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<br /> Table 2: dBA and Current Ratings for Audible Portion of Multitone Signals With Strobes
<br /> Typical AnechoicJ Rated Reverberant dBA4
<br /> Input Current1 Input Current1 Input Current! dBA at1 0 Feet at10 Feet Per Ul 464
<br />Tone AMPS @ 24 VDC AMPS @ 12 VDC AMPS @ 115 VAC At Nominal At Minimal At Nominal
<br /> Input Voltage Input Voltage Input Voltage
<br /> HI STD HI STD HI STD HI STD HI STD HI STD
<br />Horn 0.040 0.023 0.100 0.020 0.050 0.040 99 93 85 79 88 82
<br />Bell 0.014 0.012 0.031 0.010 0.040 0.038 92 87 79 75 82 75
<br />Marcil Time Horn 0.040 0.023 0.100 0.020 0.050 0.040 99 93 82 75 85 79
<br />Code-3 Horn 0.040 0.023 0.100 0.020 0.050 0.040 99 93 79 75 82 75
<br />Code-3 Tone 0.028 0.017 0.060 0.015 0.042 0.038 95 90 75 70 * 79 73 *
<br />Slow Whoop 0.048 0.026 0.100 0.025 0.050 0.040 99 94 82 75 85 79
<br />Siren 0.036 0.023 0.082 0.020 0.045 0.040 98 93 82 75 85 79
<br />HilLa 0.020 0.014 0.044 0.012 0.041 0.039 93 88 79 75 82 75
<br />
<br />NOTES . UL 1638 only.
<br />
<br />1. Add 25% more input current than sllOwn in Tables 1 and 2 when operating the unit at maximum input voltage. Rated Input Voltage (either filter3d DC or unfiltered full-wave-rectified (FWR)):
<br />Strobes are designed to flash at 1 flash per second minimum from 20-31 VDC (for 24 VDC models) or 12-15.6 VDC (for 12 VDC models). Note that ADA guidelines presently specify a
<br />flash rate of 1 to 3 flashes per second and NFPA-72 (1996) specifies a flash rate of 1 to 2 flashes per second. Check the minimum and maximum output of the power supply and standby
<br />battery and subtract the voltage drop from the circuit wiring resistance to determine the applied voltage to the strobes.
<br />2. 115 VAC models have been UL tested to operate from 96 VAC to 132 VAC. Strobe candela at -350 Centigrade is reduced to 7.5 candela.
<br />3. 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
<br />values shown in Table 1 and 2.
<br />4. Reverberant dBA is a minimum UL rating based on sound power measurements in a reverberant test room.
<br />
<br />* A WARNING: MUL TITONE STROBE MOOElS SET ON "COOE-3 TONE" WITH "STANOARD dBA" DO NOT MEET THE 75 dBA MINIMUM UL REVERBERANT
<br />SOUND LEVEl REQUIRED FOR PUBLIC MODE FIRE PROTECTION SERVICE (NOTED BY * IN TABLE 2). MOOElS WITH SETTINGS WHICH PRODUCE LESS THAN 75
<br />dBA MAY NOT BE HEARD. THIS SETTING IS ACCEPTABLE ONLY FOR GENERAL SIGNALING (NON-FIRE ALARM) USE. USE THE "HIGH" dBA SETTING WITH THIS
<br />TONE OR USE A DIFFERENT TONE FOR PUBLIC MODE SERVICE.
<br />
<br />Alarm Tones
<br />
<br />Tone
<br />
<br />
<br />Tone
<br />Code-3 Tone
<br />Slow Whoop
<br />Siren
<br />Hi/La
<br />
<br />
<br />Horn
<br />Bell
<br />March Time Horn
<br />Code-3 Horn
<br />
<br />~.'.>
<br />V"
<br />
<br />MT Strobe models are UL 1971 Listed for indoor use with a temperature range of 320 F to 1200 F (00 C to 490 C) and maximum humidity of 85%. All MT and MT-4 with WM strobe models
<br />for outdoor use are Listed for 310 F to 1500 F (-350 C to 660 C) and maximum humidity of 95%.
