ABB UNO-3.0-TL-OUTD, UNO-4.2-TL-OUTD-S, UNO-3.0-TL-OUTD-S, UNO-3.6-TL-OUTD-S, UNO-3.6-TL-OUTD Product Manual

...

ABB solar inverters

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Product Manual

UNO-2.0/3.0/3.6/4.2-TL-OUTD

(from 2.0 to 4.2 kW)

IMPORTANT SAFETY INSTRUCTIONS

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This manual contains important safety instructions that must be followed during the installation and maintenance of the equipment.

Operators are required to read this manual and scrupulously follow the instructions given in it, since ABB cannot be held responsible for damage caused to people and/or things, or the equipment, if the conditions described below are not observed.

000466AG

- 2 -

Product Manual

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UNO-2.0/3.0/3.6/4.2-TL-OUTD string inverters

1 - Introduction and general information

2 - Characteristics

3 - Safety and accident prevention

4 - Lifting and transport

5 - Installation

6 - Instruments

7 - Operation

8 - Maintenance

000466AG

UNO-2.0_3.0_3.6_4.2-TL-OUTD-Product manual EN-Rev A (M000027AG)

EFFECTIVE 12/10/2015

- 3 -

Introduction and general information

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Warranty and supply conditions

The warranty conditions are considered to be valid if the Customer adheres to the indications in this manual; any conditions deviating from those described herein must be expressly agreed in the purchase order.

ABB declares that the equipment complies with the provisions of law currently in force in the country of installation and has issued the corresponding declaration of conformity.

Not included in the supply

ABB accepts no liability for failure to comply with the instructions for correct installation and will not be held responsible for systems upstream or downstream of the equipment it has supplied.

It is absolutely forbidden to modify the equipment. Any modication, manipulation, or alteration

not expressly agreed with the manufacturer, concerning either hardware or software, shall result in the immediate cancellation of the warranty.

The Customer is fully liable for any modications made to the system.

Given the countless array of system congurations and installation

environments possible, it is essential to check the following: adequate spaces, suitable for housing the equipment; airborne noise produced based on the environment; possible ammability conditions.

ABB will NOT be held liable for defects or malfunctions arising from: improper use of the equipment; deterioration resulting from transportation or particular environmental conditions; performing maintenance incorrectly or not at all; tampering or unsafe repairs; use or installation by

unqualied persons.

ABB CANNOT be held responsible for disposal of: displays, cables, batteries, accumulators etc. The Customer shall therefore arrange for the disposal of substances potentially harmful to the environment in accordance with the legislation in force in the country of installation.

000002EG

- 4 -

1- Introduction and general information

Table of Contents

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Introduction and general information ...............................................................................................4

Warranty and supply conditions ...........................................................................................................4

Not included in the supply .......................................................................................................4

Table of Contents ....................................................................................................................................5

Reference number index Graphical representation of references

The document and intended audience .............................................................................................10

Purpose and structure of the document ...............................................................................10

List of annexes ...................................................................................................................10

Staff characteristics

Symbols and signs

Field of use, general conditions ........................................................................................................13

Intended or allowed use ........................................................................................................13

Limits in field of use ...............................................................................................................13

Improper or prohibited use

...............................................................................................................................11

Characteristics .................................................................................................................................14

General conditions ...............................................................................................................................14

Models and range of equipment .........................................................................................................15

Identification of the equipment and manufacturer ................................................................16

Characteristics and technical data .....................................................................................................18

Tightening torques ................................................................................................................22

Overall dimensions ...............................................................................................................22

Bracket dimensions ...............................................................................................................23

Efficiency curves ..................................................................................................................................24

Power limitation (Power Derating) ......................................................................................................26

Power reduction due to environmental conditions ................................................................26

Power reduction due to the input voltage .............................................................................27

Characteristics of a photovoltaic generator ......................................................................................28

Strings and Arrays .................................................................................................................28

Description of the equipment ..............................................................................................................29

Operating diagram ................................................................................................................29

Mutual connection of multiple inverters ................................................................................30

Notes on the system sizing ...................................................................................................30

Functionality and components of the equipment .................................................................31

Topographic diagram of the equipment UNO-2.0/3.0-TL-OUTD .........................................33

Topographic diagram of the equipment UNO-3.6/4.2-TL-OUTD

Safety devices

.......................................................................................................................................37

Anti-Islanding ........................................................................................................................37

Ground fault of the photovoltaic panels ................................................................................37

Other safety devices .............................................................................................................37

.......................................................................................................................8

...............................................................................................8

...............................................................................................................10

...................................................................................................13

.........................................35

Safety and accident prevention .....................................................................................................38

Safety instructions and general information ....................................................................................38

Hazardous areas and operations

Environmental conditions and risks ......................................................................................39

