Activation and safety sensor for automatic, sliding doors (21 pages)
Summary of Contents for BEA MAGIC SWITCH MS21H
Page 1
MAGIC SWITCH: MS21H Hardwired, Stainless Steel, Touchless, Visit website for Activation Sensor available languages of this document. DESCRIPTION 1. faceplate 2. mounting holes 3. set screws 4. backplate 5. NEMA 4 enclosure 6. wire harness 7. DIP-switches 8. potentiometer PRODUCT FAMILY 6”...
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WIRING IMPORTANT WIRING NOTES: • Always use a BEA-provided isolation module (polarity-sensitive) for powering each MS21. Red must be connected to power (+) and black connected to power (-). • It is recommended that 300 V, low-voltage cabling, shielded wire be used during installation.
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WIRING (cont.) It will take approximately 10 seconds to complete the initialization sequence once powered. Wire-nut harness wires and isolation module wires together and then connect the isolation module wires to the door control using the chart or visual representation below. NOTE: From isolation module to ACT, use either green (NO) OR yellow (NC).
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BEA, Inc. does not guarantee any use of the sensor outside of its intended purpose. BEA, Inc. strongly recommends that installation and service technicians be AAADM-certifi ed for pedestrian doors, IDA-certifi ed for doors/gates, and factory-trained for the type of door/gate system.
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