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D450-10-00

1

I56-530-03

B404BT Plug-in Detector Base

INSTALLATION AND MAINTENANCE INSTRUCTIONS

A Division of Pittway

 3825 Ohio Avenue, St. Charles, Illinois 60174

1-800-SENSOR2, FAX: 630-377-6495

Specifications

Base Diameter:

6.2 inches (15.7 cm)

Base Height:

1.1 inches (2.9cm)

Weight:

0.6 lb. (260 g)

Mounting:

4-inch square box without plaster ring. Minimum depth–1.5 inches
4-inch octagon box. Minimum depth–1.5 inches

Operating Temperature Range:

0

°

 to 49

°

C (32

°

 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 or Inductive (60% power factor) load
Form A:

2.0A @ 30VAC/DC

Form C:

2.0A @ 30VAC/DC
0.6A @ 110VDC
1.0A @ 125VAC
(If used, the RA400 Remote Annunciator and RTC operates within the specified detec-
tor system voltage.)

Start-up Time:

36.0 Seconds maximum

(After 60 second reset)

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 detector 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 re-
quirements. The detector used with this base should be
cleaned at least once a year.

General Description

The B404BT detector base is designed for use with Sys-
tem Sensor model 2451 and 2451TH photoelectronic and
1451 ionization detector heads. The capability of plug-
ging 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 bases. The B404BT base is intended for
use in 4-wire systems with terminals provided for re-
mote annunicator and relay connections.

Power

Wire leads are provided for 24 VAC/DC power operation.

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