D900-06-00
1
I56-750-57
SS24ADAS Series Strobes and
MASS24ADAS Series Synchronized
Horn/Strobes for Fire Protective
Signaling Systems
INSTALLATION AND MAINTENANCE INSTRUCTIONS
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
General Description
The National Fire Protection Association has published
standards and recommended practices for the installation
and use of the listed appliances. It is recommended that the
installer be familiar with these requirements, with local
codes, and any special requirements of the local fire au-
thority having jurisdiction.
The Multi-Alert sounder and signaling strobe are intended
to be connected to the alarm indicating circuit of a UL-
listed fire alarm control panel and is compatible with DC
line supervision. The electronic sounder can be connected
to either 12 or 24 VDC panels. Models SS2415ADAS,
SS241575ADAS, and combination models incorporating
these strobes, require 24 volt panels. Panels may have full-
wave rectified, unfiltered power supplies. The strobes are
synchronized and flash at a rate of one flash per second
with continuous voltage applied. SS24ADAS, SS24ADA,
MASS24ADAS, and MASS24ADA series devices may be
combined in the same zone.
Model
Supply
Operating Current from
Operating Current from Full-Wave
Voltage
Regulated Supply
Rectified Unfiltered Supply
Range
SS2415ADAS
20-30V
106
200
5.0/7.0
125
250
5.0/7.0
SS241575ADAS
20-30V
195
350
5.0/7.0
180
395
5.0/7.0
Average
Peak
Inrush
Average
Peak
Inrush
Operating Current
Current
Operating
Current
Current
Current
(mA)
(Amps)
Current
(mA)
(Amps)
(mA)
20/30
(mArms)
20/30
Vrms
Vrms
NOTE:
In-rush current du-
ration is less than 20
m i c r o s e c o n d s
(.00002 seconds).
Table 2. Sound output and current ratings for the MA12/24D:
Sound (Hz)
Clips on
Current (mA)
Output (dBA)
UL (dBA)
Tabs
DC Regulated/
(Note 3)
Ratings
(Note 1)
FWR Unfiltered
(Note 4)
12V
24V
30V
12V
24V
12V
24V
Slow Whoop
ABC
21/40
38/56
46/72
85
92
79
85
800 Continuous
BC
15/24
28/45
35/55
87
93
79
85
800/1000 Alternating
AC
17/32
34/46
43/58
85
92
79
85
2400 Interrupted
AB
19/23
35/56
43/64
89
90
79
85
2400 Continuous
C
21/31
38/59
46/73
85
94
79
85
1200 Interrupted
B
13/19
23/33
27/41
85
91
75
82
Swept Frequency
A
17/24
34/47
43/60
85
92
79
85
Fast Warble
NONE
15/27
30/47
38/59
85
92
79
85
Table 1. SS24ADAS Series Electrical Ratings:
Note 1:
See Figure 2 for tab clip removal & storage.
Note 2:
All models can be powered using full wave rectified unfiltered
supplies. Under no circumstances can SS24ADAS or
MASS24ADAS series devices input voltage exceed 33 VDC or be
less than 16 VDC (18-33Vrms for full-wave rectified, unfiltered
supplies).
Note 3:
Measured at 10 feet in an anechoic chamber.
Note 4:
Measured in a UL reverberant room.
The MA12/24D sounder is suitable for outdoor applica-
tions (-35
°
to 66
°
C) when it is used with a WBB Weather-
proof Back Box. The signaling strobe is rated for 0
°
to 49
°
C and is NOT suitable for outdoor use.
The UL-rated light output of the SS2415ADAS,
SS241575ADAS, MASS2415ADAS, and MASS241575ADAS
is 15 cd (See Figure 1).
NOTE:
The light output at 0
°
viewing angle for
SS241575ADAS and MASS241575ADAS is 75 cd.
Any one of eight sounds can be selected on the electronic
sounder, as indicated in Table 2.
NOTE:
SS24ADAS, MASS24ADAS AND MAEH24ADAS
SERIES DEVICES OPERATING IN THE SAME
ZONE WILL NOT BE SYNCHRONIZED IF ENER-
GIZED AT DIFFERENT TIMES (I.E., IF MORE
THAN ONE CONTROLLER IS CONTROLLING THE
SAME ZONE.)
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