Report of Materials and Equipment Acceptance Division
NYC Department of Buildings 280 Broadway, New York, NY 10007 Patricia Lancaster, FAIA, Commissioner (212) 566-5000, TTY: (212) 566-4769
Pursuant to Administrative Code Section 27-131, the following equipment or material has been found acceptable for use subject to the terms and conditions contained herein.
MEA 367-02-M Vol. 2
Inclinator Company of America, 601 Gibson Blvd., Harrisburg, PA 17104
Elevator hoist way door electro-mechanical interlock assemblies – MEA Index #240 – Elevator Interlock
Pertinent Code Section(s):
RS 18-1 (ANSI A17.1), UL 104
Canadian Standard Association
File No. 1219832 (LR92179), dated September 4, 2002 and revised August 6, 2007.
Description: The 24VAC EM-7 and 24VAC/24VDC EM-6 hoist way door combination
mechanical lock and electric contact consists of a rotating steel cam with a steel lock pin which is engaged by a slot in the cam. The locking pin
If the pin
is up (solenoid energized), the cam is If the pin is down, the cam can only rotate
2 steel pins and is lifted by a 24 free to rotate 30 degrees. A
lock bar fastened to rotates the cam. As
door engages the cam pins as the door opens or closes and cam rotates from closed to open or vise versa, the spring goes
EM-5). door is
Switch open or
#1 is operated by the door and switches 24 volts to switch #2 when to switch #3 (and switch #4) when the door is fully closed. Switch #2
is operated by the cam and operates the solenoid. Switch #3 is operated by the lock and completes the common hoist control safety circuit when the pin is down and in locked position. On EM-5 models, switch #4 adds redundancy to switch #3.
With the car at landing and the door closed, the first 1/4” of door travel operated switch #1 and switches 24 bolts from the hoist control safety circuit to the locking pin solenoid through switch #2. The lock pin is raised by the solenoid and the disc is free to rotate as
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