The following wiring diagrams are available for the EVRC range:
Benson EVRC - Wiring Diagram - April 2012 - https://www.reznor.co.uk/wp-content/uploads/2023/12/Benson-EVRC-Wiring-Diagrams-EN-2012-04-1.pdf
Benson EVRC - Wiring Diagram - June 2013 - https://www.reznor.co.uk/wp-content/uploads/2023/12/Benson-EVRC-Wiring-Diagrams-EN-2013-06.pdf
Benson EVRC - Wiring Diagram - March 2011 - https://www.reznor.co.uk/wp-content/uploads/2023/12/Benson-EVRC-Wiring-Diagrams-EN-2011-03.pdf