273 Branchport Avenue
Long Branch, NJ 07740
(800) 631-2148 (USA) Thank you for using our products.
(800) 397-5777 (CANADA) INSTALLATION INSTRUCTIONS
www.wheelockinc.com SERIES AS AUDIBLE STROBE APPLIANCES
(CEILING MOUNT VERSION)
Use this product according to this instruction manual. Please keep this instruction manual for future reference.
GENERAL:
Wheelock’s AS Audible Strobe Appliances are the industry’s first 2-wire horn strobe alarm appliances that can provide a selectable
continuous or code 3 horn tone and continuous strobe when connected directly to the Fire Alarm Control Panel (FACP), or provide a
synchronized code 3 and synchronized strobe when used in conjunction with a Sync Module (SM), Dual Sync Module (DSM) or
Power Supply (PS-12/24-8 UL Only). The AS Appliances are UL Listed under Standard 1971 for Emergency Appliances for the
Hearing Impaired and UL Standard 464 for Audible Signal Appliances. The AS is also ULC Listed under Standard CAN/ULC-S525M87 for Visual Signaling Appliances and Standard CAN/ULC-S525-99 for Audible Signaling Appliances. They are listed for ceiling
mounting and indoor use only
gang and 4” backbox, 100mm European backbox or SHBB surface backbox (See Mounting Options). The AS Appliances use a
Xenon flashtube with solid state circuitry enclosed in a rugged Lexan lens to provide maximum visibility and reliability for effective
visible signaling.
Series AS Appliances can be field set to provide either High (HI) dBA, Medium (MED) dBA or Low (LO) dBA sound output.
All Series AS models are designed for use with either filtered DC (VDC) or unfiltered Full-Wave-Rectified (FWR) input voltage. All
inputs are polarized for compatibility with standard reverse polarity supervision of circuit wiring by a Fire Alarm Control Panel
(FACP).
The code 3 horn incorporates the temporal pattern (1/2 second on, 1/2 second off, 1/2 second on, 1/2 second off, 1/2 second
NOTE:
on, 1-1/2 off and repeat) specified by ANSI/NFPA for standard emergency evacuation signaling. The code 3 horn should be used
only for fire evacuation signaling and not for any other purpose.
NOTE: All CAUTIONS and WARNINGS are identified by the symbol
WARNING: THE AS STROBE APPLIANCE IS A "FIRE ALARM DEVICE - DO NOT PAINT."
NOTE: All Canadian Installations should be in accordance with the Canadian Standard for the Installation of Fire Alarm Systems -
CAN/ULC-S524-01 and Canadian Electrical Code, Part 1. Final acceptance is subject to Authorities Having Jurisdiction.
WARNING: PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE USING THIS PRODUCT. FAILURE
TO COMPLY WITH ANY OF THE FOLLOWING INSTRUCTIONS, CAUTIONS AND WARNINGS 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.
1. Strobe will produce 1 flash per second over the "Regulated Voltage" range.
2. Anechoic dBA is measured on-axis in a non-reflective (free field) test room using fast meter response. For peak dBA (measured
with peak meter response), add 5dBA to anechoic values shown in Table 2. Reverberant dBA is a minimum UL rating based on
sound pressure measurements in a reverberant test room.
3. All models are UL Listed for indoor use with a temperature range of +32oF to +120oF (0oC to +49oC) and maximum humidity
of 93% RH, ± 2%.
4. Ratings - tested range -20% below and 10% above.
WARNING: FOR UL APPLIACATIONS THESE APPLIANCES WERE TESTED TO THE OPERATING VOLTAGE LIMITS OF
16-33 VOLTS USING FILTERED (DC) OR UNFILTERED FULL-WAVE RECTIFIED (FWR). DO NOT APPLY 80% AND 110% OF
THESE VOLTAGE VALUES FOR SYSTEM OPERATION.
WARNING: FOR ULC APPLIACATIONS THESE APPLIANCES WERE TESTED TO THE OPERATING VOLTAGE LIMITS OF
20-31 VOLTS USING FILTERED (DC) OR UNFILTERED FULL-WAVE RECTIFIED (FWR). APPLY 80% AND 110% OF THESE
VOLTAGE VALUES FOR SYSTEM OPERATION.
WARNING: 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 STROBES.
Table 3: UL/ULC Current Ratings (AMPS) for 24VDC Models with Hi dBA Setting
Rated Average Current *
UL ULC AS-2415C AS-2430C AS-2475C AS-100C
Voltage Voltage MEAN RMS MEAN RMS MEAN RMS MEAN RMS
* Rated average current is measured using mean value.
WARNING: MAKE SURE THAT BOTH THE TOTAL AVERAGE CURRENT, TOTAL PEAK CURRENT AND
TOTAL INRUSH CURRENT REQUIRED BY ALL APPLIANCES THAT ARE CONNECTED TO THE SYSTEM’S
PRIMARY AND SECONDARY POWER SOURCES, NAC CIRCUITS, SM, DSM SYNC MODULES OR PS-12/24-8
POWER SUPPLY DO NOT EXCEED THE POWER SOURCES’ RATED CAPACITY OR THE CURRENT RATINGS OF
ANY FUSES ON THE CIRCUITS TO WHICH THESE APPLIANCES ARE WIRED. OVERLOADING POWER
SOURCES OR EXCEEDING FUSE RATINGS COULD RESULT IN LOSS OF POWER AND FAILURE TO ALERT
OCCUPANTS DURING AN EMERGENCY, WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS
INJURY OR DEATH TO YOU AND/OR OTHERS.
When calculating total average, peak or inrush currents: Use Table 3 and 3A to determine the highest value of “Rated Average
Current” for an individual strobe (across the expected operating voltage range of the strobe) or the highest value of “Rated Inrush
current” or “Rated Peak current” (whichever is higher) of an individual strobe (across the expected operating voltage range of the
strobe) then multiply the value by the total number of strobes; be sure to add the currents for any other appliances, including audible
signaling appliances, powered by the same source and include any required safety factor.
If the inrush current or peak current exceeds the power supplies’ inrush capacity, the output voltage provided by the power supplies
may drop below the listed voltage range of the appliances connected to the supply and the voltage may not recover in some types of
power supplies. For example, an auxiliary power supply that lacks filtering at its output stage (either via lack of capacitance and/or
lack of battery backup across the output) may exhibit this characteristic.
CAUTION: Strobes are not designed to be used on coded systems in which the applied voltage is cycled on and off.
P84024 E
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