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P85759A

273 Branchport Ave.

Long Branch, N.J

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 07740

(800) 631-2148 

www.coopernotification.com

Copyright 2020 Cooper Wheelock Inc., dba Cooper Notification. All rights reserved

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1

Use this product according to this instruction manual.  Please keep this instruction manual for future reference.

GENERAL

The Wheelock Eluxa series ELFHNC Sounder and ELFHSC Sounder Strobe appliances are designed for easy installation with a 

pre-wire capable mounting plate.  All models are for 24V operation. The ELFHNC and ELFHSC Sounders are rated as low frequency 

devices per UL 464 suitable for sleeping areas per NFPA 72.  The ELFHNC sounder may be wall or ceiling mounted
The Wheelock Eluxa Series meets NFPA 2016 20 millisecond light pulse duration code requirements.  In addition, the Wheelock 

Eluxa and LED3 product lines have been UL/ULC listed as compatible with all Fire Alarm Control Panels (FACP) and accessories 

that have been determined to be compatible with Wheelock model RSS Strobe based products including the RSS, CH, E, EH, 

ET,ST,HS,MT,S8, SA, STH and Z Series.  The maximum number of Eluxa devices per NAC is determined by dividing the maximum 

current rating of the FACP NAC by the total current rating of one Eluxa device, with a maximum of 105 Eluxa (or LED3) devices per 

NAC.  Refer to FACP installation instructions for more detail.  The Wheelock Eluxa Series and Exceder LED3 Series strobes may be 

installed in the same notification zone and field of view with any RSS Strobe based product. 
Wheelock Eluxa Low Frequency Sounder Strobe can provide a non-synchronized strobe appliance when connected directly to a Fire 

Alarm Control Panel (FACP), or provide a synchronized strobe appliance when used in conjunction with an FACP that incorporates 

the sync protocol, a Dual Sync Module (DSM) or a Wheelock Power Supply.  When set to the T3/4 setting, a DSM Sync Module can 

toggle the ELFHSC and ELFHNC between Code 3 for fire/emergency evacuation and Code 4 for carbon monoxide

WARNING: PLEASE READ THESE INSTRUCTIONS CAREFULLY BEFORE USING THIS PRODUCT.  FAILURE TO COMPLY 

WITH ANY OF THE FOLLOWING INSTRUCTIONS, CAUTIONS AND WARNINGS COULD RESULT IN IMPROPER APPLICA-

TION, CANDELA SETTING, INSTALLATION AND/OR OPERATION OF THESE PRODUCTS IN AN EMERGENCY SITUATION, 

WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.

CAUTION: Do not change factory applied finishes.  “DO NOT PAINT”.
ATTENTION: Ne pas modifiez les finitions appliquées en usine.  “NE PAS PEINTURER”

Table 1: Specifications

Agency

ELFHSC/ELFHNC:UL1971, UL 464, ULC-525-16, UL 1638, ULC-S526-16

Environmental

Indoor Use Only. 0° C - 50° C  (32° F - 122° F) 93% R.H.

NAC Characteristics

Max. line resistance: 35Ω

Sounder Patterns

Non-Sync: Continuous, Code 3 (field selectable)

Wheelock Sync Protocol: Code 3 Sync, Code 4 or T3/T4 Sync Selectable (with DSM)

Coded Operation: Use Continuous Setting on ELFHNC Sounder Only Model

Input Voltage

DC or FWR, 24V Regulated, 16 to 33V (All models)

Strobe Candela

110 or 177 cd (field selectable)

* Code 3/Code 4 operation requires the use of the Wheelock DSM sync module

Table 2a: ELFHSC and ELFHNC dBA Sound Output @ 24 Volts

Description

Reverberant dBA at 10 Feet per UL 464

Anechoic dBA at 10 Feet per ULC-S525-16

Continuous

80

85

Code 3

80

85

Code 3/Code 4

80

85

Table 2b: ULC Directional Characteristic

s

-3dB

+ / - 80 Degrees horizontal, + / - 80 vertical

-6dB

+ / - 90 Degrees horizontal, + / - 90 vertical

NOTE:

 The Code 3 temporal pattern (1/2 second on, 1/2 second off, 1/2 second on, 1/2 second off, 1/2 second on, 1-1/2 off and 

repeat) is specified by ANSI and NFPA 72 for standard emergency evacuation signaling.  (Available with Sync or Non-Sync operation)

NOTE: 

The Code 4 temporal pattern (100 ms on, followed by 100 ms off, for 4 cycles, followed by 5 seconds of silence and repeat), 

is specified by ANSI and NFPA 720 for carbon monoxide emergency signaling.  (Available with Sync operation only).  Code 4 (T4) 

may not synchronize on multi-NAC (multi-zone) installations.  To improve synchronization, NAC’s must be energized simultaneously.

