Omnispower 20231023 Photovoltaic Module Installation Guide
- June 1, 2024
- Omnispower
Table of Contents
20231023 Photovoltaic Module
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Specifications:
- Product Name: OMNIS Power Photovoltaic Module
- Model Number: 20231023
- Version: 011
Product Information:
The OMNIS Power Photovoltaic Module is a high-quality solar
panel designed to efficiently convert sunlight into electricity. It
is suitable for residential, commercial, and industrial
applications, providing a reliable source of clean energy.
Product Usage Instructions:
1. Safety Precautions
1.1 Warning:
Ensure all safety precautions are followed to prevent accidents
or injuries during installation and maintenance.
1.2 General Safety:
Always wear appropriate protective gear when handling the
photovoltaic module to avoid any potential hazards.
1.3 Handling Safety:
Handle the module with care to prevent damage to the surface and
components.
2. Installation
2.1 Installation Safety:
Prioritize safety during the installation process by following
the recommended guidelines and procedures.
2.2 Installation Method:
Follow these steps for proper installation:
-
Mechanical Installation and Warning: Securely
mount the module using appropriate fixtures and follow all warnings
related to mechanical stress. -
Grounding: Ensure proper grounding to prevent
electrical hazards. -
Electrical Installation: Connect the module
following electrical installation guidelines to ensure optimal
performance.
3. Module Maintenance
3.1 Panel Visual Inspection and Replacement:
Regularly inspect the module for any visual defects or damage.
Replace any faulty components promptly to maintain efficiency.
3.2 Connector and Cable Inspection:
Check connectors and cables for wear or damage. Replace any
damaged parts to prevent electrical issues.
FAQ:
Q: How often should I inspect the photovoltaic module?
A: It is recommended to perform visual inspections at least once
every six months to ensure optimal performance.
Q: Can the photovoltaic module be used in harsh weather
conditions?
A: The module is designed to withstand various weather
conditions, but regular maintenance and inspections are necessary
for long-term durability.
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INSTALLATION GUIDE
OMNIS POWER PHOTOVOLTAIC MODULE
20231023
011
USER MANUAL
User Manual ……………………………………………………………………………………………………………………….. 1
1. INTRODUCTION FOR USER ANUAL ………………………………………………………………………………… 2
1.1
DISCLAIMER ……………………………………………………………………………………………………. 2
1.2
LIMITATION OF LIABILITY …………………………………………………………………………………. 2
2. SAFETY PRECAUTIONS ……………………………………………………………………………………………….. 2
2.1
WARNING ………………………………………………………………………………………………………… 2
2.2
GENERAL SAFETY …………………………………………………………………………………………… 2
2.3
HANDLING SAFETY ………………………………………………………………………………………….. 2
3. UNLOAD / TRANSPORTATION / STORAGE ………………………………………………………………………. 3
3.1
MAKERS ON OUTER PACKAGING …………………………………………………………………….. 3
3.2
UNLOADING WARNNING …………………………………………………………………………………. 4
3.3
SECONDARY TRANSPORT AND WARNNING ……………………………………………………. 5
3.4
STORAGE ………………………………………………………………………………………………………… 6
4. UNPACKING INTRODUCTION ……………………………………………………………………………………….. 6
4.1
UNPACKING SAFETY ……………………………………………………………………………………….. 6
4.2
UNPACKING STEP …………………………………………………………………………………………… 6
5. INSTALLATION …………………………………………………………………………………………………………….. 8
5.1
INSTALLATION SAFETY …………………………………………………………………………………… 8
5.2
INSTALLATION METHOD ………………………………………………………………………………….. 8
5.2.1 MECHANICAL INSTALLATION AND WARNING ……………………………………………………. 8
5.2.2 GROUNDING ……………………………………………………………………………………………………… 8
5.2.3 ELECTRICAL INSTALLATION ………………………………………………………………………….. 16
6. MODULE MAINTENANCE FOR PV MODULE PV …………………………………………………………….. 17
6.1
PANEL VISUAL INSPECTION AND REPLACEMENT ……………………………………………. 17
6.2
CONNECTOR AND CABLE INSPECTION …………………………………………………………… 18
6.3
CLEANNING …………………………………………………………………………………………………… 18
6.3.1 MODULE INSPECTION AFTER CLEANING ……………………………………………………….. 19
6.3.2 TROUBLESHOOTING ……………………………………………………………………………………… 19
Attachment 1: SITE SELECTION and Title Angle ………………………………………………………………….. 19 Attachment 2: INVERTER SELECTION AND COMPATIBILITY ……………………………………………….. 20 Attachment 3: IINSTALLATION OF REC TWINPEAK 5 SERIES PANELS ………………………………… 21
Omnispower Engineering SPA User Manual
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1. INTRODUCTION FOR USER MANUAL This Manual applies to the installation,
maintenance and use of the solar modules manufactured by Omnispower
Engineering SPA (hereinafter referred to as “Omnispower Engineering SPA”).
Failure to follow these safety instructions could result in personal injury or
property damage. Installation and operation of solar modules require
specialized skills, and only professional personnel can engage in the work.
Please read the “Safety and Installation Instructions” carefully before using
and operating the modules. The installer must inform the end customer ( or
consumer) of the above matters accordingly. The term ” Module” or ” PV Module”
in this Manual refers to one or more solar modules. Please keep this Manual
for future reference. 1.1 DISCLAIMER Omnispower Engineering SPA reserves the
rights to change this installation Manual without prior notice. Failure of the
customer to follow the requirements outlined in this Manual during the
installation of the module will result in the invalidity of product’s limited
warranty 1.2 LIMITATION OF LIABILITY Omnispower Engineering SPA is not
responsible for any form of damage, including but not limited to module
operation and system installation error, and personnel injury, hurt, and
property loss resulting from failure to follow the instructions in this
Manual.
