Kidde Fire Systems Smoke Alarm K 73 06 Users Manual

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Effective: March 2013

K-73-06

LHS™

Linear Heat Sensor

FEATURES

• Fixed Temperature Digital Heat Detector

• Five Alarm Temperatures Available: 142°F - 158°F,

180 °F, 220°F, 350°F, 452°F

• Compatible with All Fire Control Panels

• Connect Directly to Initiating Circuit

• Cost-Effective Solution for Hazardous Locations

• Ideal for Use in Applications Where Spot-Type

Heat Detectors are Unsuitable

• Fire Zone Location Using LHS with

SmartOne®-compatible panels

• FM Approved

DESCRIPTION

The LHS™ Linear Heat Sensor cable is a flexible, dura-

ble and cost-effective fixed-temperature fire detector,

suitable for protecting a wide range of commercial and

industrial fire applications.

LHS is a small diameter cable capable of detecting heat

from a fire over its entire length. The sensor cable con-

sists of a twisted pair of 19 AWG copper coated steel

conductors covered by a temperature sensitive insula-

tion, and protected by either a plastic braid or jacket for

various environmental applications.

The LHS Linear Heat Sensor is Factory Mutual Approved

and is designed for open area as well as proximity detec-

tion. A wide range of jackets and operating temperatures

are available for proper system design, including con-

fined areas or harsh environments which prohibit the use

of other forms of detection. LHS is compatible with any

fire control panel that is capable of accepting contact clo-

sure type initiating devices.

APPLICATIONS

• Open Area Protection

• Belt Conveyers

• Tunnels

• Aircraft Hangars

• Cable Trays

• Floating Roof Tanks

• Classified Hazardous Areas (when used with intrinsic

safety barriers)

OPERATION

The heat from a fire causes the LHS cable’s special insu-

lation to melt at a specific temperature, allowing the two

conductors to short together, thus creating an alarm con-

dition on the fire control panel. The LHS cable may also

be used as a stand-alone contact device. The LHS nor-

mal operating state is an open circuit. For installation

details refer to “LHS Installation Instructions” (73-202).

Jacket

Thermoplastic strip

braid, PVC, nylon, or

fluoropolymer

Insulation

Temperature-sensitive

thermoplastic or

fluoropolymer

Conductor

Tinned

copper-covered

steel

400 Main Street

Ashland, MA 01721

Tel.: 508-881-2000

Fax: 508-881-8920

www.kiddefiresystems.com

This literature is provided for informational purposes only. KIDDE-FENWAL, INC. assumes

no responsibility for the product’s suitability for a particular application. The product must be

properly applied to work correctly.

If you need more information on this product, or if you have a particular problem or question,

contact KIDDE-FENWAL, INC., Ashland, MA 01721. Telephone: (508) 881-2000.

K-73-06 Rev AC © 2013 Kidde-Fenwal Inc.

SmartOne and Kidde are registered trademarks of Kidde-Fenwal, Inc. LHS is a trademark of Kidde-Fenwal, Inc.

FIRE ZONE LOCATION WITH LHS

An Intelligent Linear Heat Detection System is recom-

mended for applications where fire zone location requires

zone output control for notification appliances, HVAC

control, suppression control and annunciation. In this sys-

tem, each discrete addressable LHS cable zone will

report an individual alarm to the SmartOne®-compatible

fire control panel.

Addressable LHS cable zones are created by attaching

each LHS cable zone to an Addressable Input module

(P/N 70-407008-001). Each discrete LHS cable zone

location can be displayed on the SmartOne-compatible

panel 80-character LCD display with programmable text

zone description. Up to 255 devices (any mix of devices

including smoke detectors, manual pull stations, water-

flow switches, LHS zones, etc.) can be connected to a

single SmartOne-compatible’s addressable loop.

Installing an Intelligent Linear Heat Detection System

results in substantial installation cost savings over tradi-

tional hard-wired linear heat detection systems.

Table 1: LHS Sensor Cable Specifications

Part Number:

656 ft (200 m) length roll

3,280 ft (1000 m) length roll 73-200000-011

73-201000-011 73-200000-012

73-201000-012 73-200000-003

73-201000-003 73-200000-004

73-201000-004 73-200000-005

73-201000-005

Alarm Temperature Range 145-158ºF

(63-70ºC) 180ºF

(82ºC) 220ºF

(105ºC) 350ºF

(177ºC) 452F

(233ºC)

Ambient Storage Temp.* Up to 113ºF (45ºC) Up to 158ºF (70ºC) Up to 221ºF (105ºC) Up to 392ºF (200ºC)

Min. Installation Temp. 5ºF (-15ºC) 32ºF (0ºC) -4ºF (-20ºC)

Min. Operating Temp.** -40ºF (-40ºC) -22ºF (-30ºC) -40ºF (-40ºC) -58ºF (-50ºC)

Application Indoor/Outdoor Indoor/Outdoor Indoor/Outdoor Indoor/Outdoor Indoor/Outdoor

Approved Spacing 20 ft (6m) max Proximity Detection

Flame Detection 5 seconds (max) 12 seconds (max) 20 seconds (max)

Outer Jacket Material Nylon Nylon PVC FEP

Outer Jacket Color Black

Marked H8040N Black

Marked H8045N Black Red White

Conductor Insulation EVA Polythene Polypropylene FEP

Conductor Color 1 Black

1 Red 1 Black

1 Black/White 1 Black

1 White

External Diameter 0.13 in. (3.35 mm) 0.13 in. (3.35 mm) 0.17 in. (4.35 mm) 0.17 in. (4.35 mm) 0.14 in. (3.5 mm)

Electrical Rating 1 Amp maximum, 110 Vdc maximum

Conductor Resistance 30.48 ohms/1000 ft. @ 68ºV (100 ohms/1000 m) @ 20ºC

Conductor Capacitance 20.21 pF/ft.

(66.32 pF/m) 25.42 pF/ft.

(83.31 pF/m) 19.96 pF/ft.

(65.48 pF/m) 17.52 pF/ft.

(57.48 pF/m) 19.22 pF/ft.

(63.07 pF/m)

Insulation Rating 1000 megohm per 3280 ft. (1000 m) after 1 minute @ 500 Vdc Minimum

Weight 10.65 lb./1000 ft.

(15.85 kg/km) 10.65 lb./1000 ft.

(15.85 kg/km) 15.25 lb./1000 ft.

(22.7 kg/km) 12.67 lb./1000 ft.

(18.85 kg/km) 14.65 lb./1000 ft.

(21.8 kg/km)

*Do not store in direct sunlight. **When not subjected to vibration.