Tsc Powerxt r-ps series Setup guide

Safety, Installation, and Operations Manual

High Performance Solar

SAFETY, INSTALLATION, AND

OPERATIONS MANUAL

(Europe)

TSC PowerXT®XXXR-PS Module

Safety, Installation, and Operations Manual

High Performance Solar

Other Information

Product information is subject to change without notice. All trademarks are recognized as the property of their

respective owners.

User documentation is updated frequently; Check the TSC website (tscpowerhome.eu) for the latest information.

For warranty text refer to tscpowerhome.eu

For TSC patent information refer to solaria.com/patents/

TSC PowerHome B.V.

Barbara Strozzilaan 201 1083HN

Amsterdam

Netherlands

tscpowerhome.eu

solaria.com/europe/#contactEU

Contact Information for Europe

Europe Headquarters Address

Safety, Installation, and Operations Manual

High Performance Solar

Table of Contents

1 General Information ..................................................................................................................... 4

1.1 Installation Manual Disclaimer ....................................................................................................................4

1.2 Limitation of Liability ...................................................................................................................................4

2 General Principles Of Security........................................................................................................ 4

2.1 Electrical safety ...........................................................................................................................................5

2.2 Fire Safety....................................................................................................................................................6

2.3 Transportation Safety ..................................................................................................................................6

3.3 Installation Safety........................................................................................................................................6

3 Electrical Properties..................................................................................................................... 7

3.1 Electrical Installation ...................................................................................................................................7

3.2 Cables & Wires.............................................................................................................................................8

3.3 Connector ....................................................................................................................................................8

3.4 Bypass Diode ...............................................................................................................................................8

3.5 Grounding ....................................................................................................................................................9

4 Handling, Transportation, Storage & Unpacking................................................................................10

4.1 Handling, Transportation & Tran-shipment ............................................................................................... 10

4.2 Storage...................................................................................................................................................... 11

4.3 Unpacking................................................................................................................................................. 11

5 Module Installation .....................................................................................................................12

5.1 Installation environment ........................................................................................................................... 12

5.2 Inclination Choice ..................................................................................................................................... 13

5.3 Mechanical Installation............................................................................................................................. 13

5.4 Location Choice ........................................................................................................................................ 14

6 Installation Guide .......................................................................................................................14

6.1 Installation Method: Bolting...................................................................................................................... 14

6.2 Installation method: Clamps..................................................................................................................... 16

7 Maintenance..............................................................................................................................17

7.1 Cleaning.................................................................................................................................................... 17

7.2 Visual Inspection ...................................................................................................................................... 18

7.3 Inspection of Connector & Cable .............................................................................................................. 18

Safety, Installation, and Operations Manual

High Performance Solar

1.0 Introduction

This general manual provides important electrical and mechanical installation information. For correct installation

and stable power output, please read and understand this manual carefully before installing and maintaining the PV

modules. And keep this manual properly for future reference during PV module maintenance or sales.

This manual does not constitute a warranty, expressed or implied. TSC does not assume responsibility and

expressly disclaims liability for loss, damage, or expense arising out of or in any way connected with installation,

operation, use or maintenance of modules.

PV module should be installed in accordance with all safety precautions in this manual and local laws and

regulations, and should be installed and maintained by qualied professionals who have professional skills and

knowledge and are familiar with the mechanical and electrical requirements of the system.

Any questions, please contact with the salesperson or customer service representative of TSC for further

explanation.

1.1 Installation Manual Disclaimer

The installation techniques, handling and use of this product are beyond company control. Therefore, TSC does not

assume responsibility for loss, damage or expense resulting from improper installation, handling, or use.

1.2 Limitation Of Liability

TSC Solar shall not be responsible for any kind of injury, including but not limited to physical injury or property

damage caused by module operation, system installation error or failure to follow instructions in this manual.

2.0 General Principles Of Security

Modules rated for use in this application class may be used in systems operating at greater than 50V DC or 240W,

where general contact access is anticipated. Modules qualied for safety through IEC 61730-1 and this part of IEC

61730 within this application class are considered to meet the requirements for safety class II.

No matter whether the PV module is connected to the system or not, proper protective measures should be used

when touching the PV module, such as insulated tools, safety hats, insulated gloves, safety belts, and safety

insulated shoes. During installing, grounding, and connecting cables, and cleaning modules, the proper electrical

protection tools must be used.

