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4300_March02 Introduction
The Siemens Building Technologies, Fire Safetey Division
thermal fire detector is of the fixed temperature type and
is designed for plug-in use with the standard Fire Safety
Series 11 detector base. Though the detector element is
self restoring, the detector electronics lock in upon alarm,
therefore it must be reset at the control panel. The
detector rating is 135°F (58°C). A lamp is located on the
base of the detector to indicate initiation of an alarm.
Underwriters Laboratories, Inc., recommends the thermal
detector be used to protect a maximum of 2,500 square
feet. Job conditions and engineering judgment, however,
often dictate closer spacing to provide faster detection.
See NFPA 72 for detector spacing details.
Operation
This thermal detector, which is shock and corrosion
resistant, responds only to heat, so it is suitable for use
in areas where normal conditions would prohibit the use
of other types of detectors.
When connected to Fire Safety equipment, the detector
is fully compatible with Fire Safety ionization detectors,
photoelectric detectors, flame detectors and manual
stations.
In addition to operating its own alarm indicating lamp, the
detector can operate one remote indicating lamp or
remote relay when desired.
6174
CATALOG NUMBER
Self Testing with Status Indicating
Multi-Color LED
Simple Twist/Lock Assembly
Alarm Lock-in
Remote Function Output
Screw-clamp Terminals Listed, ULC Listed, CSFM,FM
and NYMEA Approved
DT-11
Thermal Fire Detector
Engineer and Architect Specifications
The thermal fire detector shall be a Fire Safety Model DT-
11 and shall be of the fixed temperature type. The detec-
tor shall plug into its base and have a lamp to indicate
detector status and the initiation of an alarm. The detector
shall be listed by Underwriters Laboratories, Inc. The plug-
in thermal detector shall insert into the standard Series 11
base and shall be compatible with Fire Safety ionization
detectors, photoelectric detectors, flame detectors, and
manual stations on the same circuit.
The installing contractor shall install the detectors with
#18 AWG thermoplastic wire with 300 volt insulation
rating, housed in conduit or limited energy cable where
permitted by local codes. October 2005
Supersedes sheet dated 10/02
Siemens Building Technologies
Fire Safety
Fire Safety
8 Fernwood Road
Florham Park, NJ 07932
Tel: (973) 593-2600
FAX: (973) 593-6670
Website: www.sbt.siemens.com/fis
10/05
5M
SFS-IG
Printed in U.S.A.
Fire Safety
2 Kenview Boulevard
Brampton, Ontario
Canada L6T 5E4
Tel: (905) 799-9937
FAX: (905) 799-9858
Ordering Information
Technical Specifications
Environmental
Temperature:
32°F (0°C) to 100°F (38°C)
Humidity:
Up to 93% RH, non-condensing
Air Pressure:
No effect
Alarm Temperature:
135°F (57°C)
Electrical
Voltage:
16-27 VDC
Ripple:
3V peak-to-peak
Supervisory Current:
110A max
Alarm Current:
33-50 mA