LG LG240M1C Manual de usuario

Installation Instructions

Monocrystalline Solar Module Multicrystalline Solar Module

Monocrystalline Solar Module

Multicrystalline Solar Module

Table of Contents

Before Installation ...........................................................................................................................................................................

Exemption from Liability ....................................................................................................................................................

Safety and Instruction Signs in the Manual ................................................................................................

Safety ............................................................................................................................................................................................................. 4

Electric Voltage Hazard Warning ............................................................................................................................... 4

Accident Hazard Warning ................................................................................................................................................ 5

Warnings Related to the Use of Solar Modules ...................................................................................... 6

Warnings Related to the Installation of Solar Modules .................................................................

Electrical Installation ...................................................................................................................................................................

General Wiring ..............................................................................................................................................................................

Series Connection .....................................................................................................................................................................

Parallel Connection ..................................................................................................................................................................

Mechanical Installation .............................................................................................................................................................

Mounting with Mounting Holes in the Module Frame .....................................................................

Mounting with Module Clamps on the Longer Module Side .................................................

Mounting with Module Clamps on the Shorter Module Side ................................................

Mounting with Inlay Systems .........................................................................................................................................

Mounting with In-Roof Systems ................................................................................................................................

Earth Ground Wiring .................................................................................................................................................................... 17

Maintenance and Inspection ...............................................................................................................................................

Disposal ........................................................................................................................................................................................................

Before Installation

This manual contains general and safety

instructions to be observed while install-

ing and operating the LG Solar modules.

Please read this manual carefully before

installation. All installation and safety in-

structions should be clearly understood

before attempting to install, wire, com-

mission, or service the solar module.

Non-adherence can lead to personal

injury and material damages.

This manual is only intended for quali-

ﬁed persons and specialist technicians.

This manual is for the monocrystalline

solar modules LG240M1C, LG235M1C,

LG230M1C, the multicrystalline solar

modules LG230P1C, LG225P1C and

LG220P1C, and other power classes.

Solar modules from LG Electronics are

photovoltaic solar modules for convert-

ing light into electrical energy. The solar

modules are designed for use in photo-

voltaic systems. Any other application is

not conventional.

Exemption from Liability

No warranty or liability can be granted

for any damages arising from improper

installation.

Safety and Instruction Signs in the

Manual

Electric voltage hazard

Danger to life or health

Danger of material damage

Background or additional information

Safety

Accident prevention guidelines, rules

and regulations issued by the organisa-

tions and authorities concerned apply to

installation, operation and maintenance.

If applicable, observe the national and

regional directives, in particular the ﬁre

protection regulations.

Please also follow the individual safety

regulations for the other components

used in the photovoltaic system.

Electric Voltage Hazard Warning

The following safety instructions and

statutory directives must be observed

and adhered to.

Installation and maintenance may only

be carried out by qualiﬁed persons and

only in compliance with the local direc-

tives.

Keep children away while installing the

photovoltaic system and solar modules.

There is mortal danger due to electric

shock and arc load.

Contact with electrically live parts of the

solar module such as terminals could

lead to burns, sparks and fatal electric

shocks.

Safety

Observe the special safety directives on

handling direct current and photovoltaic

systems. The solar modules always

generate direct current when exposed

to sunlight. This can lead to life-threat-

ening values in just one single solar

module. The solar modules are pro-

tected only at the DC switch.

Never disconnect under load. There

may be life-threatening arc loads that

cannot be put out independently.

Do not touch the junction box, cable

ends and plug connections with bare

hands during the installation or in sun-

light, regardless of whether the solar

module is connected to the photo-

voltaic system or not.

Do not insert any part in the connector

plugs or jacks.

Do not carry out any work in wet weather

to avoid electric shock. Do not use any

wet tools. Do not work on wet terminals

of the solar module either.

Use insulated tools and rubber gloves

recommended for working on electrical

equipment.

Never leave the solar module unse-

cured.

Safety

Accident Hazard Warning

The following safety instructions and

statutory directives must be observed

and adhered to.

Installation and maintenance may only

be carried out by qualiﬁed persons and

only in compliance with the local direc-

tives.

Use suitable safety measures to pre-

vent falls when working high above the

ground. If applicable, observe the cor-

responding directives and recommen-

dations of the occupational health

agencies or relevant organisations.

Do not work under rainy, snowy or windy

conditions.

