Copyright 2005 Wheelock, Inc. All rights reserved. P83566 P
Sheet 1 of 4
273 Branchport Avenue Thank you for using our products.
Long Branch, N.J. 07740 INSTALLATION INSTRUCTIONS
(800) 631-2148 SERIES E70/90 LOW PROFILE SPEAKERS AND SPEAKER STROBES
www.wheelockinc.com
Use this product according to this instruction manual. Please keep this instruction manual for future reference.
GENERAL:
Wheelock’s Series E70/90 Low Profile Speakers and Speaker Strobes are UL Listed under Standard 1971 for Signaling Devices for the Hearing Impaired and UL
Standard 1480 for Speaker Appliances. They are designed for multiple power requirements with high dBA output at each power tap. All models offer a choice of field
selectable taps, 1/8W to 2W, for either 25.0VRMS or 70.0VRMS audio systems. The Low Profile design incorporates a high efficiency speaker for maximum output at
minimum power across a frequency range of 400Hz to 4000Hz, and features a sealed back construction for extra protection and improved audibility. The Series E70/90
appliances also incorporate a Speaker Mounting Plate attached to the speaker for ease of installation. The Low Profile Speaker Strobes 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 a Sync
Module (SM), Dual Sync Module (DSM), or Wheelock’s Power Supplies. The Strobes use a xenon flashtube with solid state circuitry enclosed in a polycarbonate lens
to provide maximum visibility and reliability for effective visible signaling. The 241575W candela wall mounted strobes are listed at 15 candela under UL Standard
1971 and meet 75 candela intensity on axis with low current draw. The E70 Speaker Strobe for wall mounting only
is available with the UL Listed strobe option:
241575W. The E90 Speaker Strobes for ceiling mounting only.
All models are Listed for indoor use only with the backboxes specified in these instructions (see wiring
and mounting information).
WARNING: PLEASE READ THESE INSTRUCTIONS CAREFULLY. FAILURE TO COMPLY WITH ANY OF THE FOLLOWING
INSTRUCTIONS, CAUTIONS AND 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.
SPECIFICATIONS:
Table 1: UL Listed Models and Ratings
Speaker Strobe
Model Voltage
(VRMS)
dBA at 10 Feet
(Rated Watts)
Regulated
Voltage
(VDC/VRMS)
Voltage
Range
(VDC/VRMS)
Candela
Mounting
Options
1/8 1/4 1/2 1 2
E70 25/70 77 81 83 86 89 ---- ---- ---- A,C
E70-241575W* 25/70 76 80 82 85 88 24 16-33.0 15 B,D
E90 25/70 77 81 83 86 89 ---- ---- ---- A
* 241575W models are UL Listed at 15cd and meet 75cd on axis.
NOTES:
1. The strobe will produce 1 flash per second over the "Regulated Voltage" range.
2. Strobes meet the required light distribution patterns defined in UL 1971.
3. Models are UL Listed for indoor use with a temperature range of +32°F to +120°F (0°C to +49°C) and maximum humidity of 85% RH. The effect of shipping
and storage temperatures shall not adversely affect the performance of the appliance when it is stored in the original cartons and is not subjected to misuse or
abuse.
4. The maximum supervision voltage is 33 volts DC.
5. Frequency range of speakers is 400-4000Hz.
CAUTION: Always operate audio amplifiers and speakers within their specified ratings. Excessive input may distort sound quality and may damage audio
equipment. Do not exceed 100% of speaker input voltage per UL 1480. Improper input voltage can damage speaker. If distortion is heard, check for clipping of the
audio appliance with an oscilloscope and reduce the amplifier input level or gain level to eliminate any clipping.
Table 2: UL Current Ratings with Strobe Only
Maximum RMS Current (AMPS)
UL Voltage RMS
DC 16-33VDC 0.090
FWR 16-33VRMS 0.145
When calculating the total currents use Table 2 to determine the highest value of RMS current for an individual strobe, then multiply these values by the total number of
strobes. 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.
NOTE: The maximum number of strobes on a single notification appliance circuit shall not exceed 50.
CAUTION: These strobes are UL Listed as “Regulated”. They are intended to be used with FACPs whose notification circuits are UL Listed as “Regulated.”
These appliances shall not be used on UL Listed “Special Application” notification circuits unless the appliances are identified to be compatible in the installation
instructions of the FACP or unless the FACP is identified to be compatible in this instruction manual.
WARNING: THESE STROBES WERE TESTED TO THE REGULATED VOLTAGE LIMITS OF 16.0-33.0 VOLTS FOR 24V MODELS USING
FILTERED DC OR UNFILTERED FULL-WAVE-RECTIFIED VOLTAGE. DO NOT APPLY VOLTAGE OUTSIDE OF THIS RANGE.
WARNING: 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 APPPLIED VOLTAGE TO THE STROBES. THE MAXIMUM
WIRE IMPEDANCE BETWEEN STROBES SHALL NOT EXCEED 35 OHMS.
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