Stanley MA900n, Installation And Owner'S Manual

Page: 9 / 36

© 2005, The STANLEY WORKS. ALL RIGHTS RESERVED.
203936 Rev. C
MA900 Installation Manual
7
Minimum Installation Requirements
To be suitable for the installation of a Stanley MA900, the door and frame must meet the
following minimum requirements:
Check with the building manager or other responsible individual to make
sure that you are working on the correct door.
1. The MA900 must be mounted on the interior side of the building.
2. The door can weigh no more than 250 lb.
3. The door can be no more than 44 in. wide.
4. If there is a manual closer, it must be removed or made inoperable.
5. The door must be in good working order. The hinges must work properly; the door must swing freely
through its entire range.
6. The frame must be made of 16 gauge welded steel or better; or the mounting surface must be masonry; or
additional support must be provided behind the operator (see Figs 5 and 6).
7. For an outswing door, the reveal must be in the range 0-6 in. For an inswing door the reveal must be 0 in.
8. Power for the MA900 should be installed before starting the installation of the operator.
See Electrical Specifications section of this manual.
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Fig. 5
Typical left hand outswing application
Fig. 6
Typical right hand inswing application