P82467-001 L
Sheet 3 of 8
WARNING: MAKE SURE THAT THE TOTAL RMS CURRENT AND TOTAL AVERAGE CURRENT
REQUIRED BY ALL APPLIANCES THAT ARE CONNECTED TO THE SYSTEM’S PRIMARY AND SECONDARY
POWER SOURCES, NAC CIRCUITS, SM, DSM SYNC MODULES OR WHEELOCKS POWER SUPPLIES 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 the total currents: Use Table 2 to determine the highest value of “RMS Current” for an individual multitone.
Use Table 2A to determine the highest value of “Rated Average Current” for an individual multitone, then multiply these values
by the total number of multitones; be sure to add the currents for any other appliances powered by the same source and include
any required safety factors.
If the peak current exceeds the power supplies’ peak 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.
Table 3: dBA Ratings
dBA Reverberant Ratings Per UL 464 dBA Anechoic Ratings Per CAN/ULC S525-99
UL 24VDC UL 12VDC ULC 24VDC ULC 12VDC
Tone
HI/LO
Volume
16V 24V 33V 8V 12V 17.5V 20V 24V 31V 10.5V 12V 15.6V
HI 89 92 94 89 92 94 97 99 100 97 99 100
Horn
STD 84 87 90 84 87 90 91 93 94 91 93 94
HI 83 86 88 83 86 88 90 92 93 90 92 93
Bell
STD 76 80 83 76 80 83 85 87 88 85 87 88
HI 86 89 91 86 89 91 97 99 100 97 99 100 March
Time
STD 80 84 87 80 84 87 91 93 94 91 93 94
HI 85 88 90 85 88 90 97 99 100 97 99 100 Code 3
Horn
STD 79 83 86 79 83 86 91 93 94 92 93 94
HI 81 85 86 81 85 86 93 95 96 93 95 96 Code 3
Tone
STD 76 80 82 76 80 82 88 90 91 88 90 91
HI 87 90 92 87 90 92 97 99 100 97 99 100 Slow
Whoop
STD 81 85 87 81 85 87 92 94 95 92 94 95
HI 86 89 92 86 89 92 96 98 99 96 98 99
Siren
STD 81 84 87 81 84 87 91 93 94 91 93 94
HI 83 86 89 83 86 89 91 93 94 91 93 94
HI/LO
STD 77 81 84 77 81 84 86 88 89 86 88 89
ULC Directional Characteristics:
-3 dBA: 48 degrees left, 41 degrees right -6 dBA: 50 degrees left, 58 degrees right.
(16 paginas)
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