D550-02-00
1
I56-357-04
B501 Plug-in Detector Base
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
Before Installing
Please thoroughly read the System Sensor manual I56-407,
Guide for Proper Use of System Smoke Detectors
, which
provides detailed information on detector spacing, place-
ment, zoning, wiring, and special applications. Copies of
this manual are available at no charge from System Sensor.
General Description
This plug-in detector base is used with System Sensor 200
and 500 Series detectors.
The B501 base is intended for use in an intelligent system
with screw terminals provided for power (+) and (–), and
remote annunciator connections. The communication takes
place over the power (+) and (–) lines.
Base Terminals
No.
Function
1
Power (–), Remote Annunciator (–)
2
Power (+)
3
Remote Annunciator (+)
3
2(+)
1(-)
BASE
TERMINALS
TAMPER PROOF
TAB
SHIELD
Figure 1. Terminal layout:
Specifications
Diameter:
4.0 inches (10.2cm)
Mounting:
50mm, 60mm, and 70mm centers
Electrical Ratings – includes base and detector
Voltage Range:
15-32 VDC
Standby Current (nominal):
150
µ
A at 24 VDC
Power-Up Surge at
Maximum Rated Voltage:
1.5mA–Sec.
LED Current (nominal):
6mA at 24 VDC
A78-1318-04
INSTALLATION AND MAINTENANCE INSTRUCTIONS
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