Notifier ET Series User Manual

Et series, Low-profile speaker and speaker strobes, General

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dn-2225:a1 • 2/9/10 — Page 1 of 4

ET Series

Low-Profile Speaker
and Speaker Strobes

Audio/Visual Devices

dn-2225:a1 • J-131

GENERAL

Wheelock’s high performance Series ET Speakers and Series

ET Speaker Strobes provide high audio output, clear audibility,

dual voltage (25/70 VRMS) capability and field selectable taps

from 1/8 to 8 watts. They are designed to meet the critical needs

of the life safety industry for effective emergency voice commu-

nications, tone signaling and visible signaling to alert the hear-

ing impaired.
The low profile design incorporates a speaker mounting plate for

faster and easier installation. Each model has a built-in level

adjustment feature and an aesthetic two (2) screw grille cover.
The Series ET Speaker Strobe models incorporate Low Current

draw Series RSS Strobes.
Strobe options for wall mount models include 1575 cd or Whee-

lock’s patented MCW multi-candela strobe with field selectable

candela settings of 15/30/75/110cd or the high intensity MCWH

strobe with field selectable 135/185cd.
Ceiling mount models are available in Wheelock’s patented

MCC multi-candela ceiling strobe with field selectable intensities

of 15/30/75/95cd or the high intensity MCCH strobe with field

selectable 115/177cd.
The strobe portion of all Series ET Strobes may be synchro-

nized when used in conjunction with the Wheelock SM, DSM

sync modules or the power supply with patented Wheelock Sync

Protocol. Wheelock’s synchronized strobes offer an easy way to

comply with ADA recommendations concerning photosensitive

epilepsy.
Series ET70 and ET90 Speaker Strobes are UL Listed for

indoor use under Standard 1971 (Signaling Devices for the

Hearing Impaired) and Standard 1480 (Speaker Appliances),

and use a Xenon flashtube with solid state circuitry enclosed in

a rugged Lexan® lens to provide maximum reliability for effec-

tive visual signaling. All inputs are supervised and employ IN/

OUT wiring terminals for fast installation using #12 to #18 AWG

wiring.
Color options for Series ET speakers and speaker strobes are

red or white plated.
Wheelock’s Weatherproof Low Profile Speaker Strobe, Series

ET70WP-2475W-FR appliance has an extended temperature

range of -40° F to 150° F (-40° C to 66° C) that will satisfy virtu-

ally all outdoor and severe environment applications.
For outdoor applications the ET70WP-2475W-FR must be wall

mounted to a Weatherproof Back Box (IOB). Models are avail-

able for surface mounting to Wheelock weatherproof backboxes

on walls or ceilings. The optional WP-KIT allows the weather-

proof backboxes (IOB, WPBB or WPSBB) to be mounted to a

recessed electrical box for concealed conduit installation. For

semi-flush installation, the WPA and WFPA kits allow a customer

to mount the weatherproof appliances to a recessed electrical

box without the need for an external weatherproof backbox.

FEATURES

• ADA/NFPA/UFC/ANSI compliant.
• Meets OSHA 29 Part 1910.165.
• Wall mount models are available with Field Selectable Can-

dela.

• Settings of 15/30/75/110cd or 135/185cd (Multi-Candela

models) or 1575cd (Single Candela model).

• Ceiling mount models are available with field selectable can-

dela settings of 15/30/75/95cd or 115/177cd (multi-candela

models).

• Strobes produce 1 flash per second over the regulated volt-

age range.

• 24 VDC with wide UL “Regulated Voltage” using filtered DC

or unfiltered VRMS input voltage.

• Synchronize with Wheelock SM, DSM or power supply with

built-in Wheelock sync protocol.

• Field selectable taps for 25 or 70 VRMS operation from 1/8

watt to 8 watts.

• High efficiency design for maximum output at minimum watt-

age across a frequency range of 400 to 4000 HZ.

• Fast installation with IN/OUT screw terminals using #12 to

#18 AWG wires.

!

WARNING: PLEASE READ THESE
SPECIFICATIONS AND ASSOCIATED
INSTALLATION INSTRUCTIONS CAREFULLY
BEFORE USING, SPECIFYING OR APPLYING
THIS PRODUCT. FAILURE TO COMPLY WITH
ANY OF THESE INSTRUCTIONS, CAUTIONS
OR WARNINGS COULD RESULT IN IMPROPER
APPLICATION, 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.

ET70 Series

Speaker Strobe

ET90 Series

Speaker

Multi-Candela Indicator

(bottom of strobe lens)

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