Avoid direct contact with modules, which may cause electric shocks or mechanical cuts.

The installation should comply with the laws and regulations specied by the relevant region and country. If

necessary, obtain the required certicates such as a building permit.

Module installation shall be carried out by qualied professionals with technical knowledge and familiarity with the

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mechanical and electrical requirements of the system. Be aware of the risks of injury, including electric shock, that

may occur during installation.

The modules are applied to ground-mount, roof, and other outdoor environments. Proper design of support

structures is the responsibility of the system designer or installer. When applied to roof installation, the overall re

rating of the nal structure needs to be considered, as well as the overall future maintenance. A roof system can

only be installed on a roof that has been assessed by a construction expert with the results of a formal complete

structural analysis.

Comply with safety regulations for all installed components. For wires and cables, connectors, charging controllers,

inverters, batteries, etc., only the equipment, connectors, wires and brackets that match the solar power system can

be used. If the photovoltaic system uses energy storage batteries, the conguration of the modules should follow

the advice of the battery manufacturer. Only same size modules and specications can be connected in series.

Meaning of crossed –out wheeled dustbin:

yDo not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities.

yContact your local government for information regarding the collection systems available.

yIf electrical appliances are disposed of in landlls or dumps, hazardous substances can leak

into the groundwater and get into the food chain, damaging human health and well-being,

and the environment.

yWhen replacing old appliances with new ones, the retailer is legally obligated to take back

your old appliance for disposals free of charge.

2.1 Electrical Safety

To avoid any form of electrical accident, please strictly follow these electrical safety provisions.

yDamaged modules pose a risk of electric shock and re and should be replaced immediately.

yThe installation of the module array must be carried out in isolation from direct sunlight.

yThe DC voltage generated by module may exceed 30V, avoid direct contact.

yThe serial voltage of modules must not exceed the maximum system voltage.

yEnsure that cables are xed to the mounting system for installing modules.

yDo not connect modules with connectors of different models from different manufacturers.

yProtect cables with conduit in areas accessible to animals and children.

yDo not replace roong and wall materials with modules.

yDo not modify or remove any module or label.

yDo not connect or disconnect modules when there is current or external current.

yDo not install modules without taking protective measures.

yDo not contact the surface of the module with corrosive chemicals.

yDo not use any means other than standard connectors for electrical connection.

yDo not install or operate modules in damp or windy conditions.

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yDo not add any light concentrators to the module system.

yDo not touch the module when it is wet.

2.2 Fire Safety

Before installing modules on a roof, refer to local laws and regulations and comply with building re protection

requirements. The roof shall be covered with a suitable grade of reproof material for roof installation and ensure

that the modules and mounting surfaces are fully ventilated. Different roof structures and installation methods can

affect the re performance of a building. Improper installation may cause a re.

Use appropriate components such as fuses, circuit breakers and ground connectors according to local regulations.

Do not install or use modules near open ames or ammable or explosive objects.

2.3 Transportation Safety

Do not open the packing case before the modules arrive at the installation site. Place the packing case in a dry and

ventilated environment.

During all handling, ensure that the module will not be shaken, dropped to the ground, or impacted by external

objects, as this will damage the module or the solar cells in the module. Do not allow children or unauthorized

persons to handle modules. Improper handling and placement may result in glass breakage or loss of electrical

properties, thus rendering the modules useless.

Handle and install modules with care. Under no circumstances should modules be lifted by lifting junction boxes or

cables. Two or more persons must hold the edges of modules with both hands.

Do not step on, stand on or sit on modules as this can damage modules and risk injury to people.

Do not stack bare modules, do not place any heavy objects on the front or back of modules, and do not place

modules on sharp objects.

2.4 Installation Safety

Comply with safety rules applicable to all installed modules. For wires and cables, connectors, charging controllers,

inverters, batteries, etc., only the equipment, connectors, wires and rails that match the solar power system can be

used.

If the photovoltaic system uses energy storage batteries, the conguration of the modules should follow the advice

of the battery manufacturer.

Do not install or operate in damp or windy conditions, and keep the junction box cover closed.

