The following installation manuals are available for the VRA range:
VRA-2 - Installation Manual - https://www.reznor.co.uk/wp-content/uploads/2023/12/Benson-VR2-Range-OandM-Apr2013-Issue12.pdf
VRA-3 - Installation Manual - https://www.reznor.co.uk/wp-content/uploads/2023/12/2.-Benson-VRA-3-Installation-instructions-1604-Nortek.pdf
VRA-4 - Installation Manual - https://www.reznor.co.uk/wp-content/uploads/2023/12/4.-Benson-VRA-4-OM-1610-installation-instructions.pdf
VRA-4E - Installation Manual - https://www.reznor.co.uk/wp-content/uploads/2023/12/Reznor-VRA-4E-Installation-Manual-Jan18.pdf