Signs and labels ....................................................................................................................39

Thermal and electrical hazard ..............................................................................................40

000467AG

Clothing and protection of personnel

.......................................................................................................39

....................................................................................40

- 5 -

1- Introduction and general information

Residual risks .......................................................................................................................................41

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Table: residual risks...............................................................................................................41

Lifting and transport ........................................................................................................................42

General conditions ..............................................................................................................................42

Transport and handling ........................................................................................................42

Lifting ....................................................................................................................................42

Unpacking and checking ......................................................................................................42

List of components supplied .................................................................................................43

Weight of the modules of the equipment ..............................................................................44

Installation .........................................................................................................................................45

General conditions ..............................................................................................................................45

Environmental checks ...........................................................................................................46

Installations above 2000 metres

Installation position ................................................................................................................47

Wall mounting .......................................................................................................................................48

Preliminary operations for connection of the PV generator ..... 49

Checking the correct polarity of the strings ..........................................................................49

Checking of leakage to ground of the photovoltaic generator ..............................................49

Selection of differential protection downstream of the inverter ............................................50

Input connection to PV generator (DC side) .....................................................................................51

Installation procedure for quick-fit connectors ......................................................................52

Distribution grid output connection (AC side) ..................................................................................56

Characteristics and sizing of the line cable ..........................................................................56

Load protection switch (AC disconnect switch) ....................................................................57

Installation of the cable on the AC output connector ............................................................57

Connection for the AC output connector to the inverter .......................................................59

Installation of the external protective grounding cable .........................................................60

Connection of the RS485 communication signals ...........................................................................61

Preparation of the RS485 cable ............................................................................................61

RS485 cable installation: ......................................................................................................62

Connection of the RS485 line to a monitoring system .......................................................................63

Connection of the control signals ......................................................................................................65

Remote control connection ...................................................................................................66

Connection enabling Stand-alone output .............................................................................66

Configurable Relay connection (ALARM) .............................................................................67

Connector for the installation of expansion boards (optional) .......................................................68

Closing the front cover ........................................................................................................................69

...........................................................................................46

Instruments ........................................................................................................................................70

General conditions ..............................................................................................................................70

Description of keyboard and LED Panel...............................................................................71

Operation ..........................................................................................................................................72

General conditions ...............................................................................................................................72

Monitoring and data transmission .....................................................................................................73

User interface mode ..............................................................................................................73

Types of data available .........................................................................................................73

Measurement tolerance

Commissioning

.....................................................................................................................................74

Firmware update ...................................................................................................................76

........................................................................................................73

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1- Introduction and general information

Display access and settings .................................................................................................77

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LED behaviour ......................................................................................................................................78

Specifications on operation of the LEDs ...............................................................................79

LED insulation fault ...............................................................................................................79

Description of the menus ....................................................................................................................80

General information ..............................................................................................................80

Menu structure ......................................................................................................................81

System Menu ........................................................................................................................82

Inverter Menu ........................................................................................................................85

Display Menu ........................................................................................................................98

WIFI Logger Menu

AUTOTEST procedure in accordance with standard CEI 0-21 ......................................................102

Running the tests from the display menu ...........................................................................102

..............................................................................................................100

Maintenance ...................................................................................................................................104

General conditions ............................................................................................................................104

Routine maintenance Troubleshooting

Alarm Messages .................................................................................................................105

Power limitation messages .................................................................................................115

Registration on “Registration” website and calculation of second-level password (Service

Menu) ...................................................................................................................................................117

Resetting the remaining time for grid standard variation .............................................................120

Verification of ground leakage .........................................................................................................121

Behaviour of a system without leakage ..............................................................................121

Behaviour of a system with leakage ...................................................................................122

Measuring the insulation resistance of the PV generator. ............................................................123

Storage and dismantling ..................................................................................................................124

Storage of the equipment or prolonged stoppage ..............................................................124

Dismantling, decommissioning and disposal ......................................................................124

Further information ............................................................................................................................125

Contact us ...........................................................................................................................................126

..........................................................................................................105

..................................................................................................................105

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- 7 -

1- Introduction and general information

Reference number index

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, Bracket

, Locking screws

, Heat sink

, Anti-condensation valve

, Front cover

, LED panel

, Display

, Keyboard

, DC input connectors

, AC output connector

, Expansion board connector (J6)

, SD Card slot

, Signals terminal block

, RS485 connector

Graphical representation of references

RS485 termination line jumper

, DC disconnect switch

, Fastening points for Stand Alone

board

, Stand-alone board (optional)

, External earth connection

, Service cable glands

ESC

POWER

ALARM

ENTER

GFI

DOWN

UNO-2.0/3.0/3.6/4.2-TL-OUTD

UNO-2.0/3.0/3.6/4.2-TL-OUTD-S

09 04 03 14 20 19 10

09 04 03 1416 20 19 10

000467AG

- 8 -

1- Introduction and general information

UNO-2.0/3.0-TL-OUTD-S

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1120131416 15040912 1810

UNO-3.6/4.2-TL-OUTD-S

000467AG

1120131416 15040912 1810

- 9 -

1- Introduction and general information

The document and intended audience

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Purpose and structure of the document

This operating and maintenance manual is a useful guide that will enable you to work safely and carry out the operations necessary for keeping the equipment in good working order.

