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AD355(A) ADAPT® Multi-Sensor Low Profile Intelligent Detector

Product Description

The AD355(A) ADAPT® detector is an intelligent, addressable, multi-sensing, low-profile detector designed for use with Fire•Lite Fire Alarm Control Panels. The ADAPT detector uses a combination of photoelectric and thermal sensing technologies to increase immunity to false alarms. Unlike traditional intelligent detectors, the ADAPT detector has a microprocessor in the detector head that processes alarm data. As a result, the ADAPT detector adjusts its sensitivity automatically, without operator intervention or control panel programming. Areas where the ADAPT detector is especially useful include office complexes, schools, college campuses, manufacturing and industrial facilities, and anywhere else the use of a particular area may change. The ADAPT detector automatically adjusts its sensitivity to the environment. LiteSpeed™ is a communication protocol developed to greatly enhance the speed of communication between analog intelligent devices and compatible systems. Intelligent devices communicate in a grouped fashion. If one of the devices within the group has new information, the panel’s CPU stops the group poll and concentrates on single points. The net effect is response speed greater than five times that of earlier designs.

Key Features

  • Automatically adjusts sensitivity levels without operator intervention or programming. Sensitivity increases with heat.
  • Microprocessor-based, combination photo and thermal technology
  • Compatible with LiteSpeed™ and CLIP systems.
  • Addressable-analog communication.
  • Sleek, low-profile design
  • Two-wire SLC connection
  • Rotary, decimal addressing: 01-159 with MS-9600UDLS and MS-9600LS series systems, and 01-99 with MS9200UDLS(C) Firmware 4.
  • Addresses can be viewed and changed without electronic programmers.
  • Dual bi-color LED design provides 360° viewing angle
  • Built-in tamper-resistant feature.
  • SEMS screws for wiring of the separate base.
  • Several base options, including relay, isolator, and sounder.


The AD355(A) plug-in detector uses a separate base to simplify installation, service, and maintenance. A special tool allows maintenance personnel to plug-in and remove detectors without using a ladder. Suitable mounting base boxes include: • 4.0" (10.16 cm) square box. • 3.5" (8.89 cm) or 4.0" (10.16 cm) octagonal box. • Single-gang box (except relay or isolator base). NOTE: The AD355(A) detector has the unique ability to adjust sensitivity according to the environment, based on heat and smoke levels. Avoid installing these detectors in locations that are susceptible to rapid and high temperature changes. An example of an incorrect application would be near or in line with the output of a self-contained heater.These listings and approvals apply to the modules specified in this. In some cases, certain modules or applications may not be listed by certain approval agencies, or listing may be in process. Consult factory for latest listing status