NS Series Horn Strobes & NH Series Horns

CS-2246

09/01/06

Page 2 of 3

Engineer’s Specifications

The audible/visual notification appliances shall be Cooper-Wheelock Series NS Horn Strobe

appliances and Series NH Horn appliances or approved equals. The Series NS appliances shall

meet and be listed for UL Standard 1971(Emergency Devices for the Hearing-Impaired for Indoor

Fire Protection Service). The Series NH Horn shall be UL Listed under Standard 464 (Fire

Protective Signaling). The horn strobe shall be listed for indoor use and shall meet the require-

ments of FCC Part 15 Class B. All inputs shall be compatible with standard reverse polarity

supervision of circuit wiring by the Fire Alarm Control Panel (FACP).

The audible portion of the appliance shall have a minimum of two (2) field selectable settings for

dBA levels (90 and 95 dBA) and shall have a choice of continuous or temporal (Code 3) audible

outputs.

The strobe portion of the appliance shall produce a flash rate of one (1) flash per second over

the Regulated Voltage Range and shall incorporate a Xenon flashtube enclosed in a rugged

Lexan lens. The Series NS shall be of low current design. Where wall mount, Multi-Candela

appliances are specified, the strobe intensity shall have field selectable settings and shall be

rated per UL Standard 1971 for 15/30/75/110 candela. The selector switch for selecting the

candela setting shall be tamper resistant. The 15/75 candela strobe shall be specified when 15

candela UL Standard 1971 Listing with 75 candela on-axis is required (e.g. ADA compliance).

When synchronization is required, the appliance shall be compatible with Cooper- Wheelock’s

SM, DSM Sync Modules or a Power Supply with Cooper-Wheelock’s built-in Patented Sync

Protocol. The strobes shall not drift out of synchronization at any time during operation. If the

sync module or Power Supply fails to operate, (i.e., contacts remain closed), the strobes shall

revert to a non-synchronized flash-rate. The appliance shall also be designed so that the

audible signal may be silenced while maintaining strobe activation.

The Series NS Horn Strobes and NH horn shall incorporate a Patented Universal Mounting Plate

that shall allow mounting to a single-gang, double-gang, 4-inch square, 100mm European type

backboxes, or the SHBB Surface Backbox. If required, an NATP (Notification Appliance Trimplate)

shall be provided.

All notification appliances shall be backward compatible.

WARNING: CONTACT COOPER-

WHEELOCK FOR THE CURRENT IN-

STALLATION

INSTRUCTIONS

(P83983) SERIES NS-24MCW, (P84234)

SERIES NS-12 AND 24 VDC SINGLE

CANDELA MODELS, (P83600) SERIES

NH AND “GENERAL INFORMATION”

SHEET (P82380) ON THESE PROD-

UCTS. THESE DOCUMENTS UNDERGO

PERIODIC CHANGES. IT IS IMPOR-

TANT THAT YOU HAVE CURRENT IN-

FORMATION ON THESE PRODUCTS.

THESE MATERIALS CONTAIN IMPOR-

TANT INFORMATION THAT SHOULD BE

READ PRIOR TO SPECIFYING OR IN-

STALLING THESE PRODUCTS, IN-

CLUDING:

APPLIANCES CONNECTED TO SYSTEM

SECONDARY POWER SOURCES.

PLIANCE CIRCUITS TO HANDLE PEAK

CURRENTS FROM ALL APPLIANCES

ON THOSE CIRCUITS.

TIPLE STROBES WITHIN A PERSON’S

FIELD OF VIEW.

PLIANCES OR CHANGING CANDELA

SETTINGS WILL AFFECT CURRENT

DRAW.

SURE THAT THE TOTAL AVERAGE

CURRENTAND TOTAL PEAK REQUIRED

BY ALLAPPLIANCES DO NOT EXCEED

THE RATED CAPACITY OF THE POWER

SOURCES OR FUSES.

PRODUCTS MUST BE WITHIN THEIR

“REGULATED VOLTAGE RANGE”.

STROBE PRODUCTS IN SLEEPING AR-

EAS.

OTHER SPECIFICATION AND INSTALLA-

TION ISSUES.

SIGNED TO BE USED ON CODED SYS-

TEMS IN WHICH THEAPPLIED VOLTAGE

IS CYCLED ON AND OFF.

LATION INSTRUCTIONS OR GENERAL

INFORMATION SHEETS COULD RESULT

IN IMPROPER INSTALLATION, APPLICA-

TION, AND/OR OPERATION OF THESE

PRODUCTS IN AN EMERGENCY SITUA-

TION, WHICH COULD RESULT IN PROP-

ERTY DAMAGE AND SERIOUS INJURY

OR DEATH TO YOU AND/OR OTHERS.

AND AMPACITY SHOULD BE TAKEN

INTO CONSIDERATION PRIORTO DESIGN

AND INSTALLATION OF THESE PROD-

UCTS, PARTICULARLY IN RETROFIT IN-

STALLATIONS.

NS/NH

APPLIANCE

+

-

+

-

+

-

FROM

PRECEDING

APPLIANCE, SM/DSM,

PS-12/24-8MP OR

FACP

TO NEXT

APPLIANCE

OR EOLR

Wiring Diagram

NS AND NH APPLIANCES SYNCHRONIZED

WITH SM MODULE SINGLE CLASS “B”

NAC CIRCUIT WITH AUDIBLE SILENCE

FEATURE

NS

NH

EOLR

+

-

SM

F

A

C

P

STROBE

Audible

STROBE

+

- Audible

Audible

NAC

Circuit

Strobe

NAC

Circuit

NS AND NH APPLIANCES SYNCHRONIZED

WITH DSM MODULE DUAL CLASS “A”

NAC CIRCUIT WITH NO AUDIBLE SILENCE

FEATURE

+

-

APPLIANCE

+

-

F

SYNC

+

DUAL SYNC MODULE

A

C

P

SYNC

+

-

-

AUDIBLE

AUDIBLE

CIRCUIT OUT

+

+

OUT1

IN1

MINUS1

MINUS2

SIGNAL

SIGNAL

CIRCUIT RETURN

+

-

+

-

APPLIANCE

NOTE: NS/NH must be set on Code 3 horn to achieve synchronized temporal (Code 3) tone.

Refer to instruction (P38983, P83600 respectively).