If the equipment is used in a manner not specied in the installer manual, the protection

provided by the equipment may be impaired. The language in which the document was originally written is ITALIAN; therefore, in the event

of inconsistencies or doubts please ask the manufacturer for the original document.

List of annexes

In addition to this operating and maintenance manual, (if applicable or on request) the following enclosed documentation is supplied:

- EC declaration of conformity

- quick installation guide

CAUTION: Part of the information given in this document is taken from the original documents provided by the suppliers. This document contains only the information considered necessary for the use and routine maintenance of the equipment.

Staff characteristics

The Customer must make sure that the operator has the necessary skills and training to do his/her job. The staff in charge of using and maintaining the equipment must be experienced, aware and responsible enough to perform the tasks described and must reliably demonstrate their ability to interpret what is described in the manual correctly.

For safety reasons, only a qualied electrician who has received training and/or demonstrated skills and knowledge on the structure and operation of the unit may install the inverter.

The installation must be performed by qualied installers and/or licensed electricians in accordance with the existing regulations in the country of installation.

The employment of a person who is NOT qualied, is drunk, or on narcotics, has a prosthetic

mitral valve or a pacemaker is strictly forbidden.

The customer has civil liability for the qualication and mental or physical state of the pro- fessional gures who interact with the equipment. They must always use the personal pro-

tective equipment provided for by the laws of the country of destination and whatever else is provided by their employer.

000004EG

- 10 -

1- Introduction and general information

Symbols and signs

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In the manual and/or in some cases on the equipment, the danger or hazard zones are indicated with signs, labels, symbols or icons.

Symbol Description

Indicates that it is mandatory to consult the manual or original document, which must be available for future use and must not be damaged in any way.

General warning - Important safety information. Indicates operations or situations in which staff must be very careful.

Dangerous Voltage - Indicates operations or situations in which staff must be very careful with regard to dangerous voltage levels.

Hot parts - Indicates a risk arising from the presence of hot zones or zones with parts at high temperatures (risk of burns).

Risk of explosion

IPXX

Risk of injury due to the weight of the equipment. Take care during lifting and transport

Indicates that the area in question must not be accessed or that the operation described must not be carried out.

Keep out of the reach of children

Indicates that smoking and the use of naked ames is prohibited.

Indicates that it is mandatory to carry out the described operations using the clothing and/or personal protective equipment provided by the employer.

WEEE logo. Indicates that the product is to be disposed of according to current legislation regarding the disposal of electronic components.

Indicates the protection rating of the equipment according to IEC 70-1 (EN 60529 June 1997) standard.

000006GG

Point of connection for grounding protection.

Indicates the permitted temperature range

- 1 1 -

1- Introduction and general information

Symbol Description

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Indicates a risk of electric shock. Stored energy discharge time: 5 minutes

Indicates a risk of electric shock. Stored energy discharge time: 10 minutes

Direct Current

Alternating current

With insulation transformer

Without insulation transformer

Positive pole of the input voltage (DC) Negative pole of the input voltage (DC)

Indicates the centre of gravity of the equipment.

Indicates the requirement to wear acoustic protection devices in order to prevent damage to hearing

000006GG

- 12 -

1- Introduction and general information

Field of use, general conditions

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ABB accepts no liability for damage of any kind that may arise from incorrect or careless operations.

You may not use the equipment for a use that does not conform to that provided for in the

eld of use. The equipment MUST NOT be used by inexperienced staff, or even experienced

staff if carrying out operations on the equipment that fail to comply with the indications in this manual and enclosed documentation.

Intended or allowed use

This equipment is a string inverter designed to:

suitable for feeding into the public distribution network.

Limits in field of use

The inverter can be used only with photovoltaic modules which have ground isolated input poles, unless they are accessories installed that enable grounding of the inputs. In this case you must install an insulating transformer on the AC side of the system. Only a photovoltaic generator can be connected in the input of the inverter (do not connect batteries or other sources of power supply). The inverter can be connected to the electricity grid only in countries for which it has been

certied/approved.

