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Apollo 55000-268 - User Manual

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© Apollo Fire Detectors Limited 2005-2008
0786
FUNCTION
The intelligent refl ective beam detector is a compact
detector for detecting smoke in large open areas such
as atria, warehouses, theatres and churches. It also
has a built-in 20D negative bi-directional short circuit
isolator.
The transmitter and receiver form a single unit
mounted to a wall of the building. A refl ector which
returns the IR beam from the transmitter to the
receiver is mounted on the opposite wall. In the event
of smoke partially obscuring the light an imbalance
between the transmitted and received light will occur.
On interrogation by the control panel the detector will
then transmit an alarm value.
The intelligent refl ective beam detector is an addition
to the Apollo range and not a replacement for the
XP95 loop-powered beam detector.
FEATURES
The intelligent refl ective beam detector is supplied in
two versions: one for use at distances of 5–50m from
detector to refl ector and the other for distances of
50100m.
The detector is factory set to a beam obscuration of
35% which is the best setting for most factories and
warehouses. The setting can be changed to 25% for
of ces and clean areas such as theatres or to 50% for
hostile areas such as mills or foundries.
The detector compensates automatically for gradual
contamination of the lenses in order to avoid false
alarms.
The detector is non-latching and resets 30 seconds
after an alarm event ceases and in 3 seconds after the
removal of a fault.
A termination backbox, part no 29600-241, is available.
This allows easy fi rst fi xing of the cabling and termina-
tions to the intelligent refl ective beam detector. The
termination backbox can be surface or fl ush mounted.
PP2155/2008/Issue 3
INTELLIGENT REFLECTIVE
BEAM DETECTOR
Part nos 55000-268 (5–50m)
55000-273 (50100m)

Other manuals for Apollo 55000-268

Questions and Answers

Summary

Function

Product Overview

Compact detector for large open areas, with built-in isolator.

Operating Principle

Uses a transmitter/receiver unit and a reflector; detects alarms via light imbalance.

Features

Range Versions

Available for 5-50m and 50-100m distances between detector and reflector.

Adjustable Obscuration Settings

Factory set to 35%, adjustable to 25% or 50% for different environments.

Automatic Contamination Compensation

Automatically compensates for gradual lens contamination to prevent false alarms.

Electrical Considerations

Loop Power and Current Draw

Loop-powered, requires no external supply; details current draw and loop capacity.

Loop Calculator Tool

Apollo's free tool for system designers to calculate loop voltage drop.

LED Fault Indication

Standard Fault Status

Amber LED flashes once per second to indicate a fault condition.

Drift Compensation Limit

Amber LED flashes every 2 seconds when drift compensation limit is reached.

Panel Compatibility

Further Information

Installation Guide

Refers to installation guide PP2146 for system design and installation details.

Technical Topics Covered

Covers system design, installation, targeting, alignment, commissioning, and troubleshooting.

Summary

Function

Product Overview

Compact detector for large open areas, with built-in isolator.

Operating Principle

Uses a transmitter/receiver unit and a reflector; detects alarms via light imbalance.

Features

Range Versions

Available for 5-50m and 50-100m distances between detector and reflector.

Adjustable Obscuration Settings

Factory set to 35%, adjustable to 25% or 50% for different environments.

Automatic Contamination Compensation

Automatically compensates for gradual lens contamination to prevent false alarms.

Electrical Considerations

Loop Power and Current Draw

Loop-powered, requires no external supply; details current draw and loop capacity.

Loop Calculator Tool

Apollo's free tool for system designers to calculate loop voltage drop.

LED Fault Indication

Standard Fault Status

Amber LED flashes once per second to indicate a fault condition.

Drift Compensation Limit

Amber LED flashes every 2 seconds when drift compensation limit is reached.

Panel Compatibility

Further Information

Installation Guide

Refers to installation guide PP2146 for system design and installation details.

