System Sensor Smoke Alarm B501BH User Manual

INSTALLATION AND MAINTENANCE INSTRUCTIONS  
3825 Ohio Avenue, St. Charles, Illinois 60174  
1-800-SENSOR2, FAX: 630-377-6495  
B501BH Sounder Base  
Specifications  
Base Diameter:  
Base Height (less sensor):  
Weight:  
6.0 inches (15.2 cm)  
2.3 inches (5.9 cm)  
0.4 lb. (181 gm)  
Operating Temperature Range:  
Operating Humidity Range:  
Electrical Ratings  
32° to 120°F (0° to 49°C)  
10% to 93% Relative Humidity  
External Supply Voltage:  
Standby Current:  
Alarm Current:  
Maximum Ripple Voltage:  
Start-up Capacitance:  
17 to 32 VDC  
1.0 mA maximum  
15 mA maximum  
10% of supply voltage  
200 µF  
Communication/Initiating Loop Supply  
Current Draw from Remote Output  
of Sensor to turn on Horn:  
Sound Output:  
700 µA maximum  
Greater than 90 dBA measured in anechoic room at 10 feet, 24 volts. 85 dBA  
minimum measured in UL reverberant room.  
Before Installing  
The sounder base is intended for use with intelligent sys-  
Please read the System Smoke Detector Application Guide,  
which provides detailed information on sensor spacing.  
placement, zoning, wiring. and special applications. Copies  
of this manual are available from System Sensor. NFPA 72  
and NEMA guidelines should be observed.  
tems. Refer to the panel manual for the maximum allow-  
able number of units per loop. The sounder base requires  
an external 24VDC supply with reverse polarity capability.  
The connections for the external supply (terminals 1 and 2)  
and the communication loop (terminals 3 and 4) are iso-  
lated to prevent electrical interaction between them.  
NOTICE: This manual should be left with the owner/user  
of this equipment.  
When the sensor’s visible LEDs are latched on for approx-  
imately 10 seconds, the associated horn sounds. A loop of  
horns can be made to sound by reversing the polarity of the  
external supply.  
IMPORTANT: The detector used with this base must be  
tested and maintained regularly following NFPA 72 require-  
ments. The detector should be cleaned at least once a year.  
NOTE: When not used as a supplementary evacuation sys-  
tem, the external 24 VDC supply shall be treated as  
a component of the main power supply system and  
shall fall under the requirements of the main  
power supply system per NFPA 72.  
General Description  
The B501BH sounder base is used with System Sensor 200  
and 500 Series sensor heads. Refer to the appropriate man-  
ual for more information on sensors.  
D650-03-00  
1
I56-491-06R  
 
Wiring Instructions  
Sensors and bases must be tested after installation and as  
an integral part of periodic maintenance. Test the B501BH  
as follows:  
NOTE: External supply shown in normal standby configu-  
ration in Figure 4.  
1. Reverse the polarity of the external 24VDC supply. All  
B501BH bases on the loop should sound in approximate-  
ly 10 seconds.  
2. Latch the sensor LED on from the control panel. That  
unit’s B501BH should sound in approximately 10 seconds.  
The wiring diagram for a typical 2-wire intelligent system  
is shown in Figure 4 (the monitor module is supervising  
the external supply).  
Testing  
NOTES:  
1. There is approximately a 10 second delay built into the  
B501BH before sounding. This delay is present whether  
the control signal comes from the sensor or from the  
external power supply polarity being reversed.  
2. During automatic testing cycles. the horn may sound if  
the associated sensor is left in the test mode with LEDs  
latched on for more than 4 seconds. Therefore, it is nec-  
essary to complete testing of each sensor within this 4-  
second limit to prevent the horn from sounding.  
NOTE: Before testing, notify the proper authorities that  
the smoke sensor system is undergoing mainte-  
nance and, therefore, will be temporarily out of  
service. Disable the system undergoing mainte-  
nance to prevent unwanted alarms.  
Figure 4. Wiring diagram:  
Horn Grouping  
UL has approved horn grouping for up to six B501BH base the diagram. Since the grouping is not supervised, the  
with horn units. When wired as a group, any detector in groups can only be used for supplementary signaling.  
the group that has its LED’s latched on by the panel will  
cause other B501BH units in the group to sound. Grouping NOTE: Grouping horns together can only be used as a sup-  
is accomplished by wiring the grouped devices together plementary evacuation system. It is not acceptable to group  
using terminal 5, Sounder Base Interconnect, as shown in horns for primary alarm signaling.  
CLASS A OPTIONAL WIRING  
INTELLIGENT  
MONITOR  
MODULE  
OPTIONAL SOUNDER INTERCONNECT  
*
(+)  
(–)  
2
1
(+) COMM.  
(–) COMM.  
6
7
4
5
4
5
4
5
U.L.  
LISTED  
EOL  
RESISTOR  
47K  
3
2 1  
3
2 1  
3
2 1  
U.L.  
LISTED  
EOL  
RELAY  
24V  
(–) POWER  
(+) POWER  
CLASS A OPTIONAL WIRING  
A78-1990-01  
GROUPING OF UP TO 6 MODEL B501BHT TEMPORAL TONE SOUNDER BASES.  
*
D650-03-00  
3
I56-491-06R  
 
Please refer to insert for the Limitations of Fire Alarm Systems  
Three-Year Limited Warranty  
System Sensor warrants its enclosed smoke detector base to be free from  
Sensor, Returns Department, 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, unrea-  
sonable use, modifications, or alterations occurring after the date of man-  
ufacture. 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.  
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 smoke detector base. No agent, representa-  
tive, dealer, or employee of the Company has the authority to increase or  
alter the obligations or limitations of this Warranty. The Company’s obli-  
gation of this Warranty shall be limited to the repair or replacement of any  
part of the smoke detector base which is found to be defective in materi-  
als 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  
D650-03-00  
4
I56-491-06R  
2002 System Sensor  
©
 

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