Assertion: damper | /r/HasProperty | installed
Facets:
value: vertically
type: MANNER
value: incorrectly
type: MANNER
Source sentences:
text: “Each damper shall be tested and inspected after the damper is installed, then one year after installation.
text: If you experience that the room is smokier than normal with the fire lit then this is probably a result of the damper being installed incorrectly.
text: The best performance is achieved when the dampers are installed vertically.