Installation Manual
HighEfficiency Half-CellModule
Introduction
This manual contains information about electrical and
mechanical installation of the solar panels: DNA-120
and DNA-144 Series
Disclaimer of Liability
Installation techniques and methods of this product is
beyond Aptos Solar
Technology’s control. AST doesnot
assume responsibility of loss or damage resulting from
improper installation, handling or use. AST disclaims liability
for damage, loss, expense arising out of, or in any way
connected with installation, use or maintenance by using this
manual
Regulation Information
This certified product meets the UL1703 standard for
maximum system voltage of 1500V with maximum
overcurrent protection rating of 20A. The installer or system
integrator is assumed the responsibility to ensure compliance
with all local electrical codes which may be applicable.
Warnings & Safety
Solar panels generate electricity when exposed to light,
which can cause lethal shock and burnhazards.
Only authorized, qualified and trained installers should
handle these solar panels. Do not touch live terminals with
bare hands. Work only in dry weather with dry solar panels
and tools.
Do not make connections while under load. Do not
disconnect under load. Use insulated tools for electrical
connections. Do not step or stand on the solar panel. Do not
disassemble the solar panel or junction box.
Carry panel with two or more person. Do not carry by its
wires or junction box. Wear non-slip, suitable gloves and
protective clothing.
Do not install the solar panel where flammable vapors or
gasesare present. Do not install in corrosive environment.
Do not direct artificially concentrated sunlight on solar panel.
Fire Rating
If mounted over a roof, the solar panel shall be mounted
over a fire resistant roof covering rated for the application.
Refer to local authority for guidelines and regulations for
building fire protection and required slope.
The module
fire performance rating is Type I.
Installing the Panel
Aptos Solar Technology panels may be installed invarious
applications. The particular mounting is to be defined by
the system designer. Installer must handle and mount the
modules to prevent any impact on front surface, back
surface, and frames as this could result in damage.
Support structures used to support AST DNA panels should
be wind rated and approved for use by the appropriate
codes prior to installation. In addition, they must be
designed from materials that retain structural integrity over
the 25 years lifespan of the panels they support.
AST DNA panels may be installed in portraits or landscape
orientation.
A minimum of tilt angle of 5 degrees is required to ensure
drainage and enable rain water.
The junction box edge should be at the top when mounted
in portrait orientation.
Specific rails and frame clips approved by AST are listed in
Table 1. Alternative rails and frame clips/fasteners need to
be approved by AST to ensure compliance toUL1703 safety
standard.
Framecross-section
Module Wiring
AST DNA panels are pre-wired and terminated with MC4-
compatible connectors.
Connections to other panels should use compatible
connectors that comply with Code requirements
ASTrecommends that all wiring be double insulated with a
minimum rating of 90 C, and wiring should use flexible
copper conductors where minimum size should be
determined by theapplicable Codes.
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All Rights Reserved. DNA-120/144 Installation Manual Rev 0.0