2. SAFETY PRECAUTIONS 2.1 WARNING Before installing, wiring, operating, or
maintaining Omnispower Engineering SPA modules, you should read and understand
all safety precautions. Direct current (DC) is generated when the cells
surface of the module is exposed to direct sunlight or other light sources,
and direct contact with the live parts of the module, such as terminals, may
result in death of personnel whether connected to the module or not . 2.2
GENERAL SAFETY All installation work must comply with the local codes and the
relevant international electrical standards. Omnispower Engineering SPA
recommends that PV module installation is conducted by personnel with
experience in PV system installation. Operation by personnel who are not
familiar with the relevant safety procedures will be very dangerous. Do NOT
allow unauthorized persons to access the installation area or module storage
area. Do NOT install modules with damaged glass Do NOT disassemble or move any
part of the module. Do NOT artificially focus light on the module. Do NOT
connect or disconnect the module when it is energized or connected with an
external power supply 2.3 HANDLING SAFETY Do NOT stand, walk on or lean on the
module directly.
Do NOT damage or scratch the front or backside surfaces of the module. Do NOT
scratch the output cable or bend it with force. The insulation of output cable
can break and may result in electricity leakage or shock. Do NOT use water to
extinguish fires of an electrical origin. Do NOT install or handle modules
when they are wet or during periods of high wind. At the installation
Omnispower Engineering SPA User Manual
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site, take care to keep modules and in particular their electrical contacts,
clean and dry before installation. If connector cables are left in damp
conditions then the contacts may corrode. Any module with corroded contacts
should not be used.
Please do NOT loosen or unscrew the PV module bolts. This may lead to a
reduction of the module’s load rating and potential damage from a fall.
Do NOT drop PV modules or allow objects to fall down on the PV modules.
Do NOT touch the terminal box or the ends of the output cables (connectors) with bare hands under sunlight, regardless of whether the PV module is connected to or disconnected from the system.
3. UNLOAD / TRANSPORTATION / STORAGE Precautions and general safety rules:
The modules should be stored in the original Omnispower Engineering SPA
package before installation. Protect the package from damage. Unpack the
modules as per the recommended unpacking procedures. The whole process of
unpacking, transport and storing should be handled with care;
Do NOT stand, climb, walk or jump on unpacked pallets of modules;
Before installation, ensure that all modules and electrical contacts are clean and dry;
If the modules are required to be stored temporarily, they should be stored
under dry and ventilated conditions;
Unpacking must be carried out by two or more persons at the same time. It is
forbidden to use the wires or junction boxes of the modules to carry the
modules. Handling the modules requires two or more people with non-slip
gloves; Do NOT handle the modules over-head or stack the modules;
Do NOT put the modules in a place that is not supported or stable;
Do NOT allow the modules to come in contact with sharp- pointed objectives to prevent them from scratches, avoiding a direct impact on the safety of modules.
3.1 MAKERS ON OUTER PACKAGING
3. 1.1 Do NOT discard the modules at will; special recycling is required
3. 1.2 Modules must be kept dry, not expose to rain
or moisture
3. 1.3
3. 1.4
Modules in carton are fragile, which must be handled The packaging must be transported upright
with care
3. 1.5 Do NOT step on the package and module
3. 1.6 The carton can be recycled
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3. 1.7 Modules shall be stacked as required, not exceeding the
maximum number of layers printed on the outer packaging. ( n= 2 means no more
than two layers and
n = 3 means no more than three layers)
3. 1.8 One module shall be handled by at least two
persons together
3. 1.9 When the carton box is loading and uploading in the transportation.
Attention: Prevent collision on the top
3.2 UNLOADING WARNNING
3.2.1 Use the correct (as picture) lifting fixture to handle, no more than 2
pallets per lift. Before lifting, please confirm the tray and the carton are
NOT damaged and the hoisting rope is firm and solid. Before lowering the
carton back on the ground, two persons must support the two sides of the
carton gently to put it on a relatively flat place.
3.2.2 If the condition permits, use a fork lift to remove the module pallets from the truck
Put the modules on level ground
3.2.3 Store the module in a dry and ventilated place
3.2.4 Do not stack the modules at the project site.
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3 . 2 . 5 Cover all of parts of the package with waterproof material to
prevent the panel package and plate from moisture.
3.3 SECONDARY TRANSPORT AND WARNING
3.3.1 Do NOT remove the original packaging if the modules require long-
distance transport or long- term storage.
3 .3.2 The finished package can be transported by land, sea or air. During transport, make sure that the package is fixed with packing straps securely to the shipping platform without movement.
3.3.3 Transport: Do Not Stack more than two layers on truck.
3.3.4 Only one layer stacking is only allowed for small truck.Make sure that the package is fixed with packing straps securely to the shipping platform without movement.
3.3.5 Only one layer stacking is only allowed for transport at the project site.
3.3.6 No transport or handling by pedi-cab as shown below.
3.3.7 Do Not transport the modules with rope as 3.3.8 Do Not carry the modules on the back of one
shown below:
person as shown below:
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3.4 STORAGE Long-term storage in warehouse
Do NOT remove the original packaging if the module requires long- distance
transport or long- term storage. Do NOT expose the modules to rain or
moisture. Store the finished product in a well ventilated, waterproof, dry and
smooth place.
Storage: Do Not Stack more than 2 layers (moisture85%, temperature range from
-20°C to + 50 °C) Storage in project site:
The module must be installed as soon as possible in the project site and must
not be exposed to rain or damp. Omnispower Engineering SPA shall not be
responsible for any damage or collapse of the modules caused by moisture in
the packaging.
4. UNPACKING INTRODUCTION
4.1 UNPACKING SAFETY For unpacking outdoors, it is prohibited to operate in
rainy conditions. Because the carton will become soft and damaged after it
gets wet in the rain. The stacked PV modules (hereinafter referred to as
“modules”) may tip over, which may cause damage or injury to personnel. For a
windy site, it is necessary to pay special attention to safety. Especially, it
is NOT recommended to transport the modules in high wind conditions. The
unpacked modules must be tied down to avoid any unwanted movement. The work
surface is required to be level to ensure that the package can be placed
stably, avoiding sliding.
Wear protective gloves during unpacking to avoid hand injury and fingerprints
on the glass surface. Module information and unpacking instructions can be
found on the outside of each package. Please read the instructions before
unpacking.
