Alarm tones – Notifier Series MT User Manual
Page 2
Page 2 of 4 — DN-4855 • 03/30/04
ALARM TONES
PLEASE READ THESE SPECIFICATIONS AND INSTALLATION INSTRUCTIONS CAREFULLY BEFORE USING, SPECIFYING OR
APPLYING 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.
GENERAL NOTES ON STROBES
• Strobes are designed to flash at 1 flash per second
minimum over their “Regulated Voltage Range”. Note
that NFPA-72 specifies a flash rate of 1 to 2 flashes
per second and ADA Guidelines specifies a flash
rate of 1 to 3 flashes per second.
• All candela ratings represent minimum effective
Multitone Strobe intensity based on UL Standard
1971.
• MT Strobe models are UL Standard 1971 Listed for
indoor use with a temperature range of 32°F to 120°F
(0°C to 49°C) and maximum humidity of 93% ±2%.
The MT-12/24 and MTWP models for outdoor use are
Listed for -31°F to 150°F (-35°C to 66°C) and maxi-
mum humidity of 95%
• MT Audible is UL Standard 464 Listed.
• “Regulated Voltage Range” is the newest terminol-
ogy used by UL to identify the voltage range. Prior
to this change UL used the terminology “Listed
Voltage Range”.
NOTES on dBA/CURRENT RATINGS TABLES ABOVE: 1) 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 5 dBA to typical anechoic values shown
in tables above. 2) Reverberant dBA is a minimum UL rating based on sound power measurements in a reverberant test room.
*
This setting is acceptable only for general signaling (non-fire alarm) use. Use the “high” dBA setting
with this tone or use a different tone for public mode fire alarm service.
)
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Note: If the strobe and audible operate on the
same circuit, add the strobe current from Table
2 to the audible current from Table 1. For Peak
and Inrush current across the listed voltage
range refer to Installation Instructions.
*Average RMS Current is per UL average RMS
method and Average Mean Current is per UL
average mean method. For rated In Rush and
Peak current across the UL listed voltage range
for both filtered DC and unfiltered VRMS (FWR),
see installation instructions.
TONES
PATTERN DESCRIPTION
H o rn
B ro adband H o rn (C o ntinuo us)
B ell
1560 H z M o dulated (0.07 se. ON /Repeat)
M arch Tim e H o rn H o rn (0.25 sec. ON /0.25 sec. OFF/R epeat)
C o de-3 H o rn
H o rn (A N SI S3.41 T em o pral P attern)
C o de-3 To ne
500 H z (A NSI S3.41 Tem o pral P attern)
Slo w Who o p
500-1200 H z Sweep (4.0 sec. ON /0.5 sec. OFF/R epeat)
Siren
600-1200 H z Sweep (1.0 sec. ON /R epeat)
H i\Lo
1000/800 H z (0.25 sec. ON /A lternate)