Conventional Products—DH400 Conventional Air Duct Smoke Detector 3
Introduction
This document contains important information about installing,
maintaining, testing, and operating DH400 conventional air duct 2-wire
system powered smoke detectors. These conventional detectors are
manufactured by System Sensor for use with Johnson Controls systems.
If you install this detector for someone else to use, leave a copy of this
document with the user.
Before you install any DH400 air duct smoke detectors, read and be
familiar with:
●
the control panel system installation manual
●
the requirements of the authority having jurisdiction
●
National Fire Protection Association (NFPA) Standards 72-National
Fire Alarm Code and 90A-Installation of Air Conditioning and
Ventilation Systems
●
System Sensor Guide for Proper Use of System Smoke Detectors
Technical Bulletin in the Fire Initiating Devices and Notification
Appliances Devices Technical Manual (FAN 408), which provides
detailed information on detector spacing, placement, zoning, wiring,
and special applications
●
or, for non-United States installations, applicable codes and standards
specific to country and locality of installation
Failure to follow these directions may result in failure of this device to
report an alarm or trouble condition or respond properly to an alarm
condition. Johnson Controls is not responsible for devices that have been
improperly installed, tested, or maintained by others.
As is the case with all installations under NFPA, Underwriters
Laboratories (UL), Underwriters Laboratories of Canada (ULC), National
Electric Code (NEC), Canadian Electrical Code classification, or any of
the building codes, final written approval of permissible operation and
configuration rests with the authority having jurisdiction.
