Wheelock ET70 Manual

Description

The Wheelock 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 communications, tone
signaling and visible signaling to alert the hearing 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 Wheelock'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 synchronized
when used in conjunction with the Wheelock SM, DSM sync
modules or the Wheelock PS-24-8MC Power Supplies with
patented Sync Protocol. Wheelock 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
effective 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,
white, or nickel plated.
U
THE CITY OF
NEW YORK
L
®
DEPARTMENT OF BUILDINGS
S5391
151-92-E 7125-0785:152 (ET70/90 MC)
S2652
7125-0785:146 (ET70WP)
Series ET Speakers and Speaker Strobes
SERIES ET70
SERIES ET90

Features

• Approvals include: UL Standard 1971, UL Standard 1480,
New York City (MEA), California State Fire Marshall (CSFM),
Factory Mutual (FM), and Chicago (BFP) See approvals by
model in Specifications and Ordering Information
• ADA/NFPA/UFC/ANSI compliant
• Meets OSHA 29 Part 1910.165
• Wall mount models are available with Field Selectable Candela
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
candela settings of 15/30/75/95cd or 115/177cd (multi-candela
models)
• Strobes produce 1 flash per second over the regulated voltage
range
• 24 VDC with wide UL "Regulated Voltage" using filtered DC
or unfiltered VRMS input voltage
• Synchronize with sync modules or power supplies with built-in
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
wattage across a frequency range of 400 to 4000 HZ
• Fast installation with IN/OUT screw terminals using #12 to
#18 AWG wires