Solar PV On-Site Installer’s Guide
description
Transcript of Solar PV On-Site Installer’s Guide
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Solar PV On-Site Guide
Solar PV On-Site Installer’s Guide
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Solar PV On-Site Guide
On arrival at the site, check and confirm the following
Scaffolding is in place and safe to use
Materials and equipment are on site
System design documents are available
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Solar PV On-Site Guide
Familiarise yourself with the site and confirm the expected location of the panels and the electrical fittings
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Solar PV On-Site Guide
Internal works
Fix the inverter securely into the selected position
Allow correct air spaces as per manufacturers instructions
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Solar PV On-Site Guide
Internal works
Fix the DC isolator switch(es) into position
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Solar PV On-Site Guide
Internal works
Fix the AC isolator switch in position
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Solar PV On-Site Guide
Internal works
Attach the cabling between the inverter and the switches
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Solar PV On-Site Guide
Internal works
Complete the installation of the DC switch(es) and label them
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Solar PV On-Site Guide
Internal works
Position and install the generation meter and main AC isolator switch
Usually this is to be located adjacent to the distribution board
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Solar PV On-Site Guide
External works
Use an experienced roofer to install a proprietary roof entry for the DC cables to pass through the roof
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Solar PV On-Site Guide
External / Internal works
Feed the DC cables through the fitting and into the internal roof space.
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Solar PV On-Site Guide
External works
Record the voltage (VOC) and current (ISC) values for each panel.
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Solar PV On-Site Guide
External works
Use an experienced roofer to fit the brackets in place
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Solar PV On-Site Guide
External works
Measure and square up the rails when fitting.
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Solar PV On-Site Guide
External works
Position the required length of DC cable and secure with zip ties.
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Solar PV On-Site Guide
External works
Bring the panels safely up to the installation level.
Take extra care if it is windy.
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Solar PV On-Site Guide
External works
Align the first panel and fix in place.
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Solar PV On-Site Guide
External works
Fix the panels in place ensuring they are straight and square. Pay special attention to positioning the first panel in a string.
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Solar PV On-Site Guide
External works
Add further panels, keeping the alignment.
Connect the panel cables as each one is fixed in place.
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Solar PV On-Site Guide
External works
Secure each panel in place.
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Solar PV On-Site Guide
External works
With the panel array(s) in place and connected, return to the inverter for testing and commissioning.
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Solar PV On-Site Guide
Internal works
Complete all AC tests in accordance with BS7671 Inspection & Test
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Solar PV On-Site Guide
Internal worksComplete tests on DC circuitry including:IR testsVOC testsISC testsIrradiance level tests
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Solar PV On-Site Guide
Internal works
Ensure all electrical components are fully labelled.
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Solar PV On-Site Guide
Internal works
Place a system schematic at the inverter location, and at the main consumer unit for the property