<br />
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<br />
<br />NOTE: The letters SL and SLM denole Orderl'ng Informo.tl'on
<br />synchronized models.
<br />When calculating the maximum inrush or
<br />peak current: use Table 0 on page 61 to
<br />determine the highest value of "Rated
<br />Inrush Current" or "Rated Peak Current"
<br />(whichever is higher) for the SM or DSM
<br />(across the expected operating voltage
<br />range); then add that value to the total
<br />inrush or peak currents from any other
<br />appliances, including audible signaling
<br />appliances, on that circuit and include any
<br />required safety factors. For time duration of
<br />the maximum sync module inrush or peak
<br />current refer to the most current instruction
<br />sheet.
<br />
<br />NOTE: If the strobe and audible operate on
<br />the same circuit, add the strobe current
<br />from Ordering Information or Table 0 on
<br />page 61 to the proper audible current from
<br />Table 2.
<br />. Average current per actual Wheelock
<br />Production testing at 10.5, 12, 15.6,
<br />20, 24 & 31 VDC nominal voltage.
<br />For rated average, peak and inrush
<br />currents across the listed voltage
<br />ranges for both filtered DC and full
<br />wave rectified (FWR), see Table 0
<br />on page 61 or most current
<br />Installafion Instruction (refer to Fax-
<br />On-Demand listing in this catalog).
<br />.. Refer to Oata Sheet S7000 for
<br />Mounting Options or page 56 of
<br />this catalog.
<br />... Strobe is listed fOI UL 1638 only.
<br />.... SM Sync Mo~ules are rated for 3.0 amperes at 12/24 VDC; DSM Dual Circuit Modules are rated for 3.0 amperes per circuit. The maximum, number of interconnected OSM modules is twenty.
<br /># Note MT 4-12,24-R \.1111 not be available after 12/30/97. See replacement list at back of catalog and/or rJH-12/24-R in this catalog.
<br />
<br />SEE PAGE 3 FOR GENERAL ANO TECHNICAL NOTES.
<br />
<br />MT and MT4 models can be used with Wheelock's RSSP-24110W-FR (Non-Sync/Sync)
<br />strobe/plate assembly for 110 candela strobe signals
<br />
<br />Model Order Input Rated Average* Mounting"
<br />Number Code Voltage Candela Strobe Current (AMPS) Options
<br />MT-12/24-R 5023 12/24 --- --- E,F,L,M,O,P,T,U
<br />MT4-12/24-RIt 5308 12/24 --- ..-... D,J,K,O,R,T,U,Z
<br />MT-24-LS-VFR 5183 24 15 .074 E,F,L,M,O,P
<br />MT -24-Sl-VFR 6306 24 15 .096 E,F,l,M,O,P
<br />MT-24-LSM-VFR 5182 24 15/75 .100 E,F,L,M,O,P
<br />MT-24-SlM-VFR 6307 24 15n5 .138 E,F,l,M,O,P
<br />MT-24-MS-VFR 5321 24 30 .124 EJ,L,M,O,P
<br />MT-24-IS-VFR 5355 24 75 .200 E,F,L,M,O,P
<br />MT -24-WM-VFR * ** 5025 24 117 .088 E,F,L,M,O,P
<br />MT-12-LS-VFR 5383 12 ,15 .155 E,F,L,M,O,P
<br />MT-12.MS.VFR 5384 12 30 .227 '< E,F,L,M,O,P
<br />MT-12-LSM-VFR 5683 12 15/75 .210 E,F,L,M,O,P
<br />MT4-115-R 6223 115 VAC --- --- D,J,K,O,R,T,U,Z
<br />MT 4-115-WH-VFR * * * 6224 115VAC 15 .060 D,J,K,O,R,T,U,Z
<br />SINGLE CIRCUIT SM SYNC MODULE****
<br />SM-12/24-R 6369 12 .014 E,N '.
<br /> 24 .025 E,N
<br />DUAL CIRCUIT DSM SYNC MODULE****
<br />DSM-12/24-R 6374 I 12 .020 , 'W n
<br /> 24 .038 W
<br />
<br />wheeJock
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