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Yingli Solar Solpanel YLM-J 3.0 Pro

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Sida 1/11

Y I N G L I S O L A R .C O M

This manual applies to photovoltaic modules (“PV modules”,

also commonly known as solar panels) manufactured by Yingli

Energy Development Company Limited (“Yingli Solar”), and

is explicitly written for qualified professionals (“Installer” or

“Installers”), including without limitation licensed electricians

and RAL Certified PV Installers.

I N T RO D U C T I O N

Thank you for choosing Yingli Solar as your PV module provider. We

appreciate your business! This manual contains important information

pertaining to the electrical and mechanical installation and maintenance

of PV modules, and contains safety information that you must read carefully and

be familiar with before handling, installing, and/or maintaining Yingli Solar PV

modules.

Yingli Solar does not assume responsibility and expressly disclaims liability for

losses, damages, or expenses arising out of, or in any way connected with this

Installation and User Manual. Yingli Solar assumes no responsibility for any

infringement of patents or other rights of third parties, which may result from

using Yingli Solar PV modules. No license is granted expressly or by implication

or under any patent or patent rights. The information in this manual is believed to

be reliable, but does not constitute an expressed or implied warranty. Yingli Solar

reserves the right to make changes to its PV modules and other products, their

specifications, or this manual without prior notice.

Yingli Solar and its subsidiaries are not liable for any damages caused by

inappropriate installation, use, or maintenance of Yingli Solar PV modules,

including without limitation damages, losses, and expenses caused by non-

observance of the instructions of this manual or caused by or in connection with

products of other manufacturers.

Yingli Solar PV modules are designed to meet the requirements for the standards

IEC 61215 IEC 61730 and , application class A. Modules rated for use in this

application class may be used in systems operating at greater than 50 V DC

or 240 W, where general contact access is anticipated. Modules qualified for

safety through and and within this application class are IEC 61730-1 IEC 61730-2

considered to meet the requirements for safety class II. In the course of the PV

module certification process, the compliance of this manual with the certification

requirements has been verified by an independent certification laboratory.

This Installation and User Manual is available in different languages. In cases of

discrepancy between versions, the English language version shall control.

Failure to comply with the requirements listed in this manual will invalidate the

Limited Warranty for PV Modules as provided by Yingli Solar at the time of sale to

the direct customer. Additional recommendations are provided to enhance safety

practices and performance results. Please provide a copy of this manual to the

PV system owner for their reference, and inform them of all relevant aspects of

safety, operation and maintenance.

S A F E T Y

General

You must understand and follow all applicable local, state, and federal regulations

and standards for building construction, electrical design, fire, and safety, and

must check with local authorities to determine applicable permitting requirements

before attempting to install or maintain PV modules.

Rooftop PV systems should only be installed on dwellings that have been

formally analyzed for structural integrity, and confirmed to be capable of handling

the additional weighted load of PV system components, including PV modules, by

a certified building specialist or engineer.

For your safety, do not attempt to work on a rooftop until safety

precautions have been identified and taken, including without

limitation fall protection measures, ladders or stairways, and

personal protective equipment (PPE).

For your safety, do not install or handle PV modules under adverse conditions,

including without limitation strong or gusty winds, and wet or frosted roof surfaces.

The flat-plate PV module construction consists of a laminated assembly of solar

cells encapsulated within an insulating material with a rigid glass surface and an

insulated substrate. The laminated assembly is supported by an aluminum frame

that is also used for installation the module. See Figure 1 for an illustration of the

PV module components.

Figure 1: Module components and cross-section of the laminated assembly

Electrical

1. Aluminum Frame

2. Glass

3. Encapsulating EVA

4. PV Cell

5. Backsheet

YINGLI SOLAR GB MODULES

Installation and User Manual

Revision date: Dec. 12th, 2022 | Applicable for IEC certified products | The second edition

Y I N G L I S O L A R .C O M

GB Modules Installation and User Manual Page 2

De-energize PV modules by removing them entirely from light or by covering

their front surface with an opaque material. Regard the safety regulations for

live electrical equipment when working with modules that are exposed to any

light. Use insulated tools and do not wear metallic jewelry while working with PV

modules.

In order to avoid arcing and electrical shock, do not disconnect electrical

connections under load. Faulty connections can also result in arcing and

electrical shock. Keep connectors dry and clean, and ensure that they are in

proper working condition. Never insert metallic objects into the connectors, or

modify them in any way in order to secure an electrical connection.

Do not touch or handle PV modules with broken glass, separated frames or

a damaged backsheet unless the PV modules are first disconnected and you

are wearing proper PPE. Avoid handling PV modules when they are wet unless

cleaning the PV modules as directed in this manual. Never touch electrical

connections that are wet without protecting yourself with insulated gloves.

