System Sensor B401 Manuel utilisateur
B401 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
Before Installing
Please thoroughly read the System Smoke Detectors
Application Guide, which provides detailed information
on detector spacing, placement, zoning, wiring, and spe-
cial applications. Copies of this manual are available 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 require-
ments. The detector used with this base should be cleaned
at least once a year.
Specifications
Base Diameter: 10.2 cm (4.0 inches)
Base Height: 2.0 cm (0.8 inches)
Weight: 152 g (0.34 lb.)
Mounting: 50 mm box
60 mm box
Operating Temperature Range: –10° to +60°C (14° to 140°F) — European Installation
0° to 49°C (32° to 120°F) — US/Australian Installation
Operating Humidity Range: 10% to 93% Relative Humidity
Electrical Ratings — includes base and detector
Base And Smoke Detector Base And Heat Detector
System Voltage: 12/24 VDC 24 VDC
Maximum Ripple Voltage: 4 Volts peak to peak 4 Volts peak to peak
Start-up Capacitance: 0.02 µF Maximum 0.02 µF Maximum
Standby Ratings:* 8.5 VDC Minimum 15 VDC Minimum
35 VDC Maximum 35 VDC Maximum
120 µA Maximum 100 µA Maximum
Alarm Ratings: 4.2 VDC Minimum at 10 mA** 4.2 VDC Minimum at 10 mA**
6.6 VDC Maximum at 100 mA** 6.6 VDC Maximum at 100 mA**
Reset Voltage: 2.5 VDC Minimum 2.5 VDC Minimum
Reset Time: 0.3 Seconds Maximum 0.3 Seconds Maximum
Start-up Time: 34 Seconds Maximum 34 Seconds Maximum
* 1151E: 30 µA Maximum.
** Alarm current MUST be limited to 100 mA maximum (130 mA for models 1151 and 2151) by the control panel.
If used, the RA400Z Remote Annunciator operates within the specified detector alarm currents.
General Description
This B401 plug-in detector base is used with System Sensor
smoke and heat detector heads. The capability of plugging
these detectors into a variety of special bases makes them
more versatile than equivalent direct-wired models. Refer
to the System Sensor catalog for other available plug-in
detector bases.
The B401 base is intended for use in 2-wire systems, with
screw terminals provided for power and remote annuncia-
tor connections.
For use with the following detectors:
US Models: 1151, 1451, 2151, 2451, 2451TH, 5451
European Models: 1151E, 1451E, 2151E, 2451E, 5451E
Australian Models: 1151AUS, 1451AUS, 2151AUS, 2451AUS, 4451AUS
5451AUS, 51A51, 51B51, 51C51, 51D51
I56-0338-010R
1 I56-0338-010R
03-11
C0589-00
Figure 1. Mounting base to box:
SHORTING
SPRING
Mounting
Figure 1 shows mechanical mounting details. These detec-
tor bases mount to typical junction boxes. Attach the base
to the box using the screws supplied with the junction box.
Installation Guidelines
All wiring must be installed in compliance with applicable
codes and the authority having jurisdiction. Proper wire
gauges should be used. 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 recommended that the wire be no smaller
than 18 gauge. Wire sizes up to 12 gauge may be used with
the base. For best system performance, the power (+) and
(–) loop wires should be twisted pair and installed in sepa-
rate grounded conduit to protect the loop from extraneous
electrical interference.
Smoke detectors and alarm system control panels have
specifications for allowable loop resistance. Consult the
control panel manufacturer’s specifications for the total
loop resistance allowed for the control panel being used
before wiring the detector loops.
Wiring Instructions
CAUTION
Do not loop wire under terminals. Break wire run to ensure
supervision of connections.
Wire connections are made by stripping about 3⁄8” of insu-
lation from the end of the wire (use strip gauge molded in
base), sliding the bare end of the wire under the clamping
plate, and tightening the clamping plate screw.
Two-wire initiating devices receive their power from the
initiating circuit of a control panel. Electrical specifications
of the control panel and the detector-base combination
must be compatible for the system to function properly.
System Sensor maintains a list of two-wire detectors and
control panels that are listed as compatible. The 2-Wire
Compatibility Chart is available from System Sensor at no
charge.
The zone wiring of the detector bases should be checked
before the detector heads are installed. To make this pos-
sible, this base contains a special spring-type shorting
jumper (shown in Figure 1). After a detector base is prop-
2 I56-0338-010R
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erly wired and mounted to an electrical box, make sure
that the shorting spring is in contact with terminal 3. This
temporary connection permits the wiring of the loop to be
checked for continuity before installation of the detector
heads. The shorting spring in the base automatically disen-
gages when the detector head is removed from the base. DO
NOT remove the shorting spring since it reengages as the
detector head is turned in the base, completing the circuit.
Tamper-resistance Feature
This detector includes an optional tamper-resistance fea-
ture that prevents its removal from the base without the
use of a tool.
NOTE: DO NOT use the tamper-resistant feature if the XR-
5 or XR-2 removal tool is to be used.
To make the detector tamper-resistant, remove the smaller
tab by breaking it at the scribed line on the tamper-resis-
Figure 2. Typical 2-wire detector wiring configuration:
C0529-00
2
3
4
1
REMOTE
ANNUNCIATOR
2
3
4
1
REMOTE
ANNUNCIATOR
2-WIRE CONTROL PANEL
E
O
L
CLASS A OPTIONAL WIRING
tant tab before installing the detector (see Figure 3A). The
tamper-resistant tab is on the detector mounting base.
To remove a tamper-resistant detector from the base, use a
pocket screwdriver, or similar tool, to depress the tamper-
resistant tab and turn the detector counterclockwise. The
tab is accessible through the slot on the mounting base (see
Figure 3B).
The tamper-resistance feature can be defeated by breaking
and removing the plastic lever from the base. However, this
permanently disables the tamper-resistance feature.
Optional Remote Annunciator Units
The model RA400Z remote LED annunciator is available
as an optional accessory. This unit has a rectangular plate
that fits U.S. single-gang light switch boxes. If a different
type of remote annunciator is used, it must be rated for the
appropriate voltage, which is 2.75 to 3.0V.
C0591-00
Figure 3A. Activating tamper-resistance feature: Figure 3B. Removing detector head from base:
C0590-00
3 I56-0338-010R
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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:
Please refer to insert for the Limitations of Fire Alarm Systems
Three-Year Limited Warranty
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, modifications,
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 consequen-
tial 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.
4 I56-0338-010R
©2016 System Sensor. 03-11
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