Each module shall be handled by two persons. It is forbidden to use the wires
or junction boxes of the modules to carry the module. Do Not take the module
out of the carton by pulling on the long side frame.
4.2 UNPACKING STEP of FRAMED DUAL-GLASS MODULE SERIES
4.3.1
4.3.2
Put the carton box on a level surface. Cutting the Taking away 4 plywood protectors.
packing belts with blade or scissor.
Packing belts
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4.3.3 Taking down the upper carton box. Before unpacking, please check the product name, serial number and related suggestions on the A4 paper. Please read the unpacking instructions carefully. NO other customized unpacking method is allowed.
4.3.4 Cut the two packing belts at shorter sides of the tray with blade or scissors, and unpack the side surface of the carton along the vertical direction.
Unpacking instructions
A4 paper (product name, serial number, related suggestions, etc.)
4.3.5 Cut the tape at shorter edge and hold it up by 90°
from the bottom; and pull out the cardboard to
expose the modules.
4.3.6 Cut the two horizontal packing belts in the
carton and cut the two packing belts near the
bottom of the tray, and remove the packing belts
4.3.7 When unpacking on a level surface, take out the
module from one side of package to the other, and then carry it with two
persons (Please refer to 3.1.8) W hen unpacking on a sloping surface, please
protect the modules from tipping over or sliding. As shown below.
4.3.8 Do NOT lean the module on the mounting posts;
4.3.9 If all the modules are NOT removed after unpacking and some of them are left in the package,the remaining modules shall be laid flat and repackaged to prevent from falling down.Must be placed by horizontal. The stacked number of modules:Stacked NO MORE than 16 pieces.
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5. INSTALLATION Omnispower Engineering SPA modules may be installed in
extreme environmental conditions to produce energy for more than 30 years. In
addition to the required IEC certifications, Omnispower Engineering SPA
products have also been tested to verify resistance to ammonia fumes that may
be present around barns sheltering cattle, as well as suitability for
installation in humid (coastal) areas and areas of high sandstorms (desert).
5. 1 INSTALLATION SAFETY Omnispower Engineering SPA Modules can be mounted in
landscape or portrait orientation however the impact of dirt shading the solar
cells can be minimized by orienting the product in landscape. Always wear dry
insulation protection equipment: insulated tools, head gear, insulated gloves,
safety belt and safety shoes (with rubber soles).
Do NOT wear metallic jewelry which can cause electric shock during
installation.
Do NOT install modules under rain, snow or windy conditions.
Please keep the connector dry and clean during installation to avoid the risk
of electric shock. It is recommended to install it immediately after
unpacking.
Due to the risk of electrical shock, do NOT perform any work if the terminals
of PV module are wet. Please install immediately after unpacking.
Our module application class is class A, modules rated for use in this
application class may be used in systems operating at greater than 50V DC or
320W, where general contact access is anticipated;
Keep the PV module packed in the Omnispower Engineering SPA carton until
installation.
Please use an opaque material to completely cover the PV module surface during
PV module installation and wiring.
Do NOT unplug the connector if the system circuit is connected to a load.
Do NOT stand on the module glass while installing. There is a risk of injury
or electric shock if glass is broken. Do NOT work alone (always work as a team
of 2 or more people).
Do NOT damage the back glass of PV modules when fastening the PV modules to a
support with bolts. Do NOT damage the surrounding PV modules or mounting
structure when replacing a PV module. Cables shall be located and secured so
that they will not be exposed to direct sunlight after installation to prevent
degradation of cables. Low drooping of cables from the terminal box must be
avoided. Low hanging cables could cause various problems such as animal
biting, electricity leakage in water, and fire. Modules with different color
codes are not recommended to be installed in one block or the same rooftop.
Protective measures must be taken in the process of installation to avoid
force extrusion or impact on the modules, especially in areas with a 25mm edge
around the modules.
The design loading of modules have been evaluated by TUV according to IEC6 1 2
1 5 with 1 . 5 times safety factor; The mechanical load bearing is dependent
upon the mounting methods used and failure to follow the instructions of this
manual may result in different capabilities to withstand snow and wind loads;
The system installer must ensure that the installation methods used meet these
requirements and any local codes and regulations.
5.2 INSTALLATION METHOD
5.2.1 MECHANICAL INSTALLATION AND WARNING The connection of the m o d u l e to
the racking system can be created with clamps, with frame, or an embedded
system on the frame. The modules must be installed according to the following
examples and recommendations.
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Panels must not be subjected to wind or snow loads exceeding the maximum
permissible loads, and must not be subjected to excessive forces due to the
thermal expansion of the support structures.
The module frame drain holes cannot be blocked in any situation during
installation or use.
To maximize mounting longevity, Omnispower Engineering SPA strongly recommends
the use of corrosion proof (stainless steel) attachment hardware.
A. Mounting with Bolts 4-914mm mounting holes
Modules can be attached using the mounting holes 4-914mm on the back of the
module frame, by fixing the module to the support rails with bolts. The
mounting details are shown in the following figures. The frame of each module
has 4-914mm mounting holes, ideally placed to optimize the load handling
capability, to secure the modules to the supporting structure. Installation
holes of 4-914 mm are used for installation, as shown in Figure 4 To maximize
mounting longevity, Omnispower Engineering SPA strongly recommends the use of
corrosion proof (stainless steel) attachment fixings. Secure the module in
each mounting location with an M8 bolt and a flat washer, spring washer and
nut and tighten to a torque of 16~20 N.m (140-180lbf.in.). All parts in
contact with the modules should use flat stainless steel washers of minimum
1.5 mm thickness with an outer diameter of 20-24mm (0.79-0.94in).
Module
Fig.4 Module with frame
1.aluminum frame
2.M8 stainless bolt
4.spring stainless washer 5.hex stainless nut
3.flat stainless washer
Mechanical Load Pressure
Safety factor
Mounting Direction
Omnispower Modules
+3600 Pa / 1600Pa
1.5
Omnispower Engineering SPA User Manual
- NOTE:
1 . This installation may cause the cell covered, so Omnispower Engineering SPA does not recommend this installation for modules.