The inverter cannot be connected to the DC side in parallel to other inverters to convert energy from a photovoltaic generator with a power greater than the nominal power of the single inverter. The inverter may only be used in compliance with all its technical characteristics.

transform a direct current (DC)

supplied by a photovoltaic generator (PV)

in an alternating electrical current (AC)

Improper or prohibited use

IT IS STRICTLY FORBIDDEN TO:

• Install the equipment in environments with particular ammability conditions or in adverse or

disallowed environmental conditions (temperature and humidity).

• Use the equipment with safety devices which are faulty or disabled.

• Use the equipment or parts of the equipment by linking it to other machines or equipment,

unless expressly provided for.

• Modify operating parameters that are not accessible to the operator and/or parts of the

000007CG

equipment to vary its performance or change its insulation.

• Clean the equipment with corrosive products that may corrode parts or generate electrostatic charges.

• Use or install the appliance or parts of it without having read and understood the contents of

the user and maintenance manual.

• Warm or dry rags and clothes on parts at temperature. In addition to being hazardous, doing so would compromise component ventilation and cooling.

- 13 -

General conditions

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Characteristics

The characteristics of the equipment are described so that its main

components can be identied and the technical terminology used in the

manual can be explained. Technical terminology and the fast information retrieval system, are supported by:

• Table of contents

• Reference number index

The Characteristics chapter contains information about the models, details of the equipment, characteristics and technical data, overall

dimensions and identication of the equipment itself.

The customer/Installer takes full responsibility if, when reading this manual, the chronological order of its presentation established by the manufacturer is not observed. All information is provided and occasional reference may be made to information in previous chapters.

In certain cases, there may be a need to separately document software functionality or attach supplementary documentation to this manual

intended for more qualied professional gures.

000008EG

- 14 -

2 - Characteristics

Models and range of equipment

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The models of single-phase inverters covered by this manual are divided into four groups according to their maximum output power:

2.0kW, 3.0 kW, 3.6 kW or 4.2 kW. For inverters of equal output power the variant between the various models is the presence or lack thereof of the DC disconnect switch

The choice of the inverter model must be made by a qualied technician who knows about

the installation conditions, the devices that will be installed outside the inverter and possible integration with an existing system.

• UNO-2.0/3.0/3.6/4.2-TL-OUTD MODELS

• Number of input channels: 1

• DC disconnect switch

• Input connectors: quick-t connectors (1 pair)

: No

• UNO-2.0/3.0/3.6/4.2-TL-OUTD-S MODELS

• Number of input channels: 1

• DC disconnect switch

• Input connectors: quick-t connectors (1 pair)

000468AG

: Yes

- 15 -

2 - Characteristics

Identification of the equipment and manufacturer

MODEL:

UNO-2.0-TL-OUTD

IP65

5 minutes

-25 to + 60 °C

-13 to +140 °F

INVERTERSOLAR

www.abb.com/solar

600 V

80 - 580 V

12.5 A

180 - 500 V

16 A

230 V 1Ø

50 Hz

1800 W @ 45 °C amb.

2000 W @ 45 °C amb.

10 A

2000 VA

dc max

dc MPP

dc, Full Power

sc max

acr

ac max

Pacr (cos =

0.9)

acr (cos = 1)

max

Made in Italy

DIN V VDEV 0126-1-1

PROTECTIVE CLASS: I

MODEL:

UNO-3.6-TL-OUTD

IP65

5 minutes

-25 to + 60 °C

-13 to +140 °F

INVERTERSOLAR

www.abb.com/solar

850 V

350 - 820 V

11 A

380 - 700 V

15 A

230 V 1Ø

50 Hz

3240 W @ 45 °C amb.

3600 W @ 45 °C amb.

16 A

3600 VA

dc max

dc MPP

dc, Full Power

sc max

acr

ac max

Pacr (cos =

0.9)

acr (cos = 1)

max

Made in Italy

DIN V VDEV 0126-1-1

PROTECTIVE CLASS: I

MODEL:

UNO-3.0-TL-OUTD

IP65

5 minutes

-25 to + 60 °C

-13 to +140 °F

INVERTERSOLAR

www.abb.com/solar

600 V

80 - 580 V

16 A

200 - 500 V

20 A

230 V 1Ø

50 Hz

2700 W @ 45 °C amb.

3000 W @ 45 °C amb.

15 A

3000 VA

dc max

dc MPP

dc, Full Power

sc max

acr

ac max

Pacr (cos =

0.9)

acr (cos = 1)

max

Made in Italy

DIN V VDEV 0126-1-1

PROTECTIVE CLASS: I

MODEL:

UNO-4.2-TL-OUTD

IP65

5 minutes

-25 to + 60 °C

-13 to +140 °F

INVERTERSOLAR

www.abb.com/solar

850 V

350 - 820 V

12.5 A

380 - 700 V

15 A

230 V 1Ø

50 Hz

3780 W @ 45 °C amb.

4200 W @ 45 °C amb.

20 A

4200 VA

dc max

dc MPP

dc, Full Power

sc max

acr

ac max

Pacr (cos =

0.9)

acr (cos = 1)

max

Made in Italy

DIN V VDEV 0126-1-1

PROTECTIVE CLASS: I

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The technical data provided in this manual does not substitute the data

supplied on the labels afxed to the equipment.

