D150-07-00 1 I56-2169-001R
B114LPBT Plug-in Detector Base
INSTALLATION AND MAINTENANCE INSTRUCTIONS
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
www.systemsensor.com
SPECIFICATIONS
Base Diameter: 6.2 in (15.7 cm)
Base Height: 1.1 in (2.9cm)
Weight: 0.6 lb (260 g)
Mounting: 4˝ square box without plaster ring, minimum depth 1.5˝; 4˝ octagon box, minimum depth 1.5˝;
3
1
⁄2˝ octagon box, minimum depth 1.5˝
Operating Temperature Range: 0°C to 49°C (32°F to 120°F)
Operating Humidity Range: 10% to 93% Relative Humidity
Electrical Ratings (includes base and detector)
System Voltage: 24 VAC/DC, 60 Hz
Relay Contact Ratings Resistive Load: Form A — 2.0A @ 30VAC/DC; Form C — 2.0A @ 30VAC/DC, 1.0A @ 125VAC
(If used, the RA400 Remote Annunciator and RTC operates within the specified detector system voltage)
Standby Current: 25 mA typical @ 24V AC/DC; 35 mA maximum @ 35V AC/DC
Alarm Current: 75 mA typical @ 24V AC/DC; 94 mA maximum @ 35V AC/DC
Start-up Time (after 60 second reset): 36.0 Seconds maximum
BEFORE INSTALLING
Please thoroughly read System Sensor’s manual I56-407, Guide for Proper Use
of System Smoke Detectors. This manual provides detailed information on de-
tector spacing, placement, zoning, wiring, and special applications, and is
available at no charge from System Sensor.
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 NFPA 72 requirements. The detector used with this base
should be cleaned at least once a year.
GENERAL DESCRIPTION
The B114LPBT detector base is designed for use with System Sensor model
2151 photoelectronic and 1151 ionization detector heads. The capability of
plugging these detectors into a variety of special bases makes them more ver-
satile than equivalent direct-wired models. Refer to the System Sensor catalog
for other available plug-in bases. The B114LPBT base is intended for use in
4-wire systems with terminals provided for remote annunciator and relay con-
nections.
MOUNTING
The detector base mounts directly to 3
1
/2- and 4-inch octagon boxes and 4-inch
square boxes. 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 mounting slots in the base.
Position the decorative ring around the base and rotate it in either direction
until the ring snaps into place (see Figure 2).
BASE TERMINALS
NO. FUNCTION NO. FUNCTION
1 Remote Annunciator (+) 8 N.O. Alarm Relay
2 Test Coil (+) 9 N.O. Form A
3 Not Used 10 C. Initiation
4 Remote Annunciator (–) 11 C. Contacts
5 RTC (–) 12 N.O. Alarm Relay
6 C. Supervisory Relay 13 N.C. Form C
7 N.O. Form A Contacts 14 C. Auxiliary Contacts
INSTALLATION GUIDELINES
All wiring must be installed in compliance with the National Electrical Code,
all applicable local codes, and any special requirements of the authority hav-
ing jurisdiction, using the proper wire size. The conductors used to connect
smoke detectors to control panels and accessory devices should be color-coded
to reduce the likelihood of wiring errors. Improper connections can prevent a
system from responding properly in the event of a fire.
For signal wiring (the wiring between interconnected detectors), it is recom-
mended that the wire be no smaller than 16 gauge (1.5 square mm), and that
two- or three-conductor wire be no smaller than 18 gauge (1.0 square mm).
For best performance, alarm loop conductors should be installed in separate
grounded conduit or shielded cable to protect the alarm loop from extraneous
electrical interference.
Smoke detectors and alarm systems control panels have specifications for al-
lowable loop resistance. Consult the control panel manufacturer’s specifica-
tions for the total loop resistance allowed for the particular model control
panel being used before wiring the detector loops.
FIGURE 1. BASE TERMINALS:
BASE
TERMINALS
SHORTING
SPRING
STRIP GAUGE
1
2
3
5
4
TAMPER
RESISTANT TAB
6
7
8
9
10
11
12
13
14
24VDC/24VAC
TERMINALS
C1025-00
FIGURE 2. MOUNTING BASE TO BOX:
DECORATIVE
RING
SCREWS
(NOT SUPPLIED)
DETECT
BASE
BOX
(NOT SUPPLIED)
SHORTING
SPRING
C0503-00
I56-2169-001R
For use with the following smoke detectors: US - 1151, 2151, 2151T;
CANADA - 1151A, 2151A, 2151TA; EUROPE - 1151E, 2151E
(2 pages)
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