Title Page

  • Work Order No

  • Audit Title

  • Site

  • Conducted on

  • Prepared by

  • Location

Array

Array

  • Size of Array (Kwp)

Roof access (info and pics required especially all man safe equipment and tags)

  • Are there any roof access issues?

  • Comments

  • Is the array clean

  • Comments (issues can be reported in the operation section)

  • Photograph required

  • Photograph required

  • Inclination (S if solyndra)

  • Orientation

  • Satellite image

  • Weather and irradiance

  • Number of inverters

  • Module type

AC side

PV Distribution Board

  • Is the meter operating

  • Does the meter display a fault code

  • Error

  • Meter reading

  • Coax and aerial not damaged and in good position

  • Is there a separate G59 Relay

  • Does the relay operate when the AC side is interrupted

  • Does the relay automatically reset after the AC is reinstated (min 60s wait)

  • DB and MCBs suitable and labelled

  • Supply main switch labelled

  • Array diagram and location label

  • 'WARNING: DUAL SUPPLY' label

  • PV label attached to main switchboard

  • DB supply protection / main supply rating

  • Inverter mcb values

Inverters

Inverters

  • PV inverters identified and labelled

  • Strings identified, labelled or mapped

  • Location of inverters

  • Comments

  • Inverter
  • Suitable Inverter location, fixing, UV and IP rating

  • AC isolator correctly rated, installed and labelled

  • G59 operation, turn off AC isolator off, does the inverter react correctly

  • DC isolator labelled 'PV ARRAY DC ISOLATOR'

  • Inverter Make

  • Photo of inverter data plate

  • Input 1 production reading ( P :)

  • Input 2 production reading ( P :)

  • Total production ( energy total to date )

  • Total number of strings

  • Is inverter working correctly

  • Fault log

DC side

  • Photo of PV module data plate

  • Module mounting system correct and secure

  • Is the Earth bonding correctly installed

  • Junction boxes connectors and isolators labelled WARNING DC VOLTAGE DO NOT DISCONNECT UNDER LOAD

  • Are the combiner boxes suitably mounted

  • Photograph

  • Are the combiner boxes suitably rated for their environment and location

  • General condition including UV and weather degradation

  • Is the combiner box water tight

  • Have you tightened all of the cable terminals in the collector boxes

  • Are there any signs of scorching or excessive heat in the combiner boxes

  • Details

  • Photograph

  • Are you able to combiner box screws useable

  • Photograph

  • Have you tightened all cable terminals in the DC Isolators

  • Reason

  • Are there any signs of scorching or excessive heat in the DC isolators

  • Details

  • Photograph

STRINGS

  • String Fuses Checked

  • DC connectors same type and manufacturer

  • DC cable management (zip ties, cable tray, etc)

  • PV array cable protected against external influences

  • String
  • String ID (Inverter.Input.String ie 111)

  • Voltage (Voc)

  • Number of modules in series (if known)

Array Issues

  • Was the array left functioning correctly on leaving the site

  • Comments

  • Were any faults found and rectified

  • Faults found and rectified
  • Photo

  • Fault description

  • Are there any other issues to report including any dilapidation

  • Issue
  • Photo

  • Description of issue

  • Have you made safe any issues that have been highlighted

  • Please make safe in accordance with current electrical regulations

  • Would access equipment or a crane be required to get replacement invertors into location and to be installed

  • Details

  • Photographs

  • Please add a photograph showing the condition and cleanliness of the panels

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