9
2.13.4.2.4 Data Plate.
A data plate conforming to 2.16.3.3 shall be attached to the
power door operator or to the car crosshead and shall contain the following information:
(a)
minimum door closing time in seconds for the doors to travel the code zone distance
as specified in 2.13.4.2.2 corresponding to the kinetic energy limits specified in
2.13.4.2.1(b)(2);
(b)
minimum door closing time in seconds for the doors to travel the Code zone distance
as specified in 2.13.4.2.2 corresponding to the kinetic energy limits specified in
2.13.4.2.1(c)(2), if applicable [see 2.27.3.1.6(e)];
(c)
where heavier hoistway doors are used at certain floors, the minimum door closing
time in seconds corresponding to the kinetic energy limits specified in 2.13.4.2.1(b)(2)
and 2.13.4.2.1(c)(2), if applicable, for the corresponding floors shall be included on the
data plate.
2.13.4.2.1 Kinetic Energy…
(a) Where the hoistway door and the car door/gate are closed in such a manner that
stopping either one manually will stop both, the kinetic energy of the closing door
system shall be based upon the sum of the hoistway and the car door weights, as well
as all parts rigidly connected thereto, including the rotational inertia effects of the door
operator and the connecting transmission to the door panels.
(b)Where a reopening device conforming to 2.13.5 is used, the closing door system
shall conform to the following requirements.
(1) The kinetic energy computed for the actual closing speed at any point in the
Code zone distance defined by 2.13.4.2.2 shall not exceed 23 J (17 ft-lbf);
and
(2) The kinetic energy computed for the average closing speed as determined in
accordance with 2.13.4.2.2 shall not exceed 10 J (7.37 ft-lbf).
(c) Where a reopening device is not used, or has been rendered inoperative (see
2.13.5), the closing door system shall conform to the following requirements:
(1) The kinetic energy computed for the actual closing speed at any point in the
code zone distance defined by 2.13.4.2.2 shall not exceed 8 J (6 ft-lbf).
(2) The kinetic energy computed for the average closing speed within the code
zone distance (see 2.13.4.2.2), or in any exposed opening width, including
the last increment of door travel, shall not exceed 3.5 J (2.5 ft-lbf).
The following tables show the minimum closing code time for
MO
VFE2500 doors:
NOTE:
The term “Door Weight” in the tables refers to the combined weight of all doors, including all car
door (s) and all hoistway door(s) (of one floor only).
Also, note that if the weight of the hoistway door(s) varies by floor, different settings of the
code distance closing time must be used from the table.
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