The glass can protect the module; improper operation may cause the glass to be broken. Damaged modules pose a

risk of electric shock and re. Such modules cannot be repaired and should be replaced immediately.

When sunlight strikes the front of the module, the module generates electricity and the DC voltage may exceed 30V.

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Avoid direct contact with voltage of 30V or higher to avoid danger.

To reduce or avoid the array mismatch effect, it is recommended to connect modules with similar electrical

properties on the same string.

When connecting modules, ensure that the connecting cables are xed on the support frame of the module to limit

the motion of the slack part of the cable.

Comply with the minimum bending radius of the cable (at least 43mm is recommended).

3.0 Electrical Properties

3.1 Electrical Installation

The module product specication lists the specic electrical performance of photovoltaic modules in detail, and the

nameplate of each module is also marked with the main electrical performance parameters under STC conditions

(1000W/m², AM 1.5, cell temperature 25°C). The product specication and nameplate are also marked with the

maximum system voltage of the module.

Under certain environmental conditions, the current or voltage generated by the module may be greater than the

operating current or voltage for standard test conditions (STC). Therefore, when determining the current/voltage

ratings and load values of electrical components, the module short-circuit current under STC should be multiplied by

1.25, and the open-circuit voltage should be corrected according to the calculation formula below:

Maximum System Voltage ≥ N×Voc×[1+λvoc (Tmin-25°C)

While,

N — Number of modules in series strings

Voc — Open circuit voltage value of module under STC (see module nameplate)

λvoc — Open circuit voltage temperature coefcient of the module (see module technical specication)

Tmin — Annual minimum temperature for module installation position (for example, -20 ° C, Tmin = -20)

When determining the appropriate wire and fuse specications, the maximum fuse current rating is selected by

reference to the product specications.

The system electrical design and calculation shall be determined by a qualied electrical engineer, electrician, or

equivalent.

The minimum over-current protection device specication is determined by calculating the maximum expected

current of the photovoltaic system. The maximum over-current protection device specication is mandatory in IEC

61215:2016 and IEC61730:2016 standards.

If there may be a reverse current through the module that exceeds the maximum fuse current, the module must be

protected by over-current protection. If the number of parallel connections is greater than or equal to 2, an over-

current guard must be installed on each assembly.

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Do not install in rainy weather, moisture will lead to insulation failure, especially of open connectors, and risk of

safety accidents.

For specic electrical performance parameters, please refer to the product specications.

3.2 Cables And Wires

The modules use junction boxes with protection class IP68 or above, with connected cables and connectors. The

junction box system of each module is equipped with two separate wires, one positive and one negative, which can

be connected in series by inserting the positive connector of one module into the socket of the negative connector

of the adjacent module.

During installation, do not use lubricating oil or alkane cleaning agents to clean connectors, junction boxes, and

cables.

The cross-sectional area of the cable and the capacity of the connector must meet the maximum short-circuit

current of the module (for a single module, the cross-sectional area of the cable is 4mm2, and the rated cable

temperature ranges from -40 ° c to +90 ° c).

When the cable is xed on the mounting system, it is necessary to avoid mechanical damage to the cable or module.

The cable is xed on the bracket with specially designed light resistant tie and cable guard. The cable is light-

resistant and water-resistant, but still minimize direct sunlight and avoid water soaking the cable.

3.3 Connector

When connecting modules, ensure that the connectors of the same string of modules are from the same

manufacturer, and the connection pairs the modules and the system must also be matched. Mismatching causes

risk of electrical failure and risk of re.

Keep the connectors dry and clean.

Do not connect a connector when it is damp or dirty.

Avoid long term exposure of the connectors to direct sunlight or water.

3.4 Bypass Diode

The junction box system of the TSC module contains bypass diodes and forms a parallel structure with the circuit.

When the solar cells of the module are blocked or damaged, the hot spot phenomenon might occur in part of the

module, the bypass diode will turn on, so that the current no longer ows through the hot spot solar cell, so as to

limit the heating and performance loss of the module.

Note that the bypass diode is not an over-current protector.