The labels afxed to the equipment must NOT be removed, damaged, stained, hidden, etc.,

for any reason whatsoever.

The approval label contains the following information:

1. Manufacturer

2. Model

3. Rating data

4. Certication marks

The labels are NOT to be hidden by foreign objects and parts (rags, boxes, equipment, etc.); they must be regularly cleaned and always kept in sight.

- 16 -

000468AG

2 - Characteristics

Besides the label with the specications, an additional inverter identica-

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tion label is also provided. The label displays the following information:

ABB UNO-X.X-TL-OUTD-Y

The ofcially required information is located on the approval label. The identication label is

an accessory label which shows the information necessary for the identication and charac-

terisation of the inverter by ABB.

Note: The labels are NOT to be hidden by foreign objects and parts (rags, boxes, equipment, etc.); they must be regularly cleaned and always kept in sight.

P/N:PPPPPPPPPPP

SN:YYWWSSSSSS WK:WWYY

WO:XXXXXXX

SO:SXXXXXXXX Q1

• Inverter model

- X.X = Inverter power rating:

- Y = Integrated disconnect switch

• Inverter Part Number

• Inverter Serial Number consisting of:

- YY = Year of manufacture

- WW = Week of manufacture

- SSSSSS = sequential number

• Week/Year of manufacture

000468AG

- 17 -

2 - Characteristics

Characteristics and technical data

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UNO-2.0-TL-OUTD UNO-3.0-TL-OUTD

Input

Absolute Maximum Input Voltage (Vmax,abs) 600 V

Input start-up voltage (Vstart) 100...300 V (default 150 V)

Input operating interval (Vdcmin...Vdcmax) 0.7xVstart...580 V (min 80V)

Rated Input Voltage (Vdcr) 400 V

Input Nominal Power(Pdcr) 2200 W 3200 W

Number of Independent MPPT 1

Maximum input power

(PMPPTmax)

DC Voltage MPPT Interval

(VMPPTmin ... VMPPTmax) to Pacr

Maximum DC Input Current (Idcmax) 12.5 A 16.0 A

Maximum Return current (AC side vs DC side) < 5 mA

Maximum short circuit current (Iscmax) 15.0 A 20.0 A

Number of DC Connection Pairs in Input

Type of Input DC Connectors Quick-t PV connector

Type of photovoltaic panels that can be connected

at input according to IEC 61730

Input protection

Reverse Polarity Protection Yes, from current limited source

Input overvoltage protection

- Varistors

Insulation Check Complying with the local standard

Characteristics of DC disconnect switch (Version

-S)

Output

AC Connection to the grid Single phase

Nominal Output Power (Pacr @cosφ=1) 2000 W 3000 W

Maximum Output Power (Pacmax @cosφ=1) 2000 W 3000 W

Maximum apparent Output power (Smax) 2000 VA 3000 VA

Rated AC Output Voltage (Vacr) 230 V

Output voltage range (Vacmin...Vacmin) 180...264 V

Maximum output current (Iacmax) 10.0 A 15.0 A

Maximum fault current 18.3 A rms (200ms)

Contribution to short-circuit current 12.0 A 17.0 A

Inrush current Negligible

Rated Output Frequency (fr) 50 / 60 Hz

Output Frequency Range (fmin...fmax) 47...53 Hz / 57…63 Hz

Nominal power factor

and setting interval

Total Current Harmonic Distortion <3%

AC Connections Type Female connector from panel

Output protection

Anti-islanding Protection Complying with the local standard

Maximum AC overcurrent protection 16.0 A 20.0 A

Output overvoltage protection - Varistors 2 (L - N / L - PE)

Operating performance

Maximum Efciency (ηmax) 97.3%

Weighted Efciency (EURO/CEC) 96.0% / -

Power Supply Threshold 8.0 W

Night-time consumption < 0.1W

2200 W 3200 W

180...500 V 200...500 V

(3)

Class A

Yes

Max. 25 A / 600 V

(1)

> 0.995

adj. ± 0.8 at maximum Smax

(4)

(2)

000469AG

- 18 -

2 - Characteristics

UNO-2.0-TL-OUTD UNO-3.0-TL-OUTD

Скачано с сайта интернет магазина https://axiomplus.com.ua/

Communication

Remote Monitoring VSN300 Wi Logger Card (opt..), VSN700 Data Logger (opt.)