10 10
2 . The above- described distance is from the middle of the bolts to the
middle of the bolts. 3.The crossbeam is perpendicular to the long side. 4 .
Need two support rails below the PV module to make sure the Mechanical load. 5
. The actual load is + 5400Pa/-2400Pa;
Omnispower Modules
+3600 Pa / 1600Pa
1.5
- NOTE: 1 . The above- described distance is from the middle of the bolts to the middle of the bolts. 2 . The beam is parallel to the long side. 3 . Need two support rails below the PV module to make sure the Mechanical load. 4 . The actual load is + 5 4 0 0 Pa/ – 2 4 0 0 Pa
B. Mounting with Clamps Omnispower Engineering SPA has tested its modules with a number of clamps from different manufacturers, with a mounting bolt of at least M8. The length of clamp 50mm (2.36in), thickness3mm (0.12in), Material: 6005 T5 / T6 (Rm255 MPa, Rp0.2 230 MPa).
The clamp must overlap the module frame by at least 7mm (0.28in) but no more than 10mm (0.39in).
Use at minimum 4 clamps to attach modules to the mounting rails.
Modules clamps should not come into contact with the front glass and must not deform the frame.
Be sure to avoid shadowing effects on the solar cells from the module clamps.
The module frame is not to be modified under any circumstances.
When choosing this type of clamp-mounting method, use at least four clamps on each module, two clamps should be attached on each long sides of the module (for portrait orientation) Depending on local wind and snow loads, additional clamps may be required to ensure that modules can bear the load. Applied torque should refer to mechanical design standard according to the bolt customer is using, ex: M8 —- 16-20 N.m (140-180lbf.in)
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End Clamp installation
Middle Clamp installation
Module
Mechanical Load Pressure
Safety factor
Mounting Direction
Omnispower +3600 Pa / –
Modules
1600Pa
1.5
- NOTE:
1.This installation may cause the cell covered, so Omnispower
Engineering SPA
does not recommend this installation for
modules.
2.The above described distance is from the module edge to the
middle of the clamp. 3.The crossbeam is perpendicular to the long side
4 . Need two support rails below the PV module to make sure the
Mechanical load.
5.The actual load is + 5 4 0 0 Pa/ – 2 4 0 0 Pa;
Omnispower Modules
+3600 Pa / 1600Pa
1.5
- NOTE: 1 . The above described distance is from the module edge to the middle of the clamp. 2.The beam is parallel to the long side. 3.Need two support rails below the PV module to make sure the mechanical load. 4 . The actual load is + 5 4 0 0 Pa/ – 2 4 0 0 Pa;
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- Note1: The above- described distances are from the module edge to the middle of the clamp. Note2: Need two or more support rails below the PV module to ensure the mechanical load.
If the customer needs a different size of Clamps, it should be fully evaluated and approved by Omnispower .
C. Mounting with Single-axis Tracking System with 4-710mm mounting holes
· It is a Single- axis Tracking System, the module is fixed on the axis by bolting long frame. · The frame of each module has 4 – 7 1 0 mm ( 0 . 2 8 0 . 3 9 in) mounting holes with specific location shown in
Figure 5 . · Secure the module in each fixing location with an M6 bolt, two flat washers, a spring washer and nut as
shown in Figure 5 . · If a different bolt similar to M6 is used, they need to be tightened to a torque of 1 6 N . m ( 1 4 0 lbf. in) . · All parts in contact with the frame should use flat stainless steel washers of minimum 1 . 5 mm thickness
with an outer diameter of 1 6 – 2 0 mm ( 0 . 6 3 – 0 . 7 9 in. ) . · The bolt should be made of stainless steel or the other anti- corrosion material . · Mechanical Load Pressure under this method: 30 lbs.ft2 max from the front side & 30 lbs.ft2 max from the
rear according to UL1703.
Fig 5 . PV module installed with Single- axis Tracking System
-
M6 Stainless hex bolt 3) Spring stainless washer
-
flat stainless washer 4) hex stainless nut
Omnispower Engineering SPA User Manual
Module
Mechanical Load Pressure
Safety factor
13
13 Mounting Direction
Omnispower Modules
+1600 Pa /- 1600 Pa
1.5
- NOTE: 1 . This installation may cause the cell covered, so Omnispower Engineering SPA does not recommend this installation for modules. 2 . The above- described distance is from the middle of the bolts to the middle of the bolts. 3 . The actual load is + 2 4 0 0 Pa/ – 2 4 0 0 Pa
OMNISPOWER ENGINEERING SPA FRAME COMPATIBILITY WITH VARIOUS RACKING SYSTEMS.
The following examples illustrate how to evaluate Omnispower Engineering SPA Frame compatibility with various racking systems. Please pay attention to the size from component battery to the edge of the frame, and the bracket or pad shall not obscured the battery Please note that the connection location should be reserved for bracket under the grounding hole .
Example A: zigzag racking installation When selecting zigzag steel, please
confirm the structural strength of profiles . When selecting zigzag steel,
please confirm the size and the hole position of it so that the gaskets, and
screws can be installed .
Please press the waist type wind hole at the bottom of zigzag steel.
washers
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Example C: C structure steel type 1 racking installation When selecting C
structure steel, please confirm the structural strength of pads . When
selecting C structure steel, please confirm the size and hole position of pads
so that the gaskets, washers and screws can be installed. For C structure
steel type 1 racking, due to the amount of space inside the racking section,
many choices are available including T- shape nuts.
5.2.2 GROUNDING All module frames and mounting racks must be properly grounded
in accordance with appropriate respective National Electrical Code. Proper
grounding is achieved by bonding the module frame( s) and all metallic
structural members together continuously using a suitable grounding conductor.
The grounding conductor or strap may be copper, copper alloy, or any other
material acceptable for use as an electrical conductor per respective National
Electrical Codes. The grounding conductor must then make a connection to earth
using a suitable earth ground electrode. Omnispower Engineering SPA modules
can be installed with the use of third party listed grounding devices for
grounding the metallic frames of PV modules. The devices have to be installed
in accordance with the grounding device manufacturer’s specified instructions.
