Solar PV On-Site Guide Solar PV On-Site Installers Guide.

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Solar PV On-Site Guide

Solar PV On-Site Installer’s 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

Familiarise yourself with the site and confirm the expected location of the panels and the electrical fittings

Internal works

Fix the inverter securely into the selected position

Allow correct air spaces as per manufacturers instructions

Internal works

Fix the DC isolator switch(es) into position

Internal works

Fix the AC isolator switch in position

Internal works

Attach the cabling between the inverter and the switches

Internal works

Complete the installation of the DC switch(es) and label them

Internal works

Position and install the generation meter and main AC isolator switch

Usually this is to be located adjacent to the distribution board

External works

Use an experienced roofer to install a proprietary roof entry for the DC cables to pass through the roof

External / Internal works

Feed the DC cables through the fitting and into the internal roof space.

External works

Record the voltage (VOC) and current (ISC) values for each panel.

External works

Use an experienced roofer to fit the brackets in place

External works

Measure and square up the rails when fitting.

External works

Position the required length of DC cable and secure with zip ties.

External works

Bring the panels safely up to the installation level.

Take extra care if it is windy.

External works

Align the first panel and fix in place.

External works

Fix the panels in place ensuring they are straight and square. Pay special attention to positioning the first panel in a string.

External works

Add further panels, keeping the alignment.

Connect the panel cables as each one is fixed in place.

External works

Secure each panel in place.

External works

With the panel array(s) in place and connected, return to the inverter for testing and commissioning.

Internal works

Complete all AC tests in accordance with BS7671 Inspection & Test

Internal works

Complete tests on DC circuitry including:IR testsVOC testsISC testsIrradiance level tests

Internal works

Ensure all electrical components are fully labelled.

Internal works

Place a system schematic at the inverter location, and at the main consumer unit for the property

Solar PV On-Site Guide Solar PV On-Site Installers Guide.

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