Related Manuals for Metasys SCM Synchronization
Summary of Contents for Metasys SCM Synchronization
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Page 1: Table Of Contents
Fire Initiating Devices and Notification Appliances Technical Manual 408 Notification Appliances Section Technical Bulletin Issue Date 1095 SCM Synchronization (Sync) Control Module Introduction Page General Description Installation Procedures Mounting Wiring Installation Guidelines Limitations © 1995 Johnson Controls, Inc. Code No. LIT-408255... - Page 2 2 Notification Appliances—SCM Synchronization (Sync) Control Module...
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Page 3: Introduction
Introduction The SCM synchronization (sync) control module is UL Listed under General Standard 1971 for emergency signaling devices for the hearing impaired Description and for indoor use by the Fire Protective Service. The SCM is manufactured by Wheelock for use with the Johnson Controls systems and is designed to work with the SL, SLM, and SHW sync strobes to provide synchronized flashes when the sync strobes are activated. - Page 4 Table 1: SCM Series Sync Control Module Specifications Model Nominal Voltage Rated Input Mounting (VDC) Voltage (VDC) Option SCM-24-R 20-31 Note: Ratings per UL 1971. 4 Notification Appliances—SCM Synchronization (Sync) Control Module...
- Page 5 2 milliseconds for the SL and SLM strobes, and is longer than 6 milliseconds for the SHW strobe, or that that the total inrush current presented to the power supply is less than its current capacity rating. Notification Appliances—SCM Synchronization (Sync) Control Module 5...
- Page 6 Include any required safety factors. Note: The time duration of the maximum inrush or peak current is 2 milliseconds for SL and SLM, and 6 milliseconds for SHW models. 6 Notification Appliances—SCM Synchronization (Sync) Control Module...
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Page 7: Installation Procedures
CAUTION: Equipment damage hazard. Check the installation instructions of the manufacturers of other equipment used in the system for any guidelines or restrictions on wiring and/or locating signaling circuits and signaling devices. Notification Appliances—SCM Synchronization (Sync) Control Module 7... -
Page 8: Wiring Installation Guidelines
A ud ible N o. 1 an d A ud ible N o. 2 E nd-of-Line R es is tor Con trol Device (E O LR ) scm 3 Figure 3: Sync Strobes Connection Diagram 8 Notification Appliances—SCM Synchronization (Sync) Control Module... - Page 9 1 Figure 5: Proper NAC Wire Termination Grounding Connect the signaling device to the backbox using the lock washer (provided in the hardware bag) under the head of each mounting screw. Notification Appliances—SCM Synchronization (Sync) Control Module 9...
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Page 10: Limitations
The signal sync strobe cannot operate from coded power supplies. Coded power supplies produce interrupted power. The sync strobe must have an uninterrupted source of DC power in order to operate correctly. 10 Notification Appliances—SCM Synchronization (Sync) Control Module... - Page 11 Notes Notification Appliances—SCM Synchronization (Sync) Control Module 11...
- Page 12 Notes Controls Group FAN 408 507 E. Michigan Street Fire Initiating Devices and Notification Appliances Technical Manual P.O. Box 423 Printed in U.S.A. Milwaukee, WI 53201 12 Notification Appliances—SCM Synchronization (Sync) Control Module...
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