Please refer to the ” Product Catalogue” link for detailed grounding hole
locations and size at whtwtpw://.wowmwn.iOsmponwispeorewuereoupreo.pceo.cmom
· Grounding hardware comes in a package that includes the grounding screw,
flat washer star washer and wire
· Electrical contact is made by penetrating the anodized coating of the
aluminum frame, and tightening the mounting screw (come with the star washer)
to the proper torque of 25lbf.in.
· Grounding wire size (6 to 12 AWG solid bare copper) should be selected and
installed underneath the wire binding bolt.
Star washer, flat washer, grounding wire are placed in turn, then screwed into
the grounding hole to bond the adjacent modules
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15 Omnispower Engineering SPA recommends using the following methods to ground
modules properly under UL investigation. Method 1 : Tyco grounding bolt
Figure 4. Tyco grounding bolt 1) W ire bolt and slot 2) Mounting wash hex nut
3 ) Aluminum frame 4) 0.006 to 0.025 in2 cable 5) Hex Nut
Tyco grounding hardware comes in a package that includes the grounding bolt,
mounting and grounding hex nut. Electrical contact is made by penetrating the
anodized coating of the aluminum frame, and tightening the mounting hex nut
(come with the star washer) to the proper torque of 25lbf.in. Grounding wire
size (6 to 12 AWG solid bare copper) should be selected and installed
underneath the wire binding bolt. The wire binding bolt should be tightened to
the proper torque of 45lbf.in. Method 2 : Tyco grounding bolt
Figure 5. Tyco grounding bolt 1 )Wire slot (available for 0.006 to 0.025in2
cable) 2)Slider 3)Bolt 4)Base 5)Nut Tyco grounding hardware comes in a package
that includes the grounding bolt, mounting and grounding hex nut. Electrical
contact is made by penetrating the anodized coating of the aluminum frame, and
tightening the mounting hex nut (come with the star washer) to the proper
torque of 25lbf.in. Grounding wire size (6 to 12 AWG solid bare copper) should
be selected and installed underneath the wire binding bolt. The wire binding
bolt should be tightened to the proper torque of 45lbf.in. The Tyco grounding
bolt is only listed for use with 6 to 12 AWG bare solid copper wire.
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16 Method 3 : ERICO grounding bolt
Figure 6. ERICO grounding bolt
1 ) Machine Bolt A 2 ) Machine Bolt B 3 ) Belleville washer 4 ) Flat Washer 5
) Clearance hole for # 1 0 [ M5 ] machine bolt 6 ) Aluminum frame 7 ) Machine
box hex nut with lock washer 8 ) Grounding bolt
The lug should be installed on a surface that is larger than the bottom
surface of the lug.
The lug should be installed in the grounding holes provided on the PV module.
Machine bolt A should be torqued to 35lbf.in, to secure the grounding bolt to
module frame.
The grounding bolt is only listed for use with 6-12 AWG bare solid copper
wire.
For proper wire binding, machine bolt B should be torqued to 35lbf.in.
5.2.3
ELECTRICAL INSTALLATION
All wiring should be performed, by qualified installers, in accordance with the local codes and regulations.
Modules can be connected in series to increase the operating voltage by plugging the positive plug of one module into the negative socket of the next. Before connecting modules always ensure that the contacts are corrosion free, clean and dry.
Product can be irreparably damaged if an array string is connected in reverse polarity to another. Always verify the voltage and polarity of each individual string before making a parallel connection. If you measure a reversed polarity or a difference of more than 1 0 V between strings then check the string configuration before making the connection.
Omnispower Engineering SPA modules are provided with stranded copper cables with a cross sectional area of 4mm²(0.006in²) which are UV resistant. All other cables used to connect the DC system should have a similar (or better) specification. Omnispower Engineering SPA recommends that all cables are run in appropriate conduits and sited away from areas prone to water collection.
The maximum voltage of the system must be less than the maximum certified
voltage and the maximum input voltage of the inverter and of the other
electrical devices installed in the system. To ensure that this is the case,
the open circuit voltage of the array string needs to be calculated at the
lowest expected ambient temperature for the location. This can be done using
the following formula.
Max System voltage N Voc [1 + TCvoc x (Tmin-25)]
W here
N
Number of modules in series
Voc Open circuit voltage of each module (refer to product label or data sheet)
TCvoc Thermal coefficient of open circuit voltage for the module (refer to data sheet)
Tmin The lowest expected operating temperature of module
Omnispower Engineering SPA User Manual
17
Each module has two industry standard 9 0 ° C sunlight resistant output
cables, each terminated with plug & play connectors. The PV Wire cable and are
12AWG in size. This cable is suitable for applications where wiring is exposed
to direct sunlight. Omnispower Engineering SPA requires that all wiring and
electrical connections comply with the appropriate National Electrical Code.
The minimum and maximum outer diameters of the cable are 5 to 7mm (0. 038 to
0.076in2).
For field connections, use at least 4mm2 copper wires insulated for a minimum
of 90°C and sunlight resistance with insulation designated as PV Wire.
The minimum bending radius of the cables must be 43mm (1.69in).
5.2.4 WIRING
To ensure proper system operation the correct cable connection polarity (
Figures 1 & 2 ) should be observed when connecting the modules to each other
or to a load , such as inverter, a battery etc. If modules were not connected
correctly, the bypass diodes could be destroyed. PV modules can be wired in
series to increase voltage. A series connection is made when the wire from the
positive terminal of one module is connected to the negative terminal of the
next module. Figure 1 shows modules connected in series. PV modules can be
connected in parallel to increase current (Figure 2). A parallel connection is
made when the wire from the positive terminal of one module is connected to
the positive terminal on the next module.
The number of modules in series and in parallel shall be designed reasonably
according to the system configuration.
All instructions above have to be obeyed to maintain Omnispower Engineering
SPA limited warranty
Connecting in series
Connecting in parallel after connected in series
Figure 1
Figure 2
5.2.5
FUSING
When fuses are fitted they should be rated for the maximum DC voltage and
connected in each, nongrounded pole of the array (i.e. if the system is not
grounded then fuses should be connected in both the positive and negative
poles).
