D150-05-00 REV #: 003
1
I56-1028-000
B110LPA Plug-in Detector Base
For use with the 1151A and 2151A smoke detectors.
INSTALLATION AND MAINTENANCE INSTRUCTIONS
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,
placement, zoning, wiring, and special applications. Cop-
ies of this manual are available at no charge from System
Sensor. Please also refer to CAN/ULC-S524,
Standard for
the Installation of Fire Alarm Systems
and CEC Part 1,
Sec. 32.
NOTICE
: This manual should be left with the owner/user of
this equipment.
IMPORTANT
: The detector used with this base must be
tested and maintained regularly following CAN/ULC-S536
requirements. The detector used with this base should be
cleaned at least once a year.
General Description
The Model B110LPA detector base is designed for use with
Specifications
Base Diameter:
6.2 inches (157 mm)
Base Height:
0.95 inches (24 mm)
Weight:
0.3 lb. (137 g)
Mounting:
4-inch square box with or without plaster ring. Min. depth–1.5 inches
3-1/2-inch octagon box.
Min. depth–1.5 inches
Operating Temperature Range:
0° to 49°C (32° to 120°F)
Operating Humidity Range:
10% to 93% Relative Humidity, Noncondensing
Electrical Ratings - includes base and detector
System Voltage:
12/24 VDC
Maximum Ripple Voltage:
4 Volts peak-to-peak
Start-up Capacitance:
0.02 µF Maximum
Standby Ratings:
8.5 VDC Minimum
35 VDC Maximum
120 µA Maximum
Alarm Ratings:
4.2 VDC Minimum at 10 mA
6.6 VDC Maximum at 100 mA
(Alarm current must be limited to 100 mA by the control panel.
If it is used, the RA400ZA Remote Annunciator operates within the specified
detector alarm currents.)
Reset Voltage:
2.5 VDC Minimum
Reset Time:
0.3 Seconds Minimum
Start-up Time:
34.0 Seconds Maximum
System Sensor models 2151A photoelectronic and 1151A
ionization detector heads. This two-wire base is equipped
with screw terminals for the connection of power, ground,
and an optional remote annunciator.
Mounting
The detector base mounts directly to 3-1/2 inch and 4-inch
octagon boxes and 4-inch square boxes, with or without
plaster rings. To mount the base, remove the decorative
ring by rotating it in either direction to unhook the snaps
before separating the ring from the base. Use the screws
supplied with the junction box to attach the base to the box
through the appropriate slots in the base (see Figure 1).
Position the decorative ring around the base and rotate it
in either direction until the ring snaps into place.
Installation Guidelines
Allowable loop resistance is an important specification for
control panels as well as for smoke detectors and their
bases. The alarm system cannot be expected to oper-
6581 Kitimat Rd., Unit #6, Mississauga, Ontario, L5N 3T5
1-800-SENSOR2, FAX: 905-812-0771
www.systemsensor.ca