Table 3:Sounder and Strobe Current Draw @ 24 Volts

Current

Sound

ELFHSC

110cd

ELFHSC

177 cd

ELFHNC

DC

Continuous (CONT)

0.164

0.256

0.098

Code 3 (T3)

0.164

0.256

0.098

Code 3/Code 4 (T3/4)

0.164

0.256

0.098

FWR

Continuous (CONT)

0.235

0.348

0.138

Code 3 (T3)

0.235

0.348

0.138

Code 3/Code 4 (T3/4)

0.235

0.348

0.138

NOTES

1. 

Candela/Sounder Setting will determine the current draw of the product.

2. 

Strobes will produce 1 flash per second over the “Regulated Voltage” range. 

3. 

Strobes are not designed to be used on coded systems in which the applied voltage is cycled on and off.

4. 

When calculating the total currents use Table 3 to determine the highest value of RMS current for an individual appliance, 

then multiply these values by the total number of appliances. Be sure to add the currents for any other appliances, including 

audible signaling appliances powered by the same source, and to include any required safety factors. 

5. 

Make sure that the total RMS current required by all appliances that are connected to the system’s primary and secondary 

power sources, notification appliance circuits, DSM sync modules, or Wheelock power supplies does not exceed the power 

sourcesrated capacity or the current ratings of any fuses on the circuits to which these appliances are wired.  Refer to Sync 

Module instruction sheets DSM (P83177) or Wheelock Power Supplies for additional information.

6. 

Check the minimum and maximum output of the power supply and standby battery and subtract the voltage drop from the 

circuit wiring resistance to determine the applied voltage to the device.  

7. 

These appliances were tested to the regulated voltage limits of 16.0-33.0 Volts for 24 volt models using filtered DC or 

unfiltered DC.  Do not apply voltage outside of this range.

8. 

These notification appliances are UL Listed as “Regulated”. They are intended to be used with Fire Alarm Control Panels 

(FACPs) whose notification circuits are UL Listed as “Regulated.” Refer to the FACP instructions or the Wheelock Strobe 

Compatibility Data Sheet (P85328) for special application and strobe synchronization compatibility.  When using Sounder Only 

models on a FACP Listed as Special Application, do not exceed 85% of Maximum NAC current Rating.

WARNING : OVERLOADING POWER SOURCES OR EXCEEDING FUSE RATINGS COULD RESULT IN LOSS OF POWER 

AND FAILURE TO ALERT OCCUPANTS DURING AN EMERGENCY, WHICH COULD RESULT IN PROPERTY DAMAGE AND 

SERIOUS INJURY OR DEATH TO YOU AND/OR OTHERS.

NOTE:

 NFPA 72/ANSI 117.1 conform to ADAAG Equivalent Facilitation Guidelines in using fewer, higher intensity strobes within the 

same protected area.

WARNING: WHEN INSTALLING STROBES IN AN OPEN OFFICE OR OTHER AREAS CONTAINING PARTITIONS OR OTHER 

VIEWING OBSTRUCTIONS, SPECIAL ATTENTION SHOULD BE GIVEN TO THE LOCATION OF THE STROBES SO THAT 

THEIR OPERATING EFFECT CAN BE SEEN BY ALL INTENDED VIEWERS, WITH THE INTENSITY, NUMBER, AND TYPE OF 

STROBES BEING SUFFICIENT TO MAKE SURE THAT THE INTENDED VIEWER IS ALERTED BY PROPER ILLUMINATION, 

REGARDLESS OF THE VIEWER’S ORIENTATION. 

WARNING A SMALL POSSIBILITY EXISTS THAT THE USE OF MULTIPLE STROBES WITHIN A PERSON’S FIELD OF VIEW, 

UNDER CERTAIN CIRCUMSTANCES, MIGHT INDUCE A PHOTO-SENSITIVE RESPONSE IN PERSONS WITH EPILEPSY. 

STROBE REFLECTIONS IN A GLASS OR MIRRORED SURFACE MIGHT ALSO INDUCE SUCH A RESPONSE. TO MINIMIZE 

THIS POSSIBLE HAZARD, COOPER WHEELOCK STRONGLY RECOMMENDS THAT THE STROBES INSTALLED SHOULD 

NOT PRESENT A COMPOSITE FLASH RATE IN THE FIELD OF VIEW WHICH EXCEEDS FIVE (5) HZ AT THE OPERAT-

ING VOLTAGE OF THE STROBES. COOPER WHEELOCK ALSO STRONGLY RECOMMENDS THAT THE INTENSITY AND 

COMPOSITE FLASH RATE OF INSTALLED STROBES COMPLY WITH LEVELS ESTABLISHED BY APPLICABLE LAWS, 

STANDARDS, REGULATIONS, CODES AND GUIDELINES.

INSTALLATION INSTRUCTIONS

WHEELOCK ELUXA LOW FREQUENCY SOUNDER 

AND SOUNDER STROBE WITH PRE-WIRE/PRE-TEST 

CEILING MOUNT

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