System Sensor PS24LO, PS24LOA, PS24LOW, PS24LOWA, PS24M Installation And Maintenance Instructions Manual
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INSTALLATION AND MAINTENANCE INSTRUCTIONS
F
I
R
E
60% 60%
100%100%
100%
(REF)
7%
60% 60%
7%
PA400*, PS12LO(W), PS12M(W),
PS24LO(W)*, and PS24M(W)*
Electronic Mini-Sounders and
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
A Division of Pittway
Optional Strobes
*ULC models add suffix “A”; available in 24VDC only
Specifications
PA400 Sounder
Operating Voltage: 9.6VDC (absolute min.) to 33VDC (absolute max.)
Current Drain: 12 mA at 12 volts
15 mA at 24 volts
Temperature Range: -10
Sound Output: Greater than 90 dBA measured in anechoic room at 10 feet, 24 volts.
PS12/24 Strobe
PS12LO(W) PS12M PS24LO(W) PS24M(W) PS24LOA(W) PS24MA(W)
Panel Voltage 12–17 VDC 12–17 VDC 22.5 - 30 VDC 22.5 - 30 VDC 22.5 - 30 VDC 22.5 - 30 VDC
Max. Current Drain @
Listed Panel Voltage
Min. Light Output @
100% Viewing Angle
(See Fig 2)
50 mA 180 mA 25 mA 75 mA 50 mA 180 mA
1.5 candela 15 candela 1.5 candela 15 candela 1.5 candela 15 candela
Temperature Range: 0°C to 49°C (32°F to 120°F)
Under no circumstances can the PS24 voltage exceed 33VDC or be less than 18VDC.
Under no circumstances can the PS12 voltage exceed 18.7VDC or be less than 9.6VDC.
To calculate battery requirements, use current values shown above. However, note that there is an in-rush current associated with
strobe power-up. The information in Figures 3 and 4 is useful when selecting fuse values.
As Figure 3 shows, 12V strobe in-rush current typically peaks at 3A and drops to nominal in 600
current typically peaks at 7.0A and drops to nominal in 800
Figure 3. 12 volt strobe in-rush current:
1A/div
o
C to +60oC (14oF to 140oF)
0°C to 49°C (32°F to 120°F) with strobe added
See Figure 1 for other voltages. 82 dBA minimum measured in UL reverbarant room
(75 dBA minimum with strobe)
Figure 1: Figure 2:
MODEL
µ
S.
92
91
90
89
dBA output
88
87
86
10 12 14 16 18 20 22
Voltage
µ
S. In a 24V strobe (Figure 4), in-rush
Figure 4. 24 volt strobe in-rush current:
1A/div
200
µ
S/div
General Information
The National Fire Protection Association has published codes,
standards, and recommended practices for the installation and
use of the above appliances. Therefore, the installer must be familiar with these requirements, with local codes, and any special
requirements of the authority having jurisdiction.
Model PA400
The PA400W (white) and PA400R (red) Piezo Alert electronic
sounder and optional supplementary signal strobes are intended
to be connected to the alarm indicating circuit of a UL-listed 12 or
24 VDC fire alarm control panel. The models PS12 and PS24 optional strobe additions to the PA400 require a 12 VDC or 24 VDC
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200
µ
S/div
panel, respectively and are able to operate from a full-wave rectified, unfiltered supply.
Installation Notes
The wiring must be in compliance with all codes and must not be
of such length or wire size that would cause the appliance to operate outside of its published specifications. The appliances must
also be tested after installation in accordance with the control
panel manufacturer’s test procedure.
NOTE: Do not loop wires under terminal screws. Wires
connecting the device to the panel must be broken at the
device screw terminal in order to maintain electrical
supervision.
1 I56-305-07
Mounting
PA400 Sounders
1. The PA400 is intended for mounting to a standard 2-1/2" deep
single-gang box which allows sufficient clearance for conduit
entrance.
2. The PA400 is compatible with DC line supervision. The Piezo
Alert is polarized and has terminals marked with polarity. Apply positive supply voltage to the (+) terminal and negative
supply voltage to the (–) terminal. (See Figure 5.)
