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INSTALLATION INSTRUCTIONS
SL2 SERIES HORN AND STROBE WITH PRE-WIRE/PRE-TEST
WALL MOUNT (CLEAR AND AMBER LENS)
IMPORTANT: All audible and visual signaling appliances must be installed in accordance with all applicable national and local fire alarm
codes and any other required regulatory agencies.
The Siemens SL2 Series horn (SL2H), strobe (SL2S), and horn/strobe (SL2HS) appliances are designed for easy installation with a pre-
wire capable mounting plate. All models are for 24V operation. The SL2H horn is also for 12V operation. SL2S strobe and SL2HS
horn/strobe are for wall mount only. SL2H horn can be wall or ceiling mounted.
The Siemens SL2 strobe meets NFPA 2016 20 millisecond light pulse duration code requirements. In addition, the Siemens SL2 product
line has been UL/ULC listed as compatible with all Fire Alarm Control Panels (FACP) and accessories that have been determined to be
compatible with Siemens ST Strobe based products including the SL, ST, SE, SEH, SET, S-HQ, STH, AS, CH, HS, MTH and Z series. The
maximum number of SL2 devices per NAC is determined by dividing the maximum current rating of the FACP NAC by the total current
rating of one SL2 device, with a maximum of 105 SL2 devices per NAC. Refer to FACP installation instructions and relevant compatibility
guides 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 and Horn-Strobes can provide a synchronized strobe appliance when used in conjunction with an
FACP that incorporates the 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 FOLLOWING
INSTRUCTIONS COULD RESULT IN IMPROPER APPLICATION, INSTALLATION AND/OR OPERATION OF THESE PRODUCTS IN
AN EMERGENCY SITUATION, WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU
AND/OR OTHERS.
SPECIFICATIONS:
Models
SL2S (Strobe), SL2HS (Horn-Strobe), SL2H (Horn). SL2S-A (Amber)
Agency
Horn:
UL464, ULC-S525-16
Strobe: UL1638, UL1971, CAN/ULC-S526-16
Input Voltage
DC or FWR, 24V Regulated. 16 to 33V (All models)
DC or FWR, 12V Regulated. 8 to 17.5V (SL2H only)
Horn Settings
Non-Sync: Continuous, Code 3 (field selectable)
Siemens Sync Protocol: Code 3,Sync, Code 4 or T3/T4 Sync Selectable (w/DSC)
Coded Operation: Use Continuous Setting on SL2H Horn Only Model
Horn Sound Output
High (H), Low (L). (field selectable)
Strobe Candela
15, 30, 75, 110, 135, 185cd (field selectable)
NAC Characteristics
Max. line resistance: 35Ω
Environmental
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 2A: Horn Sound Pressure Level Ratings
Reverberant dBA at 10Ft per UL464
Horn Setting
SL2H
at 12V
CONT, T3, T3/T4 (H)
80
CONT, T3, T3/T4 (L)
78
Table 2B: Directional Characteristics
-3dB
-6dB
Table 3: SL2S and SL2S-A, Strobe Current Ratings (AMPS)
Regulated 24DC (16-33VDC)
Candela Setting
15cd
DC
0.022
FWR
0.036
NOTE: The Code 3 temporal pattern (1/2 second on, 1/2 second off, 1/2 second on, 1/2 second off, 1/2 second on, 1-1/2 off and repeat)
is specified by ANSI and NFPA 72 for standard emergency evacuation signaling. (Available with Sync or Non-Sync operation)
NOTE: The Code 4 temporal pattern (100 ms on, followed by 100 ms off, for 4 cycles, followed by 5 seconds of silence and repeat), is
specified by ANSI and NFPA 720 for carbon monoxide emergency signaling. (Available with Sync operation only). Code 4 (T4) may not
synchronize on multi-NAC (multi-zone) installations. To improve synchronization, NAC's must be energized simultaneously.
PN P85750-001A
Table 1: Specifications
Anechoic dBA at 10 Ft per ULC-S525
SL2H/SL2HS
SL2H
SL2H/SL2HS
at 24V
at 12V
80
85
78
79
+/- 80 Degrees Horizontal, +/- 80 Degrees Vertical
+/- 90 Degrees Horizontal, +/- 90 Degrees Vertical
Regulated 24FWR (16-33VRMS)
30cd
75cd
110cd
135cd
0.030
0.060
0.086
0.125
0.050
0.092
0.142
0.196
Input
DC
FWR
Input
DC
FWR
When calculating the total current, use Table 3, 4, and 5 to determine the highest value of "RMS Current" for an individual appliance, then
multiply these values by the total number of appliances; be sure to add the currents for any other appliances powered by the same source
and 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 SECONDARY
power sources, NAC circuits, DSC Sync Modules or Siemens Power Supplies does not exceed the power sources' rated capacity or the
current 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 wiring
resistance to determine the applied voltage to the appliance.