Wireless local monitoring VSN300 Wi Logger Card (opt.)

User Interface LCD Display with 16 characters x 2 lines

Wired local monitoring PVI-USB-RS232_485 (opt.)

Available ports RS485, Remote ON/OFF, Alarm Relay Expansion slot 1

Environmental

Ambient temperature

Relative Humidity 0...100% w/o condensation

Typical noise emission pressure 50 dB(A) @ 1 m

Maximum operating altitude without derating 2000 m / 6560 ft

Environmental pollution degree

classication for external environments

Environmental category Outdoor

Physical

Environmental Protection Rating IP 65

Cooling System Natural

Dimensions (H x W x D) 553mm x 418mm x 175mm / 21.8” x 16.5” x 6.9”

Weight 12 kg / 26.5 lb

Assembly System Wall bracket

Overvoltage rating as per IEC 62109-1 II (DC input) III (AC output)

Safety

Safety class I

Insulation Level Without transformer (TL)

CE Marking (50 Hz Only)

Safety and EMC Standards

IEC/EN 62109-1, IEC/EN 62109-2, EN 61000-6-2, EN 61000-6-3,

Other features

Function for managing loads GoGo Relay

-25...+ 60 °C/-13...140 °F

with derating above 45°C / 113°F

EN 61000-3-2, EN 61000-3-3

1. The output voltage range may vary according to the grid standard of the country of installation

2. The output frequency range may vary according to the grid standard of the country of installation

3. In the event of a fault, limited by the external protection envisaged on the AC circuit

4. Please refer to the document “String inverters – Product manual appendix” available at www.abb.com/solarinverters for informa-

tion on the quick-t connector brand and model used in the inverter

Note. Features not specically mentioned in this data sheet are not included in the product

000469AG

- 19 -

2 - Characteristics

UNO-3.6-TL-OUTD UNO-4.2-TL-OUTD

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Input

Absolute Maximum Input Voltage (Vmax,abs) 850 V

Input start-up voltage (Vstart) 300…600 V (default 380 V)

Input operating interval

(Vdcmin...Vdcmax)

Rated Input Voltage (Vdcr) 500 V 600 V

Input Nominal Power(Pdcr) 3900 W 4500 W

Number of Independent MPPT 1

Maximum input power (PMPPTmax) 3900 W 4500 W

DC Voltage MPPT Interval

(VMPPTmin ... VMPPTmax) to Pacr

Maximum DC Input Current (Idcmax) 1 1.0 A 12.5 A

Maximum Return current (AC side vs DC side) 4.7 A

Maximum short-circuit current 15.0 A

Number of DC Connection Pairs in Input

Type of Input DC Connectors Quick-t PV connector

Type of photovoltaic panels that can be connec-

ted at input according to IEC 61730

Input protection

Reverse Polarity Protection Yes, from current limited source

Input overvoltage protection -

Varistors

Insulation Check Complying with the local standard

Characteristics of DC disconnect switch (Version

-S)

Output

AC Connection to the grid Single phase

Nominal Output Power (Pacr @cosφ=1) 3600 W 4200 W

Maximum Output Power (Pacmax @cosφ=1) 3600 W 4200 W

Maximum apparent Output power (Smax) 3600 VA 4200 VA

Rated AC output voltage (Vacr) 230 V

Output voltage range (Vacmin...Vacmin) 180...264 V

Maximum output current (Iacmax) 16.0 A 20.0 A

Maximum fault current 22.9 A rms (20ms)

Contribution to short-circuit current 18.0 A 22.0 A

Inrush current Negligible

Rated Output Frequency (fr) 50 / 60 Hz

Output Frequency Range (fmin...fmax) 47...53 Hz / 57…63 Hz

Nominal power factor and setting interval

adj. ± 0.8 at maximum Smax

Total Current Harmonic Distortion <3%

AC Connections Type Female connector from panel

Output protection

Anti-islanding Protection Complying with the local standard

Maximum AC overcurrent protection

20.0 A 25.0 A

Output Overvoltage Protection

- Varistors

Operating performance

Maximum Efciency (ηmax) 98.4%

Weighted Efciency (EURO/CEC) 97.5% / -

Power Supply Threshold 8.0 W

Night-time consumption < 0.1W

350...820V

380...700 V

(3)

(4)

Class A

Yes

Max. 16 A / 1000 V

(1)

(2)

> 0.995

2 (L - N / L - PE)

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2 - Characteristics

UNO-3.6-TL-OUTD UNO-4.2-TL-OUTD

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Communication

Remote Monitoring VSN300 Wi Logger Card (opt.), VSN700 Data Logger (opt.)

Wireless local monitoring VSN300 Wi Logger Card (opt.)

User Interface LCD Display with 16 characters x 2 lines

Wired local monitoring PVI-USB-RS232_485 (opt.)

