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

03-11

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

REMOTE

ANNUNCIATOR

REMOTE

ANNUNCIATOR

2-WIRE CONTROL PANEL

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

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