Instruction Manual
Page 2 of 4 DN-5505
STANDARD LIGHT DISTRIBUTION
A polar light distribution in both horizontal and vertical directions is mandated for the strobes by the Standard UL 1971
for the Hearing Impaired, with specific minimum intensity percentages as shown in the graphs above.
MASS Series ADA
SS Series ADA
ELECTRICAL RATINGS: STROBE ONLY
ENGINEERING SPECIFICATIONS
Strobe shall be a System Sensor Model ______ listed to Standard UL 1971 for the Hearing Impaired and shall be
approved for Fire Protective Service. Strobe shall be wired as a Primary Signaling Notification appliance. Strobe shall
also comply with the Americans with Disabilities Act requirements for visible signaling appliances. Strobe shall operate
at 24 VDC from a regulated DC supply or full-wave rectified, unfiltered supply. The signaling strobe shall be powered
from a non-coded power supply when powered with the horn or powered independently. Visual signaling devices are to
be installed in all non-sleeping/corridor and sleeping areas (110 cd only) per plans and specifications. The strobe light
shall consist of a xenon flash tube and associated lens/reflector system. Each strobe shall be designed for one flash per
second over all operating conditions. All strobes shall be capable of mounting to a standard 4" (101.6 mm) x 4" x 1-1/2"
(38.1 mm) backbox, in either a surface mount or semiflush mount with separate mounting plate. Strobe shall flash
synchronously with other SS24ADAS and MASS24ADAS Series devices in the same zone for a minimum of 15 minutes.
NOTE: SS24ADAS and MASS24ADAS Series devices operating in the same zone will not be synchronized if energized at different
times (i.e., if more than one controller is controlling the same zone).
DIMENSIONS
NOISREPSIDLACITREV
eergeD
fo%
gnitaR
eergeD
fo%
gnitaR
eergeD
fo%
gnitaR
eergeD
fo%
gnitaR
°0 %001°54%43 °56%61°58%21
°03-°5 %09°05%72 °07%51°09%21
°53 %56°55%22 °57%31
°04 %64°06%81 °08%21
NOISREPSIDLATNOZIROH
eergeD
fo%
gnitaR
eergeD
fo%
gnitaR
eergeD
fo%
gnitaR
eergeD
fo%
gnitaR
°0 %001°05%55 °56%53°08%03
°52-°5 %09°55%54 °07%53°58%52
°54-°03 %57°06%04 °57%03°09%52
ledoM
egatloVylppuS
egnaR
gnitarepOegarevA
morftnerruC
)Am(ylppuSdetalugeR
kaeP
gnitarepO
)Am(tnerruC
morftnerruCgnitarepO
,deifitceRevaW-lluF
Am(ylppuSderetlifnU
RMS *)
SADA5142SSCDV0302531052051
SADA575142SSCDV0302022593042
*For additional information, see installation instructions, document #D900-06-00.
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