Available ports RS485, Remote ON/OFF, Alarm Relay Expansion slot 1

Environmental

Ambient temperature

Relative Humidity 0...100% w/o condensation

Typical noise emission pressure 50 dB(A) @ 1 m

Maximum operating altitude without derating 2000 m / 6560 ft

Environmental pollution degree

classication for external environments

Environmental category Outdoor

Physical

Environmental Protection Rating IP 65

Cooling System Natural

Dimensions (H x W x D) 553mm x 418mm x 175mm / 21.8” x 16.5” x 6.9”

Weight 12 kg / 26.5 lb

Assembly System Wall bracket

Overvoltage rating as per IEC 62109-1 II (DC input) III (AC output)

Safety

Safety class I

Insulation Level Without transformer (TL)

CE Marking (50 Hz Only)

Safety and EMC Standards

EN 50178, IEC/EN 62109-1, IEC/EN 62109-2, EN 61000-6-2,

EN 61000-6-3, EN 61000-3-2, EN 61000-3-3

Other features

Function for managing loads GoGo Relay

-20...+ 60 °C/-13...140 °F

with derating above 45°C / 113°F

1. The output voltage range may vary according to the grid standard of the country of installation

2. The output frequency range may vary according to the grid standard of the country of installation

3. In the event of a fault, limited by the external protection envisaged on the AC circuit

4. Please refer to the document “String inverters – Product manual appendix” available at www.abb.com/solarinverters for informa-

tion on the quick-t connector brand and model used in the inverter

Note. Features not specically mentioned in this data sheet are not included in the product

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2 - Characteristics

Tightening torques

553mm - 21.77”

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T o maintain the IP65 protection of the system and for optimal installation, the following tightening torques must be used:

AC output connector cable gland 10 (ring nut fastening) Screws for securing AC output connector cables gland

Service cable glands Service cable glands Front cover fastening screws RS485 connector cable gland Locking screws Screw for external ground connection

Overall dimensions

The overall dimensions are expressed in millimetres and inches and include the wall installation bracket.

M20 (ring nut fastening)

M20 (lock nut fastening)

(ring nut fastening)

4...5 Nm

0.8...1 Nm

2.5 Nm

7.0 Nm

2.5 Nm

0.8 Nm

2.5 Nm

ESC

POWER

ALARM

ENTER

GFI

DOWN

418mm - 16.45”

- 22 -

175mm

6.89”

000469AG

2 - Characteristics

Bracket dimensions

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The dimensions of the wall mounting bracket are expressed in mm and inches.

1.5

269±0.3

15.5

21.5 6

30.5 9

37.7 37.7

190

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21.521.5

B-BA-A

218

50.5

71.4

2 - Characteristics

Efficiency curves

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The efciency curves are linked to technical parameters that are continually being developed and improved and should therefore be considered approximate.

The equipment was designed considering current energy conservation standards, to avoid waste and unnecessary leakage.

Graphs of the efciency curves of all models of inverter described in this manual are shown below.

UNO-2.0-TL-OUTD UNO-2.0-TL-OUTD-S

UNO-3.0-TL-OUTD UNO-3.0-TL-OUTD-S

UNO-2.0-TL-OUTD - Efﬁciency Curves

Efﬁciency [%]

0% 10% 20% 30% 50% 70% 100%

% of rated Output Power

80% 90%60%40%

UNO-3.0-TL-OUTD - Efﬁciency Curves

200Vdc

360Vdc

480Vdc

Efﬁciency [%]

0% 10% 20% 30% 50% 70% 100%

% of rated Output Power

80% 90%60%40%

- 24 -

200Vdc

400Vdc

500Vdc

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2 - Characteristics

UNO-3.6-TL-OUTD - Efﬁciency Curves

100

0% 10% 20% 30% 50% 70% 100%

Efﬁciency [%]

360Vdc

600Vdc

700Vdc

80% 90%60%40%

% of rated Output Power

UNO-4.2-TL-OUTD - Efﬁciency Curves

100

0% 10% 20% 30% 50% 70% 100%

Efﬁciency [%]

360Vdc

600Vdc

700Vdc

80% 90%60%40%

% of rated Output Power

UNO-3.6-TL-OUTD

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UNO-3.6-TL-OUTD-S

UNO-4.2-TL-OUTD UNO-4.2-TL-OUTD-S

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2 - Characteristics

Power limitation (Power Derating)

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In order to allow inverter operation in safe thermal and electrical conditions, the unit automatically reduces the value of the power fed into the grid. Power limiting may occur due to:

• Adverse environmental conditions (thermal derating)

• Percentage of output power (value set by the user)

• Grid voltage over frequency (mode set by user)

• Grid overvoltage U>10min Der. (enabling carried out by user)

• Anti-islanding

• High input voltage values

• High input current values.

