System Sensor B112LP User manual

B112LP Plug-in Detector Base
For use with the following smoke detectors:
IN US: 1151, 2151
IN CANADA: 1151A, 2151A
IN EUROPE: 1151E, 2151E
INSTALLATION AND MAINTENANCE INSTRUCTIONS
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: [phone]
www.systemsensor.com
Before Installing
Please read thoroughly System Sensor’s Applications Guide
for System Smoke Detectors (SPAG91), which provides
detailed information on detector spacing, placement,
zoning, wiring, and special applications. This manual is
available online at www.systemsensor.com. (For installa-
tion in Canada, 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 NFPA 72 require-
ments. The detector used with this base should be cleaned
at least once a year.
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: 24 VDC
Maximum Ripple Voltage: 4 Volts peak-to-peak
Start-Up Capacitance: 0.02µF Maximum
Standby Ratings: 20 VDC Minimum
29 VDC Maximum
120 µA Maximum
Alarm Ratings: 17 mA Minimum
36 mA Maximum
Reset Voltage: 1.4 VDC Minimum
Reset Time: 0.3 Seconds Maximum
(The optional RA400Z operates within specified detector alarm currents.)
Start-up Time: 34.0 Seconds Maximum
Relay Contact Ratings:
Resistive or Inductive (60% Power Factor)
Form A: 2.0 A @ 30 VAC/DC
Form C: 2.0 A @ 30 VAC/DC
0.6 A @ 110 VDC
1.0 A @ 125 VAC
General Description
The Model B112LP detector base is designed for use with
System Sensor model 2151 photoelectronic and 1151 ioniza-
tion detector heads. This four-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.
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Installation Guidelines
NOTE: Refer to the releasing device manufacturer’s
instructions for connection instructions.
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 operate
correctly if system components have incompatible allow-
able loop resistances. Therefore, before beginning installa-
tion, refer to the control panel manufacturer’s loop resis-
tance specification to ensure that it is listed as compatible
with the System Sensor base and smoke detector being
installed.
All wiring must be installed in compliance with the
National Electrical Code, all applicable local codes and any
special requirements of the authority having 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.
Wiring
For signal wiring (the wiring between interconnected
detectors), it is recommended that the wire be no smaller
than AWG 18. However, the screws and clamping plate in
the base can accommodate wire sizes up to AWG 12. The
use of twisted pair wiring for the power (+ and -) loop is
recommended to minimize the effects of electrical interfer-
ence.
NOTE: To ensure that electrical connections are super-
vised, DO NOT loop wires under terminals 2, 3,
and 5 –break the wire at each terminal.
To make electrical connections, strip approximately 3/8” (1
cm) insulation from the end of each wire. Slide the wires
under the clamp plate and tighten the terminal screw.
If the base is being installed in a zoned system, check the
zone wiring before installing the smoke detector head. The
built-in shorting spring makes it convenient to do this.
After the detector base is wired and attached to the electri-
cal box, position the shorting spring against terminal 3. Use
the slot in the retaining clip to hold the spring against the
terminal, as shown in Figure 1. This shorts the negative-in
and negative-out leads so that loop wiring can be tested
for continuity.
The shorting spring in the base will disengage automati-
cally when the detector head is removed from the base.
DO NOT remove the shorting spring since it reengages as
the detector head is turned into the base, completing the
circuit.
SNAP ON
DECORATIVE
RING
SCREWS
(NOT SUPPLIED)
DETECTOR
BASE
BOX
(NOT SUPPLIED)
SHORTING
SPRING
C0503-00
Figure 1. Mounting base to box:
Tamper-resistance Feature
NOTE: DO NOT use the tamper-resistance feature if the
System Sensor XR2 Removal Tool will be used to
remove detectors from the base.
This detector base can be made tamper resistant so the
detector cannot be removed without the use of a tool. To
make the base tamper-resistant, break off the smaller tab at
the scribed line on the tamper-resistance tab, on the detec-
tor mounting bracket (see Figure 3A), before installing the
detector.
To remove the detector from the base after it has been made
tamper resistant, remove the decorative ring by rotating it
in either direction and pulling it away from the base. Then,
insert a small screwdriver into the notch, as indicated in
figure 3B, and press the plastic lever toward the mounting
surface before rotating the detector counterclockwise for
removal.
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DETECTOR
POWER LOOP
(+)
(–)
ALARM
INITIATION LOOP
FCI
CONTROL PANEL
ALARM RELAY
AUXILIARY CONTACTS
N.O.
12
N.C.
13
C.
14
(2.8 VDC)
(+) (—)
1 4
ALARM
RELAY
REMOTE
ANNUNCIATOR
OUTPUT
(+IN) 2 3 (+OUT)
SPORTING
SPRING 5 (–IN, –OUT)
(IN)
10
(OUT)
11
ALARM RELAY
8
(IN)
9
(OUT)
FIRST DETECTOR IN LOOP
ALARM RELAY
AUXILIARY CONTACTS
N.O.
12
N.C.
13
C.
14
(2.8 VDC)
(+) (—)
1 4
ALARM
RELAY
REMOTE
ANNUNCIATOR
OUTPUT
(+IN) 2 3 (+OUT)
SPORTING
SPRING 5 (–IN, –OUT)
(IN)
10
(OUT)
11
ALARM RELAY
8
(IN)
9
(OUT)
FIRST DETECTOR IN LOOP EOL
RESISTOR
EOL RELAY
(+)
(–)
NOTE: Schematic
Shown for
Reference
1
2
34
5
891011
12
13
14
UL LISTED 4-WIRE CONTROL PANEL
REMOTE
ANNUNCIATOR
RELEASING
DEVICE
(OPTIONAL)
1
2
34
5
891011
12
13
14
REMOTE
ANNUNCIATOR
POWER LOOP +
POWER LOOP –
ALARM CIRCUIT
RELEASING
DEVICE
(OPTIONAL)
EOL RELAY
RESISTOR
+
–
+
–+
–
EOL
Figure 2. Typical wiring diagram:
Figure 3A. Activating the tamper-resistance feature:
PLASTIC LEVER
BREAK TAB AT DOTTED LINE BY
TWISTING TOWARD CENTER OF BASE
USE SMALL-BLADED SCREWDRIVER TO PUSH
PLASTIC LEVER IN DIRECTION OF ARROW
Figure 3B. Removing detector head from base:
C0130-00
C0533-00
C0532-00
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THREE-YEAR LIMITED WARRANTY
System Sensor warrants its enclosed smoke detector base 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 smoke detector base. No agent, represen-
tative, 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 smoke detector base 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 phon-
ing System Sensor’s toll free number 800-SENSOR2 (736-7672) for a
Return Authorization number, send defective units postage prepaid to:
Honeywell, 12220 Rojas Drive, Suite 700, El Paso TX 79936, USA. 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, modifica-
tions, 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 con-
sequential 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.
Please refer to insert for the Limitations of Fire Alarm Systems
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