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3.5 Grounding

The module uses anodized corrosion-resistant aluminium alloy frames as rigid supports. To protect the module

from lightning and static electricity, and for personal safety, all frames and mounting brackets of the components

must be grounded. If there are no specic regulations, please follow the International Electrotechnical Commission

standard or other international standards. Connect the ground cable with the recommended connection terminal

and x it to the module frame. It is recommended to use 4mm2copper core wire. Figure 1 shows the grounding hole

and its identication on the assembly, and Figure 2 shows the assembly grounding method.

The holes are used for grounding only and cannot be used to install module. Do not drill any additional ground holes

on any frame of the modules. Otherwise, the module warranty will be invalid.

When grounding, the grounding device must fully contact the interior of aluminium alloy, penetrate the oxide lm

on the surface of the frame, and connect the frame of the module and the supporting member to achieve good

grounding effect. Use an aluminium or galvanized steel mounting system to ensure good electrical conductivity.

The ground conductor must be connected to the ground by a suitable ground electrode. You are advised to use a

ground cable accessory (wiring nose) to connect the ground cable. Weld the ground cable into the socket of the

wiring nose, insert the M4 screw into the ring of the wiring nose and the hole in the middle of the module frame, and

secure the cable using a nut. Spring washers should be used to prevent screw loosening resulting in poor grounding.

If the module is used in a high temperature and humidity environment, it is recommended to install an inverter that

can be negatively grounded (gure 3 shows the system voltage polarity conguration).

Figure 1: Ground home and its identication Figure 2: Grounding method

Figure 3: Schematic diagram of grounding potential of inverter

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The module may be grounded using a third party grounding device, provided that the grounding device is reliable

and proven and operated in accordance with the manufacturer’s requirements.

4.0 Handling, Transportation, Storage, & Unpacking

TSC’s module have horizontal packaging and vertical packaging for different products. There are signicant

differences between horizontal packaging and vertical packaging in loading, unloading, transportation and

unpacking. Please be sure to follow the above operations in this manual.

The patterns of horizontal and vertical packing are as

follows:

4.1 Handling, Transportation, & Tran-Shipment

After the module arrived, please immediately check the overall status of the package. If there is any abnormal

condition such as package damage, deformation or skew, please contact the customer service or logistics

personnel of TSC immediately.

Place the module on at ground after transporting it to the installation site.

Forklift to unload

If forklift tools are used, the forklift tools should be reasonably selected according to the size and weight of the

goods. If the fork of the forklift is less than 3/4 of the size of the cargo, it should be covered with an extended fork

assembly to avoid tipping the package when moving the forklift.

Straight-line driving speed control of forklift truck transportation ≤5km/h, turning speed ≤3km/h; During

transportation, the spacing between goods and inserts should be adjusted to the maximum position of the

spacing between pallets.

During loading and unloading, except forklift operators, other personnel should keep away by a safe distance to

ensure personnel safety.

Lifting the unloading

If a crane is used to unload the package, use a dedicated hoisting tool. Select a proper hoisting tool based on the

weight and size of modules. Use a fixing tool of the same size on the top of the package to prevent the lifting rope

from squeezing the package or modules.

Horizontal packaging can lift up to 4 sets of modules at a time, vertical packaging can lift up to 2 sets of modules

at a time.

Tran-shipment

Figure 4: Horizontal packaging Figure 5: Vertical packaging

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If vertical packaging modules need to be transported to the construction project site through secondary

transportation after being transported to the centralized storage site by container or flatbed vehicle, the following

points should be noted:

If forklift truck is used for transport, the forklift truck shall comply with the above requirements for unloading, and

the forklift truck size shall be at least ≥ 3T;

If you use a box truck or other type of vehicle, please use a carriage with guardrail, the height of the guardrail

is not less than 2/3 of the height of the module, and use fastening straps to secure the module to the carriage;

modules should be placed closely with each other, and gaps should not be left.

If the vertical package is turned to horizontal by a turning machine, please note that the flat tray structure is used

as the bearing unit of the module after turning over, and only the frame surface of the module can be used as the

bearing surface of the module after turning over.

Retail packaging

If the modules are not filled when they are shipped, TSC uses wooden frames of the same size as the modules as

packing fillers. The wooden frames are located in the middle of the packaging body, and the scattered packaging

method is exactly the same as the integral packaging method.

4.2 Storage

Please store the modules in a dry and ventilated environment and place the modules on a relatively at ground.