Technical Topics Covered

Covers system design, installation, targeting, alignment, commissioning, and troubleshooting.

Overview

The Apollo Intelligent Reflective Beam Detector is a compact, loop-powered device designed for smoke detection in large open areas such as atria, warehouses, theatres, and churches. It incorporates a built-in 20D negative bi-directional short circuit isolator.

Function Description:

The detector operates as a single unit, combining both transmitter and receiver, mounted on one wall of a building. A reflector is installed on the opposite wall to return the infrared (IR) beam. When smoke partially obstructs the IR beam, an imbalance occurs between the transmitted and received light. Upon interrogation by the control panel, the detector transmits an alarm value. This intelligent reflective beam detector expands the Apollo range but does not replace the XP95 loop-powered beam detector.

Important Technical Specifications:

  • Supply Voltage: 17-28V DC (plus protocol).
  • Supply Current:
    • Prism targeting mode: 17mA
    • Alignment mode: 17mA
    • Run mode (quiescent): 5mA
    • Alarm (LED illuminated): 9mA
    • Fault (LED illuminated): 5mA
  • Alarm Thresholds:
    • 25%: 2.50dB
    • 35%: 3.74dB
    • 50%: 6.02dB
  • Operating Temperature: -20°C to 55°C.
  • Humidity: 0 to 93%RH (Non-Condensing).
  • IP Rating: 50.
  • Material: Flame Retardant ABS.
  • Colour: Grey/Black.
  • Dimensions (Beam Detector):
    • Width: 130mm
    • Height: 210mm
    • Depth: 120mm
    • Weight: 670g
  • Dimensions (Termination Backbox):
    • Width: 130mm
    • Height: 190mm
    • Depth: 50mm

Usage Features:

  • Distance Versions: The detector is available in two versions:
    • Part No. 55000-268 (or 45681-334): For distances of 5-50m from detector to reflector.
    • Part No. 55000-273 (or 45681-292): For distances of 50-100m from detector to reflector.
  • Adjustable Obscuration Settings: The detector is factory-set to a beam obscuration of 35%, which is optimal for most factories and warehouses. This setting can be adjusted:
    • To 25% for offices and clean areas (e.g., theatres).
    • To 50% for hostile areas (e.g., mills or foundries).
  • Non-Latching Operation: The detector is non-latching, meaning it automatically resets 30 seconds after an alarm event ceases. It also resets in 3 seconds after the removal of a fault.
  • Termination Backbox: A termination backbox (Part No. 29600-241 or 45681-293) is available to facilitate easy first fixing of cabling and terminations. This backbox can be surface or flush mounted.
  • Loop-Powered: The device is loop-powered and does not require an external power supply. Each beam detector draws approximately 5mA in quiescent mode and 9mA in alarm mode from the analogue addressable loop. It is recommended that no more than ten beam detectors be powered from each loop, unless a loop voltage drop calculation (using Apollo's 'Loop Calculator' program) proves otherwise.
  • LED Fault Indication: An amber LED flashes once per second to indicate a fault.
  • Panel Compatibility: Not all control panels support this beam detector. Users should consult Apollo's Technical Sales department for compatibility information.
  • Installation Guidance: Installation must comply with the installation guide, PP2146, which provides detailed information on system design, installation procedures, targeting, alignment, commissioning, and troubleshooting. This guide is available on request or for download from the Apollo website.

Maintenance Features:

  • Automatic Drift Compensation: The detector automatically compensates for gradual contamination of its lenses to prevent false alarms.
  • Drift Compensation Limit Indication: If the drift compensation function reaches its limit, the amber LED flashes once every 2 seconds. The detector will continue to function, but maintenance procedures should be carried out at the earliest opportunity to ensure optimal performance and prevent potential issues.

Apollo 55000-268 Specifications

General IconGeneral
BrandApollo
Model55000-268
CategorySecurity Sensors
LanguageEnglish

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