Siemens SL2 Series Installation Instructions Manual

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INSTALLATION INSTRUCTIONSSL2 SERIES STROBE WITH PRE-WIRE/PRE-TESTCEILING MOUNT (BLUE LENS)Siemens Industry, Inc.Building Technologies Division2 Gatehall DriveParsippany, NJ 07054PN P85756-004ASiemens Canada LimitedBuilding Technologies Division1577 North Service Road EastOakville, Ontario, L6H 0H6CanadaPN P85756-004A Page 1IMPORTANT: All audible and visual signaling appliances must be installed in accordance with all applicable national and local fire alarmcodes and any other required regulatory agencies.The Siemens SL2STC-B multi-candela strobes are designed for easy installation with a pre-wire capable mounting plate. All models arefor 24V operation. SL2STC-B is designed for ceiling mounting only.The Siemens SL2 strobe meets NFPA 2016 20 millisecond light pulse duration code requirements. In addition, the Siemens SL2 productline has been UL/ULC listed as compatible with all Fire Alarm Control Panels (FACP) and accessories that have been determined to becompatible with Siemens ST Strobe based products including the SL, ST, SE, SEH, SET, S-HQ, STH, AS, CH, HS, MTH and Z series. Themaximum number of SL2 devices per NAC is determined by dividing the maximum current rating of the FACP NAC by the total currentrating of one SL2 device, with a maximum of 105 SL2 devices per NAC. Refer to FACP installation instructions and relevant compatibilityguides for more detail. The Siemens SL2 Series may be installed in the same notification zone and field of view with any Siemens ST, SL,and Z series Strobe based product.Siemens SL2 Multi-Candela Strobes can provide a synchronized strobe appliance when used in conjunction with an FACP that incorporatesthe Siemens sync protocol, a Sync Module (DSC), or the Siemens Power Supply.CAUTION: Do not change factory applied finishes. “DO NOT PAINT”.ATTENTION: Ne pas modifiez les finitions appliquées en usine. “NE PAS PEINTURER”IMPORTANT: PLEASE READ THESE INSTRUCTIONS CAREFULLY. FAILURE TO COMPLY WITH ANY OF THE FOLLOWINGINSTRUCTIONS COULD RESULT IN IMPROPER APPLICATION, INSTALLATION AND/OR OPERATION OF THESE PRODUCTS INAN EMERGENCY SITUATION, WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOUAND/OR OTHERS.SPECIFICATIONS:Table 1: SpecificationsModels SL2SCR-xxB, SL2SCW-xxB (xx = lettering code)Agency UL1638, UL1971, CAN/ULC-S526-16Input Voltage DC or FWR, 24V Regulated. 16 to 33V (All models)Strobe Candela 5, 12, 30, 40, 50, 65cd (field selectable)NAC Characteristics Max. line resistance: 35ΩEnvironmental Indoor Use Only. 0° C - 50° C (32° F - 122° F) 93% R.H.*UL1638 is an on axis rating where the following applies: effective candela rating per UL1971.Table 2: SL2STC-B Strobe Current Ratings (AMPS)Regulated 24DC (16-33VDC) Regulated 24FWR (16-33VRMS)Candela Setting 5cd 12cd 30cd 40cd 50cd 65cdDC 0.022 0.030 0.060 0.086 0.125 0.185FWR 0.036 0.050 0.092 0.142 0.196 0.274When calculating the total strobe current: Use Table 2 to determine the highest value of “RMS Current” for an individual appliance, thenmultiply these values by the total number of appliances; be sure to add the currents for any other appliances powered by the same sourceand include any required safety factors.Make sure that the total RMS current required required by all appliances that are connected to the system’s PRIMARY and SECONDARYpower sources, NAC circuits, DSC Sync Modules or Siemens Power Supplies does not exceed the power sources’ rated capacity or thecurrent ratings of any fuses on the circuits to which these appliances are wired.Check the minimum and maximum output of the power supply and standby battery, and subtract the voltage drop from the circuit wiringresistance to determine the applied voltage to the appliance.WIRING DIAGRAMS:Figure 1: SL2SC STROBE+-FROM PRECEDING APPLIANCEFACP, POWER SUPPLYOR SYNC MODULETO NEXTOR E.O.L.R.APPLIANCE+-*Refer to DSC Sync Module instruction sheet or Siemens Power Supplies for additional information.Figure 2:1. This model has in-out wiring terminals that accept #12 to #18 American Wire Gauge (AWG) wiresat each screw terminal. Strip leads 3/8 inches and connect to screw terminals.2. Break all in-out wire runs on supervised circuits to assure integrity of circuit supervision as shownin Figure 2. The polarity shown in the wiring diagrams is for operation of the appliances. The polarityis reversed by the FACP during supervision.NOTES:1. Strobe settings will determine the current draw of the product.2. The strobe will produce 1 flash per second over the "Regulated Voltage" range.3. Strobe is not designed to be used on coded systems in which the applied voltage is cycled on and off.4. The maximum number of SL2 strobes on a single notification appliance circuit shall not exceed 105.5. Blue strobes are not to be used as a Visual Public Mode alarm notification appliance.6. These appliances are UL Listed as “Regulated”. They are intended to be used with FACPs whose notification circuits are UL Listedas “Regulated.”7. These appliances were tested to the regulated voltage limits of 16.0-33.0 Volts. Do not apply voltage outside of this range. Checkthe minimum and maximum output of the power supply and standby battery and subtract the voltage drop from the circuit wiringresistance to determine the applied voltage to the strobes. The max wire impedance between strobes shall not exceed 35 ohms.8. Make sure that the total RMS current required by all appliances that are connected to the system’s primary and secondary powersources, notification appliance circuits, sync modules, or power supplies does not exceed the power sources rated capacity or thecurrent ratings of any fuses on the circuits to which these appliances are wired.9. The effect of shipping and storage temperatures shall not adversely affect the performance of the appliance when it is stored in theoriginal cartons and not subjected to misuse or abuse.

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