3. Mount the appliance to the electrical outlet box using the two
mounting screws supplied.
4. Field repair of the PA400 should not be attempted. Return to
factory for repair or replacement.
PS12 or PS24 Strobes
These optional strobes are interconnected to the PA400 by first removing the two mounting screws from the sounder. Use a small
screwdriver to punch out the skinned-over areas as indicated in
Figure 6. Install the adapter plate on top of the sounder and screw
the combined sounder and adapter plate to the electrical outlet
box. Make sure field wiring terminals are oriented in the upward
position when mounted in the outlet box. Next, slide the strobe
directly into the slots in the plates. The positive solder lug may be
colored red or marked with a plus sign (+). This lug must be in
the slot closest to the field wiring terminals. Grasp the catch area
on each end of the strobe and squeeze while applying inward
force. Make sure the strobe catches fully engage the slots in the
adapter plate and that no gap appears at the interface between the
strobe and adapter plate.
Figure 5:
From
control
panel
or
previous
To
EOL
or
Next
Device
device*
*NOTE: Shown with control panel in alarm. Panel polarity
reversed in supervisory condition.
A78-1315-00.
Figure 6:
A78-1314-01
The Limitations of Sounders and Strobes
System Sensor’s sounder and signal strobe is designed to provide fire and
security hazard warning.
The strobe is for supplementary signaling use only.
The sounder or sounder/strobe combination will not work without
power. The sounder or sounder/strobe gets its power from the fire or se-
curity panel monitoring the alarm system. If power is cut off for any reason, the sounder or sounder/strobe combination will not provide the
desired audible or visual warning.
The sounder may not be heard. The loudness of the sounder meets or
exceeds current Underwriters Laboratories’ standards. however, the
sounder may not alert a sound sleeper or one who has recently used drugs
or has been drinking alcoholic beverages. The sounder may not be heard if
it is placed in an area which is isolated by a closed door, or if it is located
on a different floor from the person in hazard or if placed too far away to
be heard over the ambient noise such as traffic, air conditioners, machin-
Three-Year Limited Warranty
System Sensor warrants its enclosed sounder/strobe to be free from defects in materials and workmanship under normal use and service for a
period of three years from date of manufacture. System Sensor makes no
other express warranty for this sounder/strobe. No agent, representative,
dealer, or employee of the Company has the authority to increase or alter
the obligations or limitations of this Warranty. The Company’s obligation
of this Warranty shall be limited to the repair or replacement of any part of
the sounder/strobe which is found to be defective in materials or workmanship under normal use and service during the three year period commencing with the date of manufacture. After phoning System Sensor’s toll
free number 800-SENSOR2 (736-7672) for a Return Authorization number,
send defective units postage prepaid to: System Sensor, Repair Depart-
A78-1778-00
WARNING
ery, or music appliances that may prevent alert persons from hearing the
alarm. The sounder may not be heard by persons who are hearing im-
paired.
The signal strobe may not be seen. The electronic visual warning signal
meets or exceeds current Underwriters Laboratories’ standard 1638. The
visual warning signal is suitable for direct viewing and must be installed
within an area where it can be seen by building occupants. The strobe
must not be installed in direct sunlight or areas of high light intensity
where the visual flash might be disregarded or not seen. The strobe may
not be seen by the visually impaired.
The signal strobe may cause seizures. Individuals who have a positive
photic response to visual stimuli with seizures, such as epileptics, should
avoid prolonged exposure to environments in which strobe signals, including this strobe, are activated.
ment, RA #__________, 3825 Ohio Avenue, St. Charles, IL 60174. Please
include a note describing the malfunction and suspected cause of failure.
The Company shall not be obligated to repair or replace units which are
found to be defective because of damage, unreasonable use, modifications, or alterations occurring after the date of manufacture. In no case
shall the Company be liable for any consequential or incidental damages
for breach of this or any other Warranty, expressed or implied whatsoever,
even if the loss or damage is caused by the Company’s negligence or fault.
Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to
you. This Warranty gives you specific legal rights, and you may also have
other rights which vary from state to state.
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2 I56-305-07
© System Sensor 1996
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