing the unit, agree with the customer the site.
Do not allow foreign object into the unit.
Not intended for multiple installation.
The rating plate and warning marking must be readable after
installation.