15 ANSI / BHMA A156.19 (LOW ENERGY APPLICATION)
Table II
Total Opening Time to 90 Degrees
Note!
To determine maximum times from close to full open, the operator shall be adjusted as
shown in the chart. Back check occurring at a point between positions in Table II shall use the
lowest setting. For example, if the backcheck occurs at 75 degrees, the full open shall be the
time shown in Table I plus 1.5 seconds.
15.1.5
Signage
Doors shall be equipped with signage visible from either side, instructing the user as to the operation
and function of the door. The signs shall be mounted 50" +/- 12" (1270mm +/- 305mm) from the
floor to the center line of the sign.
The letters shall be 5/8 inch (16 mm) high minimum.
Doors All doors shall be marked with signage visible from both sides of the door, with the words
“AUTOMATIC CAUTION DOOR” (see illustration below). The sign shall be a minimum of 6 " (152
mm) in diameter with black lettering on a yellow background. Additional information may be
included.
Additionally one of the following knowing act signs shall be applied:
When a
Knowing Act Switch
is used to initiate the operation of the door operator, the doors shall
be provided with signs on both sides of the door with the message “ACTIVATE SWITCH TO OPERATE”.
The lettering shall be white and the background shall be blue.
When push/pull is used to initiate the operation of the door operator, the doors shall be
provided with the message “PUSH TO OPERATE” on the push side of the door and “PULL TO
OPERATE” on the pull side of the door. The lettering shall be white and the background shall be
blue.
Backcheck at 60 degrees
Backcheck at 70 degrees
Backcheck at 80 degrees
Table I plus 2 seconds
Table I plus 1.5 seconds
Table I plus 1second
If the door opens more than 90 degrees, it shall continue at the same rate as backcheck speed.
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