WIRING DIAGRAMS:
*Refer to DSC Sync Module instruction sheet or Siemens Power Supplies for additional information.
Figure 2:
at 24V
91
86
NOTES:
1.
Horn and 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.
Amber strobes are not to be used as a Visual Public Mode alarm notification appliance.
5.
These appliances are UL Listed as "Regulated". They are intended to be used with FACPs whose notification circuits are UL Listed
as "Regulated."
6.
These appliances were tested to the regulated voltage limits of 16.0-33.0 Volts. Do not apply voltage outside of this range. Check
the minimum and maximum output of the power supply and standby battery and subtract the voltage drop from the circuit wiring
185cd
resistance to determine the applied voltage to the strobes. The max wire impedance between strobes shall not exceed 35 ohms.
0.185
7.
Make sure that the total RMS current required by all appliances that are connected to the system's primary and secondary power
0.274
sources, notification appliance circuits, sync modules, or power supplies does not exceed the power sources rated capacity or the
current ratings of any fuses on the circuits to which these appliances are wired.
8.
The Code 3 temporal pattern (1/2 second on, 1/2 second off, 1/2 second on, 1/2 second off, 1/2 second on, 1-1/2 off and repeat) is
specified by ANSI and NFPA 72 for standard emergency evacuation signaling. Code 3 shall be used only for fire evacuation signaling
and not for any other purpose.
9.
The effect of shipping and storage temperatures shall not adversely affect the performance of the appliance when it is stored in the
original cartons and not subjected to misuse or abuse.
Siemens Industry, Inc.
Building Technologies Division
2 Gatehall Drive
Parsippany, NJ 07054
PN P85750-001A
Table 4: SL2HS and SL2HS-A Horn-Strobe, Current Ratings (AMPS at 24V)
Strobe Candela Setting
Horn Setting
15cd
30cd
CONT, T3, T3/T4 (H)
0.037
0.046
CONT, T3, T3/T4 (L)
0.030
0.039
CONT, T3, T3/T4 (H)
0.064
0.078
CONT, T3, T3/T4 (L)
0.057
0.071
Table 5: SL2H Horn, Current Ratings (AMPS)
Horn Setting
Regulated 12V (8-17.5V)
CONT, T3, T3/T4 (H)
0.025
CONT, T3, T3/T4 (L)
0.020
CONT, T3, T3/T4 (H)
0.045
CONT, T3, T3/T4 (L)
0.035
Figure 1: SL2S, SL2HS, or SL2H
-
FROM PRECEDING APPLIANCE
FACP, POWER SUPPLY
+
OR SYNC MODULE
1. This model has in-out wiring terminals that accept #12 to #18 American Wire Gauge (AWG) wires
at 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 shown in
Figure 2. The polarity shown in the wiring diagrams is for operation of the appliances. The polarity is
reversed by the FACP during supervision.
Siemens Canada Limited
Building Technologies Division
1577 North Service Road East
Oakville, Ontario, L6H 0H6
Canada
75cd
110cd
135cd
185cd
0.077
0.109
0.146
0.208
0.070
0.102
0.139
0.201
0.130
0.180
0.230
0.310
0.123
0.173
0.223
0.303
Regulated 24V (16-33V)
0.028
0.021
0.048
0.038
-
TO NEXT
APPLIANCE
+
OR E.O.L.R.
Page 1
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Summary of Contents for Siemens SL2S
- Page 1 SL2 device, with a maximum of 105 SL2 devices per NAC. Refer to FACP installation instructions and relevant compatibility CONT, T3, T3/T4 (H) 0.025 0.028 guides for more detail. The Siemens SL2 Series may be installed in the same notification zone and field of view with any Siemens ST, SL, CONT, T3, T3/T4 (L) 0.020 0.021 and Z series Strobe based product.
- Page 2 Align cover to the SL2S/SL2HS/SL2H appliance with strobe opening over LED lens. Then, snap the cover in place. To remove the appliance, insert a small flat-bladed screwdriver into the bottom opening ½” as shown in Figure 5. Then remove grille.