Ensure that the outer package of the modules is intact. Ensure that the pallets and packages are protected from

moisture and direct sunlight in the storage area, and take waterproof (rain) measures.

If the modules are stored in an uncontrolled environment, they must not be stored for more than 3 months.

Long-term storage of modules is recommended to be stored in a standard warehouse. Check for module tilt

anomalies periodically.

Do not soak the tray in water. Take drainage measures on the ground to prevent the wooden pallet from rotting or the

ground from sinking after a rain.

4.3 Unpacking

Please conrm the product model, power, quantity and serial number according to the shipping mark posted on the

container before unpacking. For vertical packaging, please carefully read the unpacking operation instructions and

unpacking support assembly operation instructions. Do not use other unpacking methods other than the unpacking

operation instructions.

yDo not lift the wiring and junction box of the module, hold the frame while carrying.

yDuring handling, do not distort or bend modules due to operation or other weight.

yThe number of modules stacked horizontally should not exceed 18.

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yDo not rely on the backplane to support modules when moving or installing them.

yDo not contact the module with sharp objects to avoid damaging the module.

yVertical packing and unpacking shall not be carried out on non-horizontal or soft ground;

yWhen vertical packing and unpacking, the operator shall not stand behind the reclining surface;

yAfter unpacking, do not place module electrical connectors near any foreign chemical substance.

Horizontal packaging

Applicable product series:

PowerXT-xxxR-PS & PowerXT-xxR-PSL

Horizontal packing and unpacking is the conventional packing method, which will not be specified here. If you

have any questions in the process of unpacking, please contact TSC commercial department to provide specific

information.

5.0 Module Installation

5.1 Installation Environment

yThe module is recommended to be installed in an environment where the operating temperature ranges from

-20°C to 50°C. The maximum operating temperature ranges from -40°C to 85°C, and the humidity is lower than

85%RH.

yWhen installing solar modules on a roof, it is also necessary to leave a safe working area between the edge of

the roof and the outer edge of the photovoltaic module array.

yWhen modules are piled on the roof, the load of the roof should be rechecked, and the construction

organization plan in accordance with the requirements of the code should be formulated.

yFor the northern hemisphere, usually choose the light-facing south installation of the module. If you are in the

southern hemisphere, you usually choose the light-facing north mounting of the module.

yWhen selecting module installation position, should choose full sunlight position, and avoid shade (trees,

buildings, clothing, tools, packing materials and other obstacles), because the shadow will cause loss of output

power.

yThe module should be installed in a well-ventilated place to ensure adequate air circulation on the back and

side of the module to facilitate the release of heat generated while the module is working.

yWhen used in areas with high wind pressure and snow pressure, support xed structures should be designed

in strict accordance with local design specications to ensure that the external load does not exceed the

mechanical strength limit that the system can bear.

yTSC’s modules have passed the salt spray corrosion test of IEC61701, indicating that TSC modules can be

installed in offshore or corrosive environments.

yAt a locations 50m to 500m from the sea, corrosion may occur where the frame of the module is connected

to the support, or where the grounding is connected. Stainless steel or aluminium materials must be used to

contact the photovoltaic module, and the installation part must be treated with anti-corrosion.

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yPlease consult the TSC technical support department for more information on the use of modules in special

climates, such as an altitude greater than 2000m, heavy snow, severe hail storm, hurricane, etc.

5.2 Inclination Choice

The inclination Angle of the photovoltaic module refers to the included Angle between the photovoltaic module and

the horizontal ground. Different projects choose different installation inclination Angle according to local conditions.

Modules connected in series of the same array must be in the same direction and Angle. Different installation

directions and angles cause differences in the total amount of solar radiation absorbed by modules, resulting in a

loss of output power, which reduces the operating efciency of the system.

The maximum power is generated when the sunlight directly illuminates the modules. Consider the power output of

the module in winter when selecting the best installation Angle.

In order to facilitate module cleaning and wash away dust on module surface when it rains, for detailed installation

Angle, please follow the advice given by experienced PV module installers.

5.3 Mechanical Installation

Ensure that the module installation strong enough, supporting system must be able to withstand the mechanical

load pressure, third party testing institutions to test, using international standards or national standards.

The mounting bracket of the component must be made of materials that are resistant to corrosion, rust and UV.

Modules must be securely mounted on system supports.

