System-sensor 2551 and 2551T Plug-in Intelligent Bedienungsanleitung PDF herunterladen

D500-04-00 1 I56-292-05

2551 and 2551T Plug-in Intelligent

Photoelectronic Sensors with

Communications

INSTALLATION AND MAINTENANCE INSTRUCTIONS

A Division of Pittway

3825 Ohio Avenue, St. Charles, Illinois 60174

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

Before Installing

Please thoroughly read the system wiring and installation

manual, which provides detailed information on sensor

spacing, placement, zoning, and special applications. Cop-

ies of these manuals are available from System Sensor.

NOTICE: This manual should be left with the owner/user

of this equipment.

IMPORTANT: These detectors must be tested and main-

tained regularly following NFPA 72 requirements. These

detectors should be cleaned at least once a year.

General Description

The model 2551/2551T photoelectronic sensors utilize a

state-of-the-art, optical sensing chamber. These sensors are

designed to provide open area protection, and to be used

with compatible control panels only. Connect detectors

only to compatible control units. (For installation in

Canada, refer to CAN/ULC-S524-M86, Standard for the In-

stallation of Fire Alarm Systems and CEC Part 1, Sec. 32.)

Two LEDs on each sensor light to provide a local 360° vis-

ibility of the sensor indication. The LEDs can be latched

ON by code command from the panel for an alarm indica-

tion. The LEDs can also be unlatched to the normal condi-

tion by code command. Remote LED annunciator

capability is available as an optional accessory (part no.

RA400Z).

Specifications

Diameter: 6.1 inches (15.5 cm) installed in B501B

4.0 inches (10.2 cm) installed in B501

Height: 3.2 inches (8.1 cm)

Add 0.5 inches (1.3 cm) for thermal models

Weight: 9.6 ounces (272 g)

Installation Temperature Range

2551: 32° to 120°F (0° to 49°C)

2551T: 32° to 100°F (0° to 38°C)

Installation Humidity Range: 10% to 93% Relative Humidity

Mounting: B501B flanged base

B501 flangeless base

B501 with RMK400 recessed mounting kit

Maximum Air Velocity: 3000 Ft./Min. (15 m/S)

Voltage Range: 15 to 32 Volts DC Peak

Standby Current: 230

A @ 24 VDC

LED Current: 6.5 mA @ 24 VDC

The 2551T adds a thermal heat collector that will alarm at a

fixed temperature of 135° F.

Wiring Guide

Refer to the installation instructions for the particular plug-

in base being used: 1) for the B501B base (D550-01-01); 2)

for the B501 base (D550-02-00); 3) for the RMK400 used

with the B501 base (D450-07-00). Bases are provided with

screw terminals for power, ground, and remote annunciator

connections (see Figure 1).

NOTE: All wiring must conform to applicable local codes,

ordinances, and regulations.

NOTE: Verify that all sensor bases are installed and that

the wiring polarity is correct at each base.

WARNING

Remove power from the loop before installing sensors.

1. Install sensors:

a. Verify that the sensor type matches the type written

on the label on the base.

b. Set the sensor to a desired address and then write the

address on the label on the base.

c. Place the sensor into the sensor base.

1 2 3 4

Inhaltsverzeichnis

Seite 1 - Communications

D500-04-00 1 I56-292-052551 and 2551T Plug-in IntelligentPhotoelectronic Sensors withCommunicationsINSTALLATION AND MAINTENANCE INSTRUCTIONSA Division

Seite 2 - CONTROL PANEL

D500-04-00 2 I56-292-05d. Turn the sensor clockwise until it drops into place.e. Continue turning the sensor clockwise until it locksinto place.WARNIN

Seite 3 - D500-04-00 3 I56-292-05

D500-04-00 3 I56-292-05NOTE: If the sensor’s sensitivity limits or the MOD400Rlimits do not appear on the back of the sensor, theMOD400R is not suitab

Seite 4

D500-04-00 4 I56-292-05 © System Sensor 1996Three-Year Limited WarrantySystem Sensor warrants its enclosed smoke detector to be free from de-fects in

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