wheelock E50, E50-241575W, E50-MCW, E50-MCWH Service Manual

Series E50 Speaker and Speaker Strobes

THE CITY OF
NEW YORK

DEPARTMENT OF BUILDINGS

U

L

®

Description

The Wheelock Series E50 Speakers and Speaker Strobes feature
high efficiency sound output, with dual voltage (25/70 VRMS)
capability and field selectable taps from 1/8 to 2 watts. They are
designed to provide a sleek, aesthetic appearance for emergency
voice/alarm communications systems. All Series E50 models
mount to standard 4” x 2-1/8” electrical boxes (with no extension
ring required) and incorporate a speaker mounting plate for faster
installation. The grille cover snaps on so no mounting screws are
visible. Attractive surface boxes are also available for surface
installations.

The Series E50 Speaker Strobe models use Wheelock low current
draw Series RSS strobes for wall mounted applications. Strobe
options include patented MCW multi-candela strobes with field
selectable candela settings of 15/30/75/110 cd or high intensity
MCWH strobes with field selectable 135/185 candela. Models with
1575 candela (75 cd on axis) are also offered.

Series E50 Speakers and Speaker Strobes provide high audio output
with clear audibility and 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 strobe portion of all Series E Speaker Strobes may be
synchronized when used in conjunction with the Wheelock SM,
DSM Sync Modules or the Wheelock’s PS-24-8MC Power Supply
with Patented Sync Protocol. Wheelock synchronized strobes offer
an easy way to comply with ADA and NFPA regulations concerning
photosensitive epilepsy.

Series E50 Speaker Strobes are UL Listed for indoor use under
Standard 1971 (Signaling Devices for the Hearing-Impaired) and
Standard 1480 (Speaker Appliances). All inputs employ IN/OUT
wiring terminals for fast installation using #12 to #18 AWG wiring
and are compatible with FACP line supervision.

Color options for the Series E50 Speakers and Speaker Strobes
are red or off-white.

SERIES E50

Speaker Strobe

SERIES E50

Speaker

Features

• Approvals include: UL Standard 1971, UL Standard 1480, New
York City (MEA), California State Fire Marshal (CSFM), Factory
Mutual (FM) and Chicago (BFP). See approvals by model in
Specifications and Ordering Information

• ADA/NFPA/ANSI compliant

• Complies with OSHA 29 Part 1910.165

• Wall mount speaker strobe models with field selectable candela
settings of 15/30/75/110cd or 135/185cd (Multi-Candela
models), or 1575cd (Single Candela model)

• Field selectable taps for 25 or 70 VRMS operation from 1/8 watt
up to 2 watts

• High efficiency design for maximum output at minimum wattage
across a frequency range of 400 to 4000 HZ

• 24 VDC strobes produce 1 flash per second with wide UL
“Regulated Voltage” of 16 to 33 volts using filtered DC or
unfiltered VRMS input voltage

• Synchronize with Wheelock SM, DSM or Wheelock
PS-12/24-8CP and PS-12/24-8MP Power Supply with built-in
sync protocol

• Mount to 4” square x 2-1/8” deep backbox with no extension

ring required

• Snap on grille cover with no visible mounting screws

• Fast installation with IN/OUT screw terminals using #12 to #18
AWG wires

S5391

151-92-E

7125-0785:165
7320-0785:166

NOTE: All CAUTIONS and WARNINGS are identified by the symbol . All warnings are printed in bold capital letters.

WARNING: PLEASE READ THESE SPECIFICATIONS AND ASSOCIATED INSTALLATION INSTRUCTIONS CAREFULLY BEFORE USING, SPECIFYING OR

APPLYING THIS PRODUCT. VISIT WWW.COOPERWHEELOCK.COM OR CONTACT COOPER WHEELOCK FOR THE CURRENT INSTALLATION INSTRUCTIONS.
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.

General Notes:

• Strobes are designed to flash at 1 flash per second minimum over their “Regulated Voltage Range”. Note that NFPA-72 specifies a flash rate of 1

to 2 flashes per second and ADA Guidelines specify a flash rate of 1 to 3 flashes per second.

• All candela ratings represent minimum effective Strobe intensity based on UL Standard 1971.

• Series NS Strobe products are listed under UL Standard 1971 for indoor use with a temperature range of 32°F to 120°F (0°C to 49°C) and
maximum humidity of 93% (± 2%).

• Series NH horns are listed under UL Standard 464 for audible signal appliances (Indoor use only).

• “Regulated Voltage Range” is the newest terminology used by UL to identify the voltage range. Prior to this change UL used the

terminology “Listed Voltage Range”.

Table 1: Average RMS Current

E50

Speaker

Strobes

241575W 24MCW 24MCWH

1575cd 15cd 30cd 75cd 110cd 135cd 185cd

E50 Strobe Current - Wall Mount

24 vdc 0.060 0.041 0.063 0.109 0.140 0.195 0.270

UL max* 0.090 0.060 0.092 0.165 0.220 0.300 0.420

Table 2: E50 UL Reverberant dBA @ 10 Feet**

watts 1/8 1/4 1/2 1 2

E50 Speaker 77 79.5 82.5 85 88

E50 Speaker Strobe 77 79.5 82.5 85 88

**dBA ratings are based on UL testing under UL Standard 1480

* RMS current ratings are per UL average RMS
method. UL max current rating is the maximum
RMS current within the listed voltage range (16-33v
for 24v units). For strobes the UL max current is
usually at the minimum listed voltage (16v for 24v
units). For unfiltered FWR ratings, see installation
instructions.