Do not drill additional mounting holes in the frame or glass. Otherwise, the module warranty will be invalid.

The support structure of modules has thermal expansion and cold contraction effect. To avoid affecting the

performance and use of modules, it is recommended that the minimum distance between the two module is 10mm.

To ensure good ventilation of modules and reduce load, it is recommended that the installation distance between

two modules is 30mm.

In areas with heavy snow in the winter, choose a high mounting bracket so that the lowest point of the module is

not covered by snow for a long time, and the lowest point of the module is high enough to prevent the module from

being obscured by plants or trees.

The support surface of the installation bracket must be at, without distortion or deformation, and there is no up

and down dislocation between the connected brackets.

The assembly installation method should not result in electro-chemical corrosion between the aluminium frame and

different metals.

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5.4 Location Choice

Roof

When installing on a roof or building, ensure that the modules are securely secured and will not be damaged

or dropped by strong winds or snow. Provide a special mounting bracket for roof installation if necessary. The

building code used for roof installation should be checked to ensure that the building and structure to which the

modules are installed have sufficient load-bearing and watertight properties. The roof through which the fixed

modules are installed should be sealed to prevent rainwater leakage.

To facilitate operation, reduce water vapor condensation, and promote ventilation and heat dissipation for

modules, ensure that the modules are parallel to the surface of the wall or roof of the building. The distance

between the modules and the surface of the wall or roof is at least 115mm. In this way, the air circulation at the

rear of the modules facilitates heat dissipation and prevents cable damage. Ensure that the modules are installed

on a fireproof roof. The module has a fire rating of C and is suitable for installation on a roof with fire rating of A or

higher.

For a roof system with heavy snow or heavy snow history in the installation area, the customer shall support and

reinforce the bottom module frame of the entire system to ensure that the bottom module is protected from top-

down snow push and pressure damage and damage to the module caused by daytime snow melt and icing.

Ground-Mount

Select an appropriate installation height for ground installation to prevent the lower part of the module from

being covered by snow for a long time in winter. Install the modules on a support of an appropriate height. Do not

lay the modules directly on the ground. In addition, ensure that the minimum part of the module is not less than

900mm above the ground to avoid being obscured by plants or trees, to avoid being damaged by blown sand or

being obscured by soil splashed by rain.

6.0 Installation Guide

Modules must be installed according to the installation instructions to comply with IEC requirements.

Connections between modules and support systems can be installed using mounting holes in the frame, or with

clamps

If the installation method used is different from the recommended installation method, please get approval from

TSC. Otherwise, modules may be damaged and the warranty may be invalid.

In extreme weather conditions or user-dened installation methods, strengthen key connections to prevent damage

to modules or system connections.

The loads described in this manual are test loads. According to IEC installation requirements, a factor of 1.5

should be considered when calculating the corresponding maximum design load. The design load of the project

depends on the project location, local climate, support structure and related specications. Support suppliers and

professional engineers are responsible for determining the design load. For more detailed information, follow local

laws and regulations as well as instructions from structural engineers.

6.1 Installation Method: Bolting

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The modules are bolted to the support structure using mounting holes of the frame.

Each module must be securely fastened at a minimum of 4 points on two opposite sides.

Bolts and nuts M8 X 1.25-Grade 8.8 hot dip galvanized or A2-70 stainless steel should be used.

The yield strength of bolts and nuts must not be less than 450MPa.

According to bolt class, tightening torque of M8 coarse tooth bolt is 16~20Nm.

Installation in heavy snow or high wind load areas, use additional mounting holes.

Use stainless steel at washers with thickness≥1.5mm and diameter size ≥18mm.(Please refer to the frame section

drawing provided by TSC Solar energy to select the upper limit at washer that can be operated)

Modules shall be bolted to the position of the following mounting holes according to the structure and load

requirements:

Inner four mounting hole installation (mounting hole size: 9*14mm)

Installation rail vertical to the long side of the module, applicable type:

PowerXT-xxxR-PS

Mechanical Load

Front side: ≤5400Pa Rear side: ≤2400Pa

Note: The height of the frame which called “B”side is 35mm.

Figure 6: Bolt installation methods

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6.2 Installation Method: Clamps

Use a certain number of clamps to secure the modules to the mounting rail. TSC recommends that xtures be

clamped to the frame of module.

