The following installation manuals are available for the ER/AR Herringbone range:
Ambirad HB AR-ARE - Installation Manual - November 2003 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-HB-Installation-Manual-AR-ARE-EN-2003-11-GB-HB-134-1103.pdf
Ambirad HB AR-ER-RB - Installation Manual - 1992 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-HB-Installation-Manual-AR-ER-RB-EN-1992-134-6-92-V1.pdf
Ambirad HB AR-ER-RB - Installation Manual - 1992 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-HB-Installation-Manual-AR-ER-RB-EN-1992-134-6-92-V2.pdf
Ambirad HB AR-ER-RB - Installation Manual - 1992 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-HB-Installation-Manual-AR-ER-RB-EN-1992-134-6-92-V3-1.pdf
Ambirad HB HB22 - Installation Manual - 1989 - https://www.reznor.co.uk/wp-content/uploads/2023/12/AmbiRad-HB-Installation-Manual-HB22-EN-1989-104-09-89.pdf