While working at heights, be careful to

avoid the danger of objects falling.

Handle broken or damaged solar mod-

ules carefully and with appropriate

safety gear.

Do not touch the glass and rear side of

the solar module with bare hands. Wear

safety gloves to avoid injuries.

The glass surface and module frame

can heat up under the sun’s rays, which

may result in burning of the skin. Use

safety gloves if required.

Safety

The following safety instructions and

statutory directives must be observed

and adhered to.

Persons who have no knowledge of solar

modules or, for instance, the measures

to be taken when handling damaged

solar modules should not go near the

solar modules. This is to ensure there

are no injuries or electric shocks.

Do not concentrate the sunlight artiﬁ-

cially on the solar module with the help

of mirrors, lenses or other objects.

Avoid any shadowing of the solar module,

also partial shadowing. This will cause

yield cuts and may damage the solar

module in certain conditions.

Position the solar modules in surround-

ings where the operating temperature

will stay strictly within the range of

-40°C to +90°C. It is especially impor-

tant to ensure that there is sufﬁcient air

circulation behind the solar modules if

they are mounted in hot ambient con-

ditions.

The solar modules may not be oper-

ated in a location where they could come

in contact with salt water.

Ensure that no inﬂammable gases could

become present at the installation area.

If the solar module is being installed on

a roof, it may only be mounted on a

ﬁre-resistant roof covering designed for

this purpose.

If a solar module or component needs

to be replaced, compare and check the

properties and performance of the new

solar module/component with the one

being used.

Do not clean the glass surface of the

solar module with an alkaline cleaning

agent.

Safety

Warnings Related to the Use of Solar Modules

Safety

The following safety instructions and

statutory directives must be observed

and adhered to.

Mounting and installation may only be

carried out by qualiﬁed persons and

only in compliance with local directives.

A general degree of care is needed

when handling the solar modules.

Damaged solar modules may not be

used.

Handle the solar module very carefully

during transport. Do not allow the solar

module to fall and avoid excessive load.

The solar cells in the solar module are

very thin and can break easily.

Do not step on the solar module and

do not let any object fall on the solar

module.

Do not damage or scratch the rear of

the solar module.

Do not strike any part of the solar mod-

ule.

Do not lift the solar module by the

junction box and cables. Do not pull at

the cables and do not twist or scratch

the cables.

Do not dismantle the solar module and

never carry out any unauthorised

changes on the solar module. Do not

remove any labels. Do not drill any

holes in the frame or glass. This could

compromise the stability of the frame

or glass.

Do not cover the water drainage holes

of the module frame. If the frame is

ﬁlled with water, it can lead to frost

damage.

Do not allow the insulation coating of

the frame to get scratched. This can

lead to corrosion and may compromise

the stability of the frame.

Ensure that the plug connections are

tight and check the functioning of the

cabling.

Use only those devices, plug connec-

tions, electric lines and mounting sys-

tems which are appropriate for use in

photovoltaic systems.

After installation, check that the solar

module and photovoltaic system are

functioning correctly.

Warnings Related to the Installation of Solar Modules

Electrical Installation

Solar modules from LG Electronics dealt

with here meet the requirements of Ap-

plication Class A: Dangerous voltage (IEC

61730: more than 50 V DC; EN 61730:

more than 120 V DC); systems with dan-

gerous power where normally unlimited

accessibility is expected.

For more information on solar modules

from LG Electronics, please refer to the da-

tasheets of the solar modules. These can

be found at www.lg-solar.com.

In particular ambient conditions, a solar

module can deliver a higher current

and/or voltage than indicated in the

standardised test conditions. For deter-

mining the rated values of components

such as cabling, fuses and inverters con-

nected to the solar module's outlet, the

values for Isc and Uoc are to be multiplied

by a factor of 1.25 when the photovoltaic

systems are designed.

General Wiring

Solar modules from LG Electronics can

be connected in series or parallel to get

the desired electrical output.

Use only solar modules of the same type

in a combined connection.

Electrical Installation

Series Connection

The maximum system voltage must not

be exceeded.

The solar modules can be connected in

series to receive a higher output voltage.

Series connection is preferred if the sys-

tems are not in shade. This has the fol-

lowing advantages.

the solar modules can be mounted

simply and quickly

higher voltages make it possible to

have smaller cable cross-sections

higher voltages lead to lower currents

with the same output and therefore to

lower power losses

Series connection for increasing the system voltage

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