Sunman eArc Manuale utente
eArc
off-grid PV system
Installation Manual
Contents
1.0 Summary..................................................................................................................1
1.1 Disclaimer ........................................................................................................1
1.2 Responsibility ..................................................................................................1
1.3 Copyright and Trademark Information ............................................................1
1.4 Warranty Warnings...........................................................................................1
1.5 For Further Informatio .....................................................................................1
2.0 Safety precautions....................................................................................................2
3.0 Mechanical / electrical properties ............................................................................4
4.0 Storage and unpacking.............................................................................................5
5.0 Installation................................................................................................................6
5.1 Module wiring..................................................................................................8
5.2 Grounding ........................................................................................................8
6.0 Installation instructions............................................................................................9
6.1 Module and tools..............................................................................................9
6.1.1 Module ..................................................................................................9
6.1.2 Construction tools .................................................................................9
6.2 Construction Precautions ...............................................................................10
6.3 Precautions and Tips for Gluing Modules .....................................................10
6.4 Construction plan...........................................................................................11
6.4.1 Cleaning the roof surface ....................................................................11
6.4.2 Positioning and releasing the line .......................................................11
6.4.3 Gluing plan..........................................................................................13
6.4.4 Pasting modules ..................................................................................15
6.4.5 Attaching modules ..............................................................................16
6.4.6 Installation of mobile surface..............................................................17
6.4.7 Wiring and testing ...............................................................................18
7.0 Maintenance...........................................................................................................19
Annex A .......................................................................................................................20
Annex B .......................................................................................................................21
Adhesive area.......................................................................................................21
Annex C .......................................................................................................................23
Cleaning agent .....................................................................................................23
© 2021 Sunman (Zhenjiang) Company Limited。All rights reserved. Specifications included in this manual are subject to change without notice.
www.sunman-energy.com
version 2021A page1 / 20
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1.0 Summary
This guide contains information regarding the installation and safe handling of Sunman
(Zhenjiang) Company Limited eArc off-grid PV system. Sunman (Zhenjiang)
Company Limited referred to as “SUNMAN”. Users and installers must read and
strictly follow it. Failure to follow these safety guidelines can result in personal injury
or property damage. The installation and operation of solar modules require specialized
skills, and only professionals can do the job. Please read the safety and installation
instructions before using and operating the modules. The installer must inform the end
customer (or consumer) of the above matters accordingly.
1.1 Disclaimer
SunMan reserves the right to change this installation manual without prior notice.
SunMan does not guarantee any express or implied information contained in this
manual.
Failure in operating according to instructions in this manual during installation will
cause the warranty invalid.
1.2 Responsibility
SunMan is not responsible for any form of injury, including but not limited to
physical injury and property damage caused during module operation, system
installation and whether operated in accordance with the instructions in this manual.
1.3 Copyright and Trademark Information
Copyright © 2021 by Sunman (Zhenjiang) Company Limited. All rights reserved. eArc
and the SUNMAN logo are trademarks of Sunman (Zhenjiang) Company Limited.
1.4 Warranty Warnings
“WARRANTY VOID IF NON-SUNMAN-CERTIFIED HARDWARE IS ATTACHED
TO eArcTM PV System.”
1.5 For Further Informatio
For additional technical support documentation, please visit the Support page of the
SUNMAN website at www.sunman-energy.com
© 2021 Sunman (Zhenjiang) Company Limited。All rights reserved. Specifications included in this manual are subject to change without notice.
www.sunman-energy.com
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2.0 Safety precautions
WARNING: Please read and understand all safety instructions
before installing, wiring, operating, or maintaining modules. DC
power is generated when the module is exposed to sunlight or
other light sources. Direct contact with live parts of the module,
such as terminals, whether connected or not, may result in
personal injury or death.
Safety rules
◼All installation work must be in full compliance with local regulations and
corresponding national or international electrical standards.
◼Use insulated tools to reduce the risk of electric shock.
◼Use appropriate protective measures (slip gloves, overalls, etc.) to avoid direct
contact with workers at 30V DC or higher, while avoiding direct contact with
sharp edges during installation to protect the operator's hands.
◼Do not wear metal ornaments when installing, to avoid puncturing the modules
and causing electric shock.
◼If modules are installed or operated on rainy days, strong winds or dew
mornings, appropriate protective measures should be taken to avoid injury to
modules and workers.
◼Children or unauthorized personnel are not allowed to access the installation
area or module storage area.
◼If the circuit breaker and overcurrent protection circuit breaker cannot be
opened, or if the inverter cannot be turned off during the module installation
or wiring, cover the array modules with opaque material to stop the power
output.
◼Do not use or install damaged modules.
◼If the module surface is damaged or worn, direct contact with the surface of
the module may result in electric shock.
◼Do not attempt to repair any part of the module, there are no user-accessible
components within the module.
◼The cover of the junction box should remain closed at all times.
◼Do not split the modules or move any part of the module.
© 2021 Sunman (Zhenjiang) Company Limited。All rights reserved. Specifications included in this manual are subject to change without notice.
www.sunman-energy.com
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◼Do not artificially condense light on modules.
◼Do not connect or disconnect modules when there is current in the module or
external current .
© 2021 Sunman (Zhenjiang) Company Limited。All rights reserved. Specifications included in this manual are subject to change without notice.
www.sunman-energy.com
version 2021A page4 / 20
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3.0 Mechanical / electrical properties
The rated electrical performance data for the modules is measured under standard test
conditions (STC) of irradiance of 1000 w/m2, AM 1.5, and cell temperature of 25 °C.
