Involar MAC250 Bedienungsanleitung

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

Installation and Operations Manual

INVOLAR MAC250 Photovoltaic Micro-Inverter

Model number MAC250-230-EUR.

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.

This document is not to be reproduced in any manner, nor are the contents to be disclosed

to anyone, without the express authorization of INVOLAR.

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

Contact Information

INVOLAR Corporation Ltd.

Room 501, Building 84, No. 887, Zuchongzhi Road, Pudong

District,

201203 Shanghai, PEOPLE’S REPUBLIC OF CHINA

Tel： 86-21-50272208

Fax: 86-21-50277705

www.INVOLAR.com

info@INVOLAR.com

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

Table of Contents

1 READ THIS FIRST ........................................................................................................................ 4

2 SAFETY SYMBOLS....................................................................................................................... 5

3 SAFETY INSTRUCTIONSAND EC DIRECTIVES ............................................................................... 9

3.1 EC DIRECTIVES ..................................................................................................................... 15

4 THE INVOLAR MICRO-INVERTER SYSTEM INSTRUCTION .......................................................... 24

4.1 THE INVOLAR MICRO-INVERTER SYSTEM .................................................................................. 24

4.2 THE INVOLAR MAC250 MICRO-INVERTER ............................................................................... 25

4.3 FEATURES ........................................................................................................................... 25

5 INVOLAR MICRO-INVERTER INSTALLATION ............................................................................. 26

5.1 INVOLAR MAC250MICRO-INVERTER OPERATIONAL ENVIRONMENT ............................................... 28

5.2 INVOLAR MAC250 MICRO-INVERTER OPERATIONAL CONDITION IN PV SYSTEM ................................ 28

5.3 INSTALLATION STEPS ............................................................................................................. 28

6. FUNCTION INSTRUCTIONS ....................................................................................................... 35

6.1 WORKING MODE ................................................................................................................. 35

6.2 GRID-CONNECTION ............................................................................................................... 36

6.3 GRID DISCONNECT ................................................................................................................ 36

START-UP– CHECKS .......................................................................................................................... 37

7 DISCONNECTING A MICROINVERTER FROM THE PV MODULE ................................................. 38

8 MONITORING AND TROUBLESHOOTING AND MAINTENANCE ................................................. 39

SAFETY CHECKS ................................................................................................................................. 39

MAINTAIN PERIODICALLY .................................................................................................................... 39

8.1 OVERVIEW .......................................................................................................................... 40

8.2 MAC250 MICRO-INVERTER STATUS LED INDICATIONS AND ERROR REPORTING ............................. 41

9 INTERNET WEB ................................................................................................................... 43

9.1 USER REGISTRATION.............................................................................................................. 43

9.2 USER LOGIN ........................................................................................................................ 43

10 INVOLAR MAC250 MICRO-INVERTER TECHNICAL DATA ........................................................... 44

10.1 TECHNICAL SPECIFICATIONS ..................................................................................................... 44

11 APPENDIX ................................................................................................................................ 46

11.1 LIMITED WARRANTY.............................................................................................................. 46

11.2 INVOLAR MAC250 MICRO-INVERTER SYSTEM SAMPLE WIRING DIAGRAM ...................................... 47

11.3 EC DECLARATION OF CONFORMITY ........................................................................................... 48

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

IMPORTANT SAFETY

INSTRUCTIONS

SAVE THESE INSTRUCTIONS

1 Read This First

Thank you for using INVOLAR MAC250-230-EUR Micro-Inverter. This Micro-Inverter with a

revolutionary technology maximizes the energy conversion from photovoltaic solar modules,

enhanced system reliability, and greatly simplifies the installation and reduces the maintenance

time and cost.

To reduce the risk of electrical shock, and to ensure the safe installation and operation of the

INVOLAR MAC250 Micro-Inverter, please read this manual carefully and pay attention to the

safety symbols appear throughout this document.

This manual is for end users.

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

2 Safety Symbols

Warnings and cautions tell you about the dangerous conditions that can occur if

you do not follow all instructions in this manual.

