The following installation manuals are available for the UFE range:
Ambirad UFE - Installation Manual - May 2000 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-UFE-Installation-Manual-EN-2000-05-WA-006-0500.pdf
Ambirad UFE User - Installation Manual - May 2000 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-UFE-User-Instructions-EN-2000-05-GB-WA-007-0500.pdf