The clamps shall be made of anodized aluminium alloy or stainless steel.

The length and thickness of the clamp recommended by TSC are ≥50mm and 3mm respectively.

The contact width between the clamps and the a side of the frame is in the range of 7 ~ 11 mm.

Install and tighten on the mounting rails with the torque specied by the mounting components manufacturer.

The clamps is installed with M8 × 1.25 bolts and nuts. For M8 heavy thread bolts, the tightening torque should be

between 16 Nm and 20 Nm depending on the bolt grade.

When installing the clamps, do not touch the front glass, and do not scratch or deform the aluminium frame during

the installation process. At the same time, the clamps cannot affect the operation of the module and make sure that

the drainage hole and the grounding hole are not blocked.

Each module requires at least four clamps to be secured, and at least two clamps for each long or short frame,

depending on local application conditions (wind and snow conditions) , an additional number of clamps may be

required to ensure that the modules and systems bear the corresponding loads, as shown in Figures 7.

Clamp position is critical to the reliability of installation. Center line must be installed as described in the following

table according to structural and load requirements.

Figure 7: Specic installation of clamps

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Inner four mounting hole installation (mounting hole size: 9*14mm)

Module Type A Range (mm) Max Mechanical Load (Pa)

PowerXT-xxxR-PS 285-385 Front side: ≤5400Pa

Rear side: ≤2400Pa

7.0 Maintenance

Modules need to be inspected and maintained regularly, especially during the warranty period. To ensure optimum

performance of the modules, the following maintenance measures are recommended.

7.1 Cleaning

When modules are working, there should not be environmental inuence factors to cause shadows in the modules,

such as other modules, supporting rail, plants, large amount of dust etc., which may directly reduce the power

output and may even cause a local hot–spot effect. Therefore clean the glass surface on a regular basis. For clean

modules take measures such as:

yThe frequency of module cleaning depends on the speed of accumulation of dirt, the rain on the module

surface is cleansing under normal circumstances, but you may still need to use a soft sponge or cloth (either

dry or damp) to clean the module, rough materials shall not be used for cleaning in any case, and acid or alkali

cleaner to remove dirt is not recommended.

yAvoid local heavy weight on the module during cleaning, which will lead to module glass deformation, damage

the solar cells, and lead to reduced service life of modules.

yRemove snow on modules in a timely manner to avoid damage to modules caused by long-term snow

accumulation and snow melting and freezing.

yDo not pierce the back-sheet when cleaning the back of the module.

yIt is recommended to clean the modules in the early morning or evening when the light is not strong and the

module temperature is low, especially in locations with high temperatures.

yDo not attempt to clean modules with damage such as broken glass or with exposed wires, which may cause

Safety, Installation, and Operations Manual

High Performance Solar

electrical shock.

7.2 Visual Inspection

Please carefully check the modules of the existence of visual defects, focusing on the following items:

yCheck if the module glass is broken.

yCheck if the front of the module is obstructed by foreign objects or other obstacles.

yCheck the module back-sheet whether there is hot, swollen region, burned through traces or other damage.

yCheck whether the cell bus–bars are corroded, if encapsulation materials of the module has delamination or

bubbles.

yCheck the tightness of the mounting bolts and the tightness of the electrical connections at the connection

points between the modules and the supporting rail.

7.3 Inspection of Connector & Cable

If safely accessible, it is advisable to carry out a preventive check every 6 months and check the following:

yCheck Junction box adhesive for cracks or delamination.

yCheck the connector interface sealing and whether there is loose, melt deformation, aging or corrosion.

yCheck that the cable connections are secure and that the modules are properly grounded.

yWhen module is found to be defective, consult a qualied service technician. If servicing is required, it should

be serviced by a qualied service technician.

yModule exposure generates high voltages in the sun, so cover the modules with opaque material when

servicing modules to prevent electrical shock.

yNote:

If any problems are found during the maintenance, ask the professional service personnel for conrmation;

If using maintenance and repair measures not included in this manual, consult your local installer for

professional support.

Safety, Installation, and Operations Manual

High Performance Solar

TSC PowerHome B.V.

Barbara Strozzilaan 201 1083HN

Amsterdam, Netherlands

tscpowerhome.eu

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