Power reduction due to environmental conditions

The power reduction value and the inverter temperature at which it occurs depend on the ambient temperature and on many operating parameters. Example: input voltage, grid voltage and power available from

the photovoltaic eld.

The inverter can therefore reduce the power during certain periods of the day according to the value of these parameters. In any case, the inverter guarantees the maximum output power even at high temperatures, provided the sun is not shining directly on it.

100%(Pacr)

90%

80%

70%

60%

50%

Pout (%)

40%

30%

20%

10%

Pout Vs Tamb @ Vnom

UNO-TL-2.0

UNO-TL-3.0 UNO-TL-4.2

UNO-TL-3.6

Ambient temperature (°C)

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2 - Characteristics

Power reduction due to the input voltage

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The graphs show the automatic reduction of supplied power when input voltage values are too high or too low.

PVI-2.0-TL-OUTD PVI-2.0-TL-OUTD-S PVI-3.0-TL-OUTD PVI-3.0-TL-OUTD-S

PVI-3.6-TL-OUTD PVI-3.6-TL-OUTD-S PVI-4.2-TL-OUTD PVI-4.2-TL-OUTD-S

Pout Vs Vin (single input channel)

4500 4000 3500 3000 2500 2000

Pout (kW)

1500 1000

500

100

150

200

250

300

350

400

Vin (V)

Pout Vs Vin (single input channel)

4500 4000 3500 3000 2500 2000

Pout (kW)

1500 1000

500

400

450

500

550

350

600

750

650

700

UNO-3.0-TL-OUTD

UNO-2.0-TL-OUTD

450

500

550

600

650

700

UNO-4.2-TL-OUTD

UNO-3.6-TL-OUTD

800

850

900

950

1000

1050

000470AG

Vin (V)

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2 - Characteristics

Characteristics of a photovoltaic generator

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A PV generator consists of an assembly of photovoltaic modules that transform solar radiation into DC electrical energy and can be made up of:

Strings: number (X) of PV modules connected in series Array: group of X strings connected in parallel

Strings and Arrays

The string technology was developed to signicantly reduce the installation costs of a photovoltaic system, mainly associated to wiring on the DC side of the inverter and subsequent distribution on the AC side. A photovoltaic panel consists of many photovoltaic cells mounted on the same support.

• A string consists of a certain number of panels connected in series.

• An array consists of two or more strings connected in parallel.

Large photovoltaic systems can include multiple arrays connected to one or more inverters. The greater the number of panels in each string, the lower the cost and the less complex the wiring connections of the system.

CELL

The current of each array must fall within the limits of the inverter.

PANEL STRING ARRAY

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2 - Characteristics

Description of the equipment

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This equipment is a string inverter which converts the direct current of a photovoltaic generator into alternating current and feeds it into the public distribution grid. Photovoltaic panels convert solar radiation into “DC” electrical energy

(via a photovoltaic eld, also called PV generator); in order to use it, it

is transformed into “AC” alternating current. This conversion, known as inversion from DC to AC, is done in an efcient way by the ABB inverters, without using any rotary elements, rather only via static electronic systems. In order to allow inverter operation in safe thermal and electrical conditions, the unit automatically reduces the value of the power fed into the grid under adverse environmental conditions or unsuitable input voltage values. When connected in parallel with the grid, the alternating current from the

inverter ows directly into the domestic or industrial distribution circuit,

which is in turn connected to the public distribution grid. This way the solar energy system compensates for the energy drawn from the utilities connected to the grid to which it is linked.

When the photovoltaic system is not generating sufcient energy, the

power required to ensure proper operation of connected loads is taken from the public distribution grid. While if too much energy is produced, it is directly fed to the grid, thus becoming available to other users. According to national and local standards and regulations the produced energy can be sold to the grid or credited to the user against future consumption, thus granting a great saving of money.

Panels

000472AG

Operating diagram

DC Disconnect

switch/es

Inverter

AC safety devices

(Thermal-magnetic.

differential)

- 29 -

Grid

distributor

Grid

2 - Characteristics

Mutual connection of multiple inverters

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If the photovoltaic system exceeds the capacity of a single inverter, it is possible to connect multiple inverters to the system, each of them in turn connected on the DC side to an appropriate section of the photovoltaic generator, and on the AC side to the distribution grid. Each string inverter will work independently of the others and its own photovoltaic module will supply the maximum power available to the grid.

Notes on the system sizing

Decisions on how to structure a photovoltaic system depend on a series of factors and considerations, such as the type of panels, the space availability, the future location of the system, energy production goals over the long term, etc.

A conguration program that can help to correctly size the photovoltaic

system is available on the ABB website (http://stringsizer.abb.com).

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