Transport and Handling

Yingli Solar PV modules must be transported in the supplied packaging only and

kept in the packaging until they are ready to be installed. Protect pallets against

movement and exposure to damage during transportation. Secure pallets from

falling over. Do not exceed the maximum height of pallets to be stacked, as

indicated on the pallet packaging. Store pallets in a cool and dry location until the

PV modules are ready to be unpackaged.

Figure 2: Pallet of PV modules

Yingli Solar PV modules are heavy, and should be handled with care. PV modules

shall be handled at the frame; never use the junction box or cables as a grip. Do

not exert mechanical stress on the cables. Never step on PV modules or drop

or place heavy objects on them. Be careful when placing PV modules on hard

surfaces, and secure them from falling. Broken glass can result in personal injury.

PV modules with broken glass cannot be repaired and must not be used. Broken

or damaged PV modules must be handled carefully and disposed of properly.

For unpacking PV modules from the Yingli Solar supplied packaging, first remove

the pallet lid (after removing securing straps, if provided). Remove PV modules

one at a time by sliding them up the channel in the package (see Figure 3). You

may need to secure the remaining PV modules in the pallet packaging to prevent

them from falling over.

Figure 3: Removing PV modules from a pallet

Check PV modules for damage due to transportation before they are installed;

do not install damaged modules. Contact the company you purchased the Yingli

Solar PV modules from in order to obtain information on making claims for

defective PV modules.

PV module surfaces are susceptible to damage that could affect the performance

or safety of the PV module; do not damage or scratch the PV module surfaces,

and do not apply paint or adhesive to any of the surfaces, including the frame. For

your safety, do not disassemble or modify Yingli Solar PV modules in any way.

Doing so may degrade performance or cause irreparable damage and will void

any applicable warranties.

If it is necessary to store PV modules prior to installation, the PV modules should

remain inside the packaging and protected from exposure that could compromise

the durability of the packaging.

Fire

Yingli Solar PV Modules have a Class C fire resistance rating in accordance with

the IEC 61730-2 certification. When PV modules are mounted on rooftops, the

roof must have a fire resistant covering suitable for this application. PV modules

are electrical generating devices that may affect the fire safety of a building.

The use of improper installation methods and/or defective parts may result in the

unexpected occurrence of an electrical arc during operation. In order to mitigate

the risk of fire in this event, PV modules should not be installed near flammable

liquids, gases, or locations with hazardous materials.

In the event of a fire, PV modules may continue to produce a dangerous voltage,

even if they have been disconnected from the inverter, have been partly or

entirely destroyed, or the system wiring has been compromised or destroyed.

In the event of fire, inform the fire crew about the particular hazards from the PV

system, and stay away from all elements of the PV system during and after a fire

until the necessary steps have been taken to make the PV system safe.

A P P L I C A T I O N I N F O R M A T I O N

Application Restrictions

Yingli Solar PV modules must be mounted on appropriate installation structures

positioned on suitable buildings, the ground, or other structures suitable for PV

modules (e.g. carports, building facades or PV trackers). PV modules must not

be mounted on moving vehicles of any kind. Yingli Solar PV modules must not be

installed in locations where they could be submerged in water.

Yingli Solar PV modules must not be sited in locations where aggressive

substances such as salt or salt-water, or any other type of corrosive agent, could

affect the safety and/or performance of the PV modules. Although some types

of Yingli Solar PV modules have passed the IEC 61701 salt-mist corrosion test

with a salt concentration of 5% by weight, galvanic corrosion can occur between

the aluminum frame of the PV module and installation or grounding hardware if

such hardware is comprised of dissimilar metals. Yingli Solar recommends that

only stainless steel and aluminum metal directly contact PV modules in seaside

installations to limit corrosion.

Artificially concentrated light must not be directed on Yingli Solar PV modules.

Design Recommendations

Yingli Solar recommends that PV modules be mounted at a minimum tilt angle of

10 degrees to allow for proper self-cleaning from normal rain showers.

Partial or complete shading of a PV module or modules can significantly reduce

system performance. Yingli Solar recommends minimizing the amount of shade

throughout the year to increase the amount of energy produced by the PV

modules.

Lightning protection is recommended for PV systems that are to be installed in

locations with high probability of lightning strikes.

High system voltages could be induced in the event of an indirect lightning strike,

which could cause damage to PV system components. The open area of wire

loops should be minimized, as shown in Figure 4, in order to reduce the risk of

Y I N G L I S O L A R .C O M

GB Modules Installation and User Manual Page 3

Figure 4: Wire loop design recommendation

Series iring ( oltage dditive)w v a

Parallel iring ( urrent dditive)w c a

Fully engage and lock

Cap

+–

lightning induced voltage surges.

