Hold open device FD114 Mechanical hold-open device for doors which need to be secured in the open positions. Hold-open angle adjustable from ca. 70°-120°. Not approved for use on fire and smoke protection doors. Downloads ABLOY_FD114_Installation_Instructions_1.pdf (.pdf, 436 kB) Close Mounting plate DC116Angle mounting plate for sliding arms and fire for closin… Mounting plate DC117Angle mounting plate for double door fire door closing systems. Mounting plate DC112Angle mounting plate for FD110 and FD111.