Please read following safety symbols to indicate dangerous conditions and

important safety instruction.

DANGER

The DANGER symbols in this manual and on MAC250 Micro-inverter

indicate a hazard with a high level of risk which, if not avoided,

will result in death or serious injury.

WARNING

The WARNING symbols in this manual and on MAC250

Micro-inverter indicates a hazard with a medium level of risk

which, if not avoided, could result in death or serious injury.

CAUTION

The CAUTION symbols in this manual and on MAC250 Micro-inverter

indicate a hazard with a low level of risk which, if not avoided, could

result in minor or moderate injury.

NOTE

The NOTE symbols in this manual indicate the important product information.

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

Symbols replace words on the equipment, on a display, or in manuals.

Trademark

No access for unauthorized personal

Caution, risk of danger

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

Earth (ground) TERMINAL

Protective Conductor Terminal

Fuse

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

Refer to the operating instructions

Caution, risk of electric shock

Caution, hot surface

RISK OF ELECTRIC SHOCK! Energy storage

timed

Discharge: 45 minutes! Hazardous voltage

present for up to 45 minutes faster

disconnection from power supply.

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 those markings are based

on short circuit 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 open circuit voltage) under worst

case

conditions of ambient temperature,

irradiance, etc.

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

CE mark is attached to the solar inverter to

verify that the unit follows the provisions of

the European Low Voltage and EMC Directives

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

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 information 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 endues system may only be

commissioned and operated by qualified

personnel.

DVC Decisive voltage class

Closed Electrical Operating Area Room or location for electrical equipment to which

access is restricted to skilled or instructed

persons by the opening of a door or the removal of a

barrier by the use of a key or tool and

which is clearly marked by appropriate warning

signs

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

Technical Competence

The procedures described in this manual should be

performed by a 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 anyone

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, Photovoltaic 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.

Involar require using only genuine replacement parts, manufactured or sold by Involar 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 but not limited to the BS7671

Requirements/ VDE regulation 0107.

All electrical installations must be made in accordance with the National Electrical

regulations, and any other codes and regulations applicable to the installation site.

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.

3 Safety Instructions and EC Directives

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 commence 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.

For INVOLAR Micro-Inverter Warranty Terms and Conditions, see the appendix of this manual.

 Be aware that only qualified personnel should install and /or replace INVOLAR

Micro-Inverters.

Version 4 Rev 1 Apr 2011 INVOLAR Corporation Ltd. (EUR)

 Perform all electrical installations in accordance with all local electrical codes.

 Comply the rules of correctly use of tools and personal protective equipment (PPE)

for insuring the Micro-Inverter safe running.

 Even if the inverter is not in running condition, the power input and output lines may

still be charged with a hazardous voltage. After breaking the circuit and waiting for

more than 45 minutes to ensure the inverter discharged to a safe low-voltage, and

then start the installation.

 Be aware that only qualified personnel should maintain INVOLAR Micro-Inverter.

 Connect the INVOLAR Micro-Inverter to the electrical utility grid only after receiving prior

approval from the utility company.

 In the day time, Use opaque covering on PV array to screen the sunshine before

installing the INVOLAR Micro-Inverter, thus eliminating the risk of personnel

exposure to lethal high-voltage.

 The photovoltaic micro-inverter is not intended to be secured to the back of the

photovoltaic module. It should be secured to the framework supporting the PV module.

 MAC250 is intended to be connected only to a dedicated branch circuit.

 The device is not provided with ground-fault detector/interrupter unit.

WARNINGS

Always Disconnect the unit from the MAINS and PV supply by the

external customer installed disconnecting devices before installation,

servicing and maintenance works, and placed a warning sign adjacent

to switch “do not turn on maintenance in progress”.

WARNINGS

PV arrays are energized when exposed to light, they are supply a D.C.

voltage to the inverter. Use safe working practices when working on

PV arrays.

CAUTION!

The device is intended for fixed installation, Located on a part that is

not removable without impairing the operation of the unit.

CAUTION!

Visible and legible to the operator during the normal operation of the

device.

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