E L E C T R I C A L IN S T AL L A T IO N

Electrical Configuration

Under normal conditions, a photovoltaic module is likely to experience conditions

that produce more current and/or voltage than reported at Standard Test

Conditions (STC: 1000 W/m2, AM 1.5, and 25℃ cell temperature). The short-

circuit current (ISC) should be multiplied by a factor of 1.25 and the open-circuit

voltage (VOC) should be multiplied by a factor of up to 1.25 based on the lowest

ambient temperature recorded for the installation location when determining

component voltage ratings, conductor current ratings, fuse sizes, and size of

controls connected to the PV output.

Voltages are additive when PV modules are connected directly in series, and

module currents are additive when PV modules are connected directly in parallel,

as illustrated in Figure 5. PV modules with different electrical characteristics must

not be connected directly in series. The use of suitable third-party electronic

devices connected to PV modules may enable different electrical connections

and must be installed according to the manufacturer’s specified instructions.

Figure 5: Electrical diagrams of series and parallel wiring

The maximum number of PV modules that can be connected in a series string

must be calculated in accordance with applicable regulations in such a way that

the specified maximum system voltage of the PV module and all other electrical

DC components will not be exceeded in open-circuit operation at the lowest

temperature expected at the PV system location.

An appropriately rated overcurrent protection device must be used when the

reverse current could exceed the value of the maximum fuse rating of the module.

An over current protection device and anti-reflection diode module are required

for each series string if more than two series strings are connected in parallel.and

reverse polarity is forbidden.

Cables and Wiring

Yingli Solar PV modules are provided with two (2) stranded, sunlight resistant

output cables that are terminated with PV connectors ready for most installations.

The positive (+) terminal has a female connector while the negative (-) terminal

has a male connector. The module wiring is intended for series connections [i.e.

female (+) to male (-) interconnections], but can also be used to connect suitable

third-party electrical devices that may have alternative wiring configurations so

long as the manufacturer’s instructions are followed.

Use field wiring with suitable cross-sectional areas that are approved for use at

the maximum short-circuit current of the PV module. Yingli Solar recommends

installers use only sunlight resistant cables qualified for direct current (DC) wiring

in PV systems. The minimum wire size should be 4mm 2.

Table 1: Required minimum field wiring specifications

Testing Standard Wire Size Temperature Rating

Required Minimum Field Wiring EN 50618 4 mm2- 40 C to + 90º ºC

Cables should be fixed to the installation structure in such a way that mechanical

damage of the cable and/or the module is avoided. Do not apply stress to the

cables. Do not bend cables to a bending radius of less than 40mm. For fixing, use

appropriate means, such as sunlight resistant cable ties and/or wire management

clips specifically designed to attach to the PV module frame. While the cables are

sunlight resistant and waterproof, where possible, avoid direct sunlight exposure

and water immersion of the cables.

Connectors

Keep connectors dry and clean, and ensure that

connector caps are hand tight before connecting the

modules. Do not attempt making an electrical connection

with wet, soiled, or otherwise faulty connectors.

Avoid sunlight exposure and water immersion of the

connectors. Avoid connectors resting on the ground or roof surface.

Faulty connections can result in arcs and electrical shock. Check that all electrical

connections are securely fastened. Make sure that all locking connectors are

fully engaged and locked.

Modules must not be interconnected using connectors from different

manufacturers and / or of different types. If modules having such different

connectors need to be interconnected, a qualified professional may replace

connectors according to the manufacturers’ specified instructions such that an

interconnection can be made with connectors from the same manufacturer and

the same type.

Figure 6: Series interconnection of a male (-) and female (+) connector

Bypass Diodes

The junction boxes used with Yingli Solar PV modules (not Smart Hot Spot Free

module) contain bypass diodes wired in parallel with the PV cell strings. In the

case of partial shading, the diodes bypass the current generated by the non-

shaded cells, thereby limiting module heating and performance losses. Bypass

diodes are not overcurrent protection devices.

Bypass diodes divert current from the cell strings in the event of partial shading.

See Figure 7-1 for a diagram showing how the cell strings are electrically

connected with the diodes.

Every piece of cells from Yingli Smart Hot Spot Free module parallels a diode,

with a cell is covered by shade or occurs an excepion, the paralleled diode can

bypass this cell, thus avoid hot spot, and can retain the maximum power output.

Bypass diodes divert current from a cell in the event of partial shading, See

figure 7-2 for a diagram showing how the cells are electricallly connected with

the diodes.

Produktspecifikationer

Varumärke:	Yingli Solar
Kategori:	Solpanel
Modell:	YLM-J 3.0 Pro

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