The following installation manuals are available for the VRBD range:
VRBD-2 - Installation Manual - https://www.reznor.co.uk/wp-content/uploads/2023/12/3.-Benson-BD-Range-OandM-3367640-Apr2013-Issue-7.pdf
What installation manuals are available for the VRBD?
Looking for the installation guide for your Reznor product? Have a look in here.