The maximum rating of a fuse connected in series with an array string is
typically 25A but the actual module specific rating can be found on the
product label and in the product datasheet.
This fuse rating value also corresponds to the maximum reverse current that a
module can withstand ( when one string is shaded then the other parallel
strings of modules will be loaded by the shaded string and current will flow)
and therefore impacts the number of strings in parallel.
Do NOT share a fuse in a Combiner Box with two or more strings in parallel
connection.
6. MODULE MAINTENANCE FOR PV MODULE PV 6.1 PANEL VISUAL INSPECTION AND
REPLACEMENT The modules in a PV array should be regularly checked for damage.
Factors such as glass breakage, cable breakage, and junction box damage may
lead to function and safety problems. In the case of a damaged module, replace
it with the same type of module. Refer to the appropriate Product Installation
Omnispower Engineering SPA User Manual
18
18
Manual for installation and dis-assembly of module.
It is recommended to perform a preventive inspection every six months without
changing the components of the module. If electrical or mechanical appliances
are used for inspection or maintenance, qualified professionals to avoid any
electric shock or loss of life. Trim any vegetation which may shade the solar
array, thus impacting performance.
Check that mounting hardware is properly tightened.
Check that all string fuses in each non/earthed pole are operating.
Replacement modules must be of same type. Do NOT touch live parts of cables
and connectors. Use appropriate safety equipment (insulated tools, insulating
gloves, etc.) when handling modules. Cover the front surface of modules by an
opaque material when repairing. Modules when exposed to sunlight generate high
voltage and are dangerous. Omnispower Engineering SPA PV modules are equipped
with bypass diodes in the junction box. This minimizes module heating and
current losses. o Do NOT open the junction box to change the diodes even if
they malfunction.
o In a system using a battery, blocking diodes are typically placed between
the battery and the PV module output to prevent battery discharge at night.
In the event that a module is damaged ( broken glass or a scratch on back
sheet) and needs to be replaced. o Observe the safety precautions listed
earlier in this Manual
o Wear cut resistant gloves and other personal protective equipment required
for the particular installation.
o Isolate the impacted array string to prevent current flow before attempting
to remove the module.
o Disconnect the connectors of the affected module using the related
disconnect tool provided by suppliers.
o Replace the damaged module with a new functional module of the same type.
o Check the open circuit voltage of the array string and verify that this is
within 10V of the other strings to be connected in parallel.
o Turn the breaker back on.
6.2 CONNECTOR AND CABLE INSPECTION Inspect all cables to verify that
connections are tight, the cables are protected from direct sunlight and sited
away from areas of water collection. It is recommended to check the torque of
terminal bolts and the general condition of wiring at least once a year. Also,
check that mounting hardware is properly torqued. Loose connections will
result in damage to the array.
6.3 CLEANING The amount of electricity generated by a solar module is
proportional to the amount of light falling on it. A module with shaded cells
will produce less energy and therefore it is important to keep all PV modules
clean. Clean PV modules when the irradiance is below 200W/m² ; liquid with a
large temperature difference from the modules must not be used for cleaning
the modules; It is forbidden to clean PV modules under the weather conditions
of wind more than 4 grades, heavy rain or heavy snow; When cleaning with
pressurized water, the water pressure on the glass surface of the module must
not exceed 700 KPa (14619.80psf); the module must NOT bear the extra force;
When cleaning PV modules, do NOT step on the modules; do NOT spray water on
the backside of the module or the cables; keep the connectors clean and dry;
prevent fire and electrical shock from occurring; do NOT use as steam cleaner;
Omnispower Engineering SPA User Manual
19
19
When cleaning the modules, use a soft cloth together with a mild detergent and
clean water. Take care to avoid severe thermal shocks which might damage the
module by cleaning modules with water which has a similar temperature to the
modules being cleaned. Use dry or wet soft clean cloth to clean the PV
modules; use of non-corrosive solvents or hard objects are strictly
prohibited; If there is greasy dirt and other substances on the surface of the
PV module which are difficult to clean, conventional household glass cleaning
agents can be used; Do NOT use the alkaline and strong acid solvents. The back
surface of the module normally does not need to be cleaned but, in the event
this is deemed necessary, avoid the use of any sharp projects that might
damage the penetrating the substrate material. When cleaning the back surface
of the module, take care to avoid penetrating the substrate material. Modules
that are mounted flat ( 0 ° tilt angle) should be cleaned more often, as they
will NOT ‘ ‘ selfclean” as effectively as modules mounted at a 10° tilt or
greater. If you are unsure whether the array or section there of needs to be
cleaned, first select an array string that is particularly soiled, then
Measure & record the inverter feed in current from that string
o Clean all modules in the string
o Measure the inverter feed in current again and calculate the % improvement
from cleaning
6.3.1 MODULE INSPECTION AFTER CLEANING Ensure that the module under visual
inspection is clean, bright and free of stains;
Spot check to verify whether there is soot deposit on the module surface;
Check to see there are no visible scratches on the surface of the module;
Check to see there are no man-made cracks on the module surface;
Check to see whether the module support structure is leaning or bent after
cleaning;
Check to see whether the wiring terminals of the module are detached;
After cleaning PV modules, fill out the PV module cleaning record.
6.3.2 TROUBLESHOOTING If your installation does not work properly, please
inform your installer immediately. It is recommended to perform a preventive
inspection every six months without changing the components of the modules. If
electrical or mechanical properties are required for inspection or
maintenance, qualified professionals should be advised to avoid any electric
shock or loss of life
Attachment 1 SITE SELECTION and Title Angle
Solar modules are recommended to be installed at an optimized tilt angle to
maximize the energy output. It is roughly equal to the latitude of the project
site as a rule of thumb, facing toward the equator. Optimized system designs
must incorporate other local requirements. When installing solar modules on a
roof, the roof must be covered with a layer of fireproof material applicable
to this class, and adequate ventilation must be ensured between the back sheet
and the installation surface. A safe working area also must be left between
the edge of the roof and the external edge of the solar array. In the case of
residential installations on the ground, modules must be installed following
local regulations, e.g. using fence. Position the modules to minimize the
chances of shading at all times of the day. Omnispower Engineering SPA
recommends that the module should be installed at a working ambient
temperature of – 20C~46C. The module’s operating ambient temperature range is
from -40C to 85C.