The specific electrical and mechanical performance parameters of Sunman eArche
modules are included in Annex A of this installation manual. The main electrical
performance parameters under STC conditions are also marked on the nameplate of
each module. The maximum system voltage for all modules is 1000V.
In some cases, the current or voltage generated by the module may be greater than the
optimal operating current or voltage of its standard test condition (STC). Therefore,
when determining the component rating and load value, the module open circuit voltage
and short circuit current at STC should be multiplied by 1.25.When determining the
appropriate wire and fuse specifications, the short-circuit current needs to be multiplied
by 1.25 (ie, the total is multiplied by 1.56) according to local regulations.
© 2021 Sunman (Zhenjiang) Company Limited。All rights reserved. Specifications included in this manual are subject to change without notice.
www.sunman-energy.com
version 2021A page5 / 20
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4.0 Storage and unpacking
Precautions and general safety rules
◼Store modules in a dry and ventilated environment.
◼The modules must be transported in the package provided by Sunman and
stored in the original package before installation. Please protect the packaging
from damage. Open the package according to the recommended unpacking
steps. Care must be taken during unpacking, shipping, and storage.
◼Do not apply excessive loads on the modules or twist the modules.
◼Do not carry the modules through the wires or junction boxes of the modules.
◼Do not stand, climb, walk or jump on modules.
◼Do not allow sharp objects to touch the modules. Scratches can directly affect
the safety of the modules.
◼Do not place the modules in an environment where there is no reliable support
or is not fixed.
◼Do not change the wiring method of the bypass diode.
◼Keep all electrical connections clean and dry.
Product identification
◼Barcode: each individual eArc has a unique serial number. The serial number
has 18 digits. The 1th to 4th digits are the module type for internal use, and 5th
to 8th digits are the year code, and the 9th and 10th digits are the month code,
and the 11th and the 12th digits are the week code, and the 13th and 14th digits
are the month code, and the 15th to 17th digits are order number, and the 18th
to 21th digits are the sequence codes. For example, xxxx20210415xxxxxxxxx
means the module was made in the 15th week of 2021. Each module has only
one bar code. It is permanently attached to the interior of eArc and is visible
from the top front of eArc. This bar code is inserted prior to lamination.
◼There is a nameplate, which shows the model number, main electrical
properties and safety specifications, on the back of each module.
© 2021 Sunman (Zhenjiang) Company Limited。All rights reserved. Specifications included in this manual are subject to change without notice.
www.sunman-energy.com
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5.0 Installation
Precautions and general safety rules
◼Before installing the modules, please contact the relevant department to obtain
information about the installation site and the construction permit, and also
comply with the installation and inspection requirements.
◼Check the applicable building codes to ensure that the building to be installed
and its structure (roof, facade, load-bearing, etc.) has sufficient load-bearing
capacity.
◼During installation, make sure that the modules are installed on a fire-resistant
roof. According to UL790 standards, Sunman eArche modules are rated as fire
rating C.
◼The eArche modules are compliant with application level A (equivalent to
safety level II, IEC 61730-1). This type of modules can be used in systems
where the public is likely to come into contact with voltages greater than 50V
or power greater than 240W.
Environmental conditions
The modules are suitable for general climatic conditions, ie with reference to IEC
60721-2-1- Classification of environmental conditions Part 2-1: Environmental
conditions occurring in nature - temperature and humidity.
◼If the modules are used in a special installation environment, please consult
the technical support department of Sunman in advance.
◼The modules must not be installed near flames or flammable objects.
◼Do not expose modules to artificial condensing light sources
◼The modules should not be immersed in water (pure water or salt water) or in
long-term water environment (pure water or salt water) (eg fountains, sprays,
etc.).
◼If the module is placed in a salt mist (ie marine environment) or in an
environment containing sulfur (ie, sulfur sources, volcanoes, etc.), there is a
risk of corrosion.
Failure to follow the above precautions, Sunman Warranty will be invalid.
Installation requirements
◼Make sure the modules meet the overall technical requirements of the system.
© 2021 Sunman (Zhenjiang) Company Limited。All rights reserved. Specifications included in this manual are subject to change without notice.
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◼Ensure that components of other systems do not cause damaging mechanical
or electrical performance effects on the modules.
◼Allow modules in series to increase voltage or in parallel to increase current.
When connected in series, the positive pole of the module is connected to the
next negative pole. When connected in parallel, the positive pole of the module
is connected to the positive pole of the next module.
◼The number of bypass diodes provided varies depending on the module model.
◼Connect the appropriate number of modules according to the voltage
specifications of the inverter used in the system. Even at the worst local
temperature conditions, the connected modules must produce no more than the
voltage allowed by the system. If overcurrent protection devices (fuse) are not
used in series within each string of modules, up to two strings of modules can
be connected in parallel. If a suitable verified overcurrent protection device is
connected in series with each string of modules, three strings or more modules
can be connected in parallel.
◼In order to avoid (or reduce) the mismatch effect of the array, it is
recommended to connect modules of similar electrical performance on the
same string.
◼In order to reduce the risk of indirect lightning strikes, loops should be avoided
when designing the system.
◼The modules should be securely fastened to withstand all possible loads,
including wind and snow loads.
Optimal orientation and inclination
◼In order to achieve maximum annual power generation, the optimal orientation
and inclination of the PV module should be determined first. The maximum
electrical energy is typically generated when sunlight is directed onto the PV
module.
Avoid shadows
◼Even small shadows (such as dust) can cause a drop in power generation. If all
surfaces of the module are uncovered throughout the year, the module is
considered "no shadow". Ensure that the sun shines on the modules even on
the shortest day of radiation all through the year.
◼EVA aging caused by frequent occlusion of modules and long-term heating of
the diode can affect the lifetime of the module.
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