wheelock E70-24MCW, E70, E70-241575, E70-24MCWH, E90-24MCC Service Manual
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SERIES E70
STROBE
Series E70 Speakers and Speaker Strobes
SERIES E90
STROBE
SERIES E90
SPEAKER
SERIES E70
SPEAKER
Description
The Wheelock Series E Low Profile Speakers and Speaker Strobes
are designed for high efficiency sound output, with dual voltage
(25/70 VRMS) capability and field selectable taps from 1/8 to 2
watts. 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 E Speaker Strobe models incorporate the Low Current
draw Series RSS Strobes.
Strobe options for wall mount models include 1575 or Wheelock
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 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.
Series E 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 Wheelock PS-24-8MC power supply with
Patented Sync Protocol. Wheelock synchronized strobes offer
an easy way to comply with ADA recommendations concerning
photosensitive epilepsy.
Series E 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 the Series E Speakers and Speaker Strobes are
red, white and nickel plated.
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 models are available with Field Selectable
Candela Settings of 15/30/75/110cd or 135/185cd (MultiCandela models), or 1575cd (Single Candela model)
• Ceiling mount models are available with field selectable
candela settings of 15/30/75/95cd or 115/177cd (Multicandela 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 Wheelock SM, DSM or Wheelock PS-248MC Power Supply with built-in sync protocol
• 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
• Fast installation with IN/OUT screw terminals using #12 to
#18 AWG wires
S5391
151-92-E
7125-0785:152
7320-0785:134 (Speaker)
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: UL Max Current*
E70/E90
Speaker
Strobes
241575W 24MCW 24MCWH 24MCC 24MCCH
1575cd 15cd 30cd 75cd 110cd 135cd 185cd 15cd 30cd 75cd 95cd 115cd 177cd
16-33 VDC 0.090 0.060 0.092 0.165 0.220 0.300 .0420 0.065 0.105 0.189 0.249 0.300 0.420
E70 Strobe Current - Wall Mount E90 Strobe Current - Ceiling Mount
Table 2: E70/E90 UL Reverberant dBA @ 10 Feet**
watts 1/8 1/4 1/2 1 2
E Speaker 77 81 83 86 89
E Speaker Strobe 76 80 82 85 88
**dBA ratings are based on testing under UL Standard 1480.
* 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
audibles the max current is usually at the maximum
listed voltage (33v for 24v units). For unfiltered FWR
ratings, see installation instructions.
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