2200
Try to install modules in a location where there is rare shading throughout
the year
If you are planning to use the PV modules where the water damage (Humidity:
85RH %) may be possible, please consult with Omnispower local technical
support first to determine an appropriate installation method, or to determine
whether the installation is possible.
If the module is installed in an area with frequent lightning and thunder, the
module must be protected against lightning strikes. Please contact with local
technical support or contact us from http://www.Omnispowereurope.com .
Make sure flammable gases are NOT generated near the installation site.
According to Intertek-conducted IEC 61701, salt mist corrosion testing of
photovoltaic (PV), Omnispower Engineering SPA modules can be installed in
corrosive salt areas within proximity of the ocean or sulfurous areas. The
module must not be soaked in the water or in the environment (i.e., fountain,
spindrift, etc.) where the module would touch water (pure water or brine) for
a long term. If the modules are placed in an environment of salt fog (i.e.,
marine environment) or sulfur (i.e., sulfur sources, volcanoes, etc.), there
is a risk of corrosion In locations that are 5 0 m ~ 5 0 0 mm from the ocean,
stainless steel or aluminum materials must be used to contact the PV modules,
and the installation position must be processed with anti- corrosion
treatment; Please contact with local technical support or contact us from
http://www.Omnispowereurope.com
According to IEC62716:2013 “Ammonia corrosion testing of photovoltaic (PV)
modules” and DLG Fokus testing for ammonia resistance, Omnispower Engineering
SPA modules can be safely installed in ammonia – heavy environments, such as
farm houses. According to the surrounding environment of the project, use the
appropriate protective measures to ensure the safety of the module
installation and reliable. For example, it needs to have around the windproof
measures like design of windbreaks in strong wind area.
The system design needs to have the lightning protection function, it must pay
more attention especially in the installation ground where are more lightning
strike,
The tilt angle measurement of the PV module refers to measuring the angle
between the module and the horizontal ground surface. For different projects
there are different mounting angles. Omnispower Engineering SPA recommends
that the mounting tilt angle should be NOT less than 1 0 ° , or in accordance
with local regulations or follow the recommendations of experienced PV module
installers.
The tilt angle of the PV module is measured between the PV module and a
horizontal ground surface. In the Northern Hemisphere, the PV modules should
typically face south, and in the Southern Hemisphere, the PV modules should
typically face north.
A clearance of at least 115mm (4.5in) (recommended) is provided between
modules and the surface of the wall or roof. If other mounting means are
employed this may affect the UL Listing or the fire class ratings.
Attachment 2: INVERTER SELECTION AND COMPATIBILITY
When installed in systems governed by IEC regulations, Omnispower Engineering
SPA modules normally do not need to be electronically connected to earth and
therefore can be operated together with either galvanically isolated (with
transformer) and transformerless inverters.
· Potential Induced Degradation ( PID) is sometimes observed in PV modules due
to a combination of high humidity, high temperature and high voltage. PID is
most likely to cause degradation under the following conditions:
o Installations in the warm and humid climates
o Installation close to a source of continual moisture, such as bodies of
water
· To reduce the risk of PID, we strongly suggest that modules feature
Omnispower Engineering SPA Anti-PID technology, which can be applied to any
Omnispower product. Alternatively, we recommend the use of an inverter that
includes a transformer as well as proper grounding of the negative DC leg of
the PV array.
21
Attachment 3 : INSTALLATION OF OMNIS POWER PANELS MOUNTING OMNIS POWER PANELS
WITH CONTINUOUS RAILS PARALLEL TO SHORT SIDE OF THE PANEL A continuous rail
(or other support structure) spans the complete underside of the panel. Fig.
6: Clamping of OMNIS POWER panels with rails parallel to short side of the
panel
0
270 mm 390 mm
580 mm640 mm 750 mm
750 mm 640 mm580 mm
390 mm 270 mm
0
0
0
100 mm
100 mm
250 mm
250 mm
250 mm
250 mm
0 100 mm
100 mm
0
Legend Rail position Rail position
Short Side Mounting
Long Side Mounting
Clearance Gap Clamping zone
0 – 270 mm 270 – 390 mm 390 – 580 mm 580 – 640 mm 640 – 750 mm
20-40 mm Test Load
(Design Load)
X
+1800 Pa / -1800 Pa
(+1200 Pa / -1200 Pa)
+1800 Pa / -1800 Pa
(+1200 Pa / -1200 Pa)
+1200 Pa / -1200 Pa*
(+800 Pa / -800 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
40-60 mm Test Load
(Design Load)
+1200 Pa / -1200 Pa*
(+800 Pa / -800 Pa)
+4200 Pa / -2400 Pa
(+2666 Pa / -1600 Pa)
+6200 Pa / -4000 Pa
(+4133 Pa / -2666 Pa)
+3000 Pa / -2400 Pa
(+2400 Pa / -1600 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
60 mm Test Load
(Design Load)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
+5400 Pa / -2400 Pa
(+3600 Pa / -1600 Pa)
+7000 Pa / -4000 Pa
(+4666 Pa / -2666 Pa)
+5400 Pa / -2400 Pa
(+3600 Pa / -1600 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
0 – 100 mm
X
+1200 Pa / -1200 Pa*
(+800 Pa / -800 Pa)
+1600 Pa / -1600 Pa *
(+1066 Pa / -1066 Pa)
100 – 250 mm
X
+800 Pa / -800 Pa*
(+533 Pa / -533 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
Once a module is secured in each of the 4 zones (fig. 2), additional clamps, i.e., 5, may be freely located on panel frame without affecting the warranty. Loads marked with a * were not certified as part of IEC 61215/61730 testing; these have been evaluated by Omnis Power internal testing process.
CAUTION
The center point of each clamp and the minimum grip length must be fully
located in the same clamping zones to be rated to that load (fig. 6). If the
panel is secured in zones with different load values, it is rated to the
lowest load value only.
