The following product guides are available for the OFSU range:
Ambirad OFSU - Installation Manual - January 2008 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-OFSU-Sales-Sheet-EN-2002-10-GB-WA-041-1002.pdf
Ambirad OFSU - Product Guide - October 2002 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-OFSU-Sales-Sheet-EN-2002-10-GB-WA-041-1002.pdf
OFSU EN - Product Guide - https://www.reznor.co.uk/wp-content/uploads/2023/12/Reznor-OFSU-Sales-Sheet-EN.pdf