REC Installation Manual – REC Solar Panels – IEC 61215 /61730
Rev 15 – 11.22
Ref: PM-IM-20
22
MOUNTING OMNIS POWER PANELS WITH CONTINUOUS RAILS PARALLEL TO LONG SIDE OF THE PANEL A continuous rail (or other support structure) spans the complete underside of the panel. Fig. 7: Clamping of Omnis Power panels with rails parallel to long side of the panel
0
750 mm
750 mm
0
0
0
100 mm
100 mm
250 mm
250 mm
250 mm
250 mm
0 100 mm
100 mm
0
Legend Rail position
Clearance Gap Clamping zone
0 – 750 mm
20-40 mm Test Load
(Design Load)
+1200 Pa / -1200 Pa *
(+800 Pa / -800 Pa)
40-60 mm Test Load
(Design Load)
+3000 Pa / -2400 Pa
(+2400 Pa / -1600 Pa)
60 mm Test Load
(Design Load)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
Long Side Mounting
Short Side Mounting
Rail position
0 – 100 mm
X
+1200 Pa / -1200 Pa *
(+800 Pa / -800 Pa)
+1600 Pa / -1600 Pa *
(+1066 Pa / -1066 Pa)
100 – 250 mm
X
+800 Pa / -800 Pa *
(+533 Pa / -533 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
Once a module is secured in each of the 4 zones (fig. 2), additional clamps, i.e., 5, may be freely located on panel frame without affecting the warranty. Loads marked with a * were not certified as part of IEC 61215/61730 testing; these have been evaluated by Omnis Power internal testing process.
CAUTION
The center point of each clamp and the minimum grip length must be fully
located in the same clamping zones to be rated to that load (fig. 7). If the
panel is secured in zones with different load values, it is rated to the
lowest load value only.
REC Installation Manual – REC Solar Panels – IEC 61215 /61730
Rev 15 – 11.22
Ref: PM-IM-20
23
MOUNTING OMNIS POWER PANELS WITH SHORT RAILS A short rail (or other short support structure) has a minimum length of 25 mm and does not span the complete underside of a panel. Fig. 8: Clamping of Omnis Power panels using short rails
0
270 mm 390 mm
580 mm640 mm 750 mm
750 mm 640 mm580 mm
390 mm 270 mm
0
0
0
100 mm
100 mm
250 mm
250 mm
250 mm
250 mm
0 100 mm
100 mm
0
Legend
Rail length under module
25 – 100 mm
MaMxi.n1.0205mmmm
Rail length under module
100 – 200 mm
MaMxi.n2.0100m0 mmm
Short Side Mounting
Short Side Mounting
Long Side Mounting
Clearance Gap Clamping zone
90 – 270 mm 270 – 390 mm 390 – 580 mm 580 – 640 mm 640 – 750 mm
20-40 mm Test Load
(Design Load)
X
+1200 Pa / -1200 Pa
(+800 Pa / -800 Pa)
+1200 Pa / -1200 Pa
(+800 Pa / -800 Pa)
+1200 Pa / -1200 Pa
(+800 Pa / -800 Pa)
+1800 Pa / -1800 Pa
(+1200 Pa / -1200 Pa)
40-60 mm
Test Load
(Design Load)
+1200 Pa / -1200 Pa *
(+800 Pa / -800 Pa)
+4100 Pa / -2400 Pa
(+2733 Pa / -1600 Pa)
+3000 Pa / -3000 Pa
(+2000 Pa / -2000 Pa)
2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
60 mm
Test Load
(Design Load)
+1600 Pa / -1600 Pa *
(+1066 Pa / -1066 Pa)
+4000 Pa / -2400 Pa
(+2666 Pa / -1600 Pa)
+4200 Pa / -4000 Pa
(+2800 Pa / -2666 Pa)
+3600 Pa / -2400 Pa
(+2400 Pa / -1600 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
0 – 100 mm
X
100 – 250 mm
X
+1200 Pa / -1200 Pa
(+800 Pa / -800 Pa)
+800 Pa / -800 Pa
(+533 Pa / -533 Pa)
+1600 Pa / -1600 Pa *
(+1066 Pa / -1066 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
Long Side Mounting
90 – 270 mm 270 – 390 mm 390 – 580 mm 580 – 640 mm 640 – 750 mm
X
+1200 Pa / -1200 Pa
(+800 Pa / -800 Pa)
+1200 Pa / -1200 Pa
(+800 Pa / -800 Pa)
+1200 Pa / -1200 Pa
(+800 Pa / -800 Pa)
+1800 Pa / -1800 Pa
(+1200 Pa / -1200 Pa)
+1200 Pa / -1200 Pa *
(+800 Pa / -800 Pa)
+3600 Pa / -2400 Pa
(+2400 Pa / -1600 Pa)
+3000 Pa / -3000 Pa
(+2000 Pa / -2000 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
+1600 Pa / -1600 Pa *
(+1066 Pa / -1066 Pa)
+3600 Pa / -2400 Pa
(+2400 Pa / -1600 Pa)
+3000 Pa / -3000 Pa
(+2000 Pa / -2000 Pa)
+3600 Pa / -2400 Pa
(+2400 Pa / -1600 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
0 – 100 mm
X
100 – 250 mm
X
+1200 Pa / -1200 Pa
(+800 Pa / -800 Pa)
+800 Pa / -800 Pa
(+533 Pa / -533 Pa)
+1600 Pa / -1600 Pa *
(+1066 Pa / -1066 Pa)
+2400 Pa / -2400 Pa
(+1600 Pa / -1600 Pa)
Once a module is secured in each of the 4 zones (fig. 2), additional clamps, i.e., 5, may be freely located on panel frame without affecting the warranty. Loads marked with a * were not certified as part of IEC 61215/61730 testing; these have been evaluated by Omnis Power internal testing process.
CAUTION
The centerpoint of each clamp and the minimum grip length must be fully
located in the same clamping zones to be rated to that load (fig. 8). If the
panel is secured in zones with different load values, it is rated to the
lowest load value only.
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