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P82483 E 

Sheet 1 of 7 

 

273 Branchport Avenue 
Long Branch, N.J.  07740 
(800)  631-2148                          

Thank you for using our products.

 

www.wheelockinc.com 

INSTALLATION INSTRUCTIONS 

SERIES ET SPEAKERS AND STROBE SPEAKERS 

 

Use this product according to this instruction manual.  Please keep this instruction manual for future reference. 

 

GENERAL: 

Wheelock's Series ET Speakers and Strobe Speakers are UL Listed under Standard 1971 for Signaling Devices for the Hearing Impaired 
and UL Standard 1480 for Speaker Appliances.  The LSM strobes are listed at 15 candela under UL Standard 1971 and meet 75 candela 
intensity on axis with low current draw.  The Series ET is designed for multiple power requirements with high dBA output at each power 
tap.  All ET models offer a choice of field selectable taps, 1/8 to 8 Watts for either 25.0VRMS or 70.0VRMS audio systems.  The Series 
ET design incorporates a high efficiency speaker for maximum output at minimum power across a frequency range of 400 to 4000Hz and 
features a sealed back construction for  extra protection and improved audibility.  All inputs are compatible with standard reverse 
polarity supervision of circuit wiring by a Fire Alarm Control Panel (FACP).  Series ET Strobe Speakers incorporate a Xenon flashtube 
with solid state circuitry enclosed in a rugged Lexan

 lens to provide maximum reliability for effective visible signaling.  The Strobe 

Speakers are available with a choice of four UL Listed strobe options: Series LS, LSM, MS and IS.  All models are Listed for indoor use; 
LS/MS/IS models are Listed for ceiling or wall mount and LSM models are Listed for wall mount only, with the backboxes specified in 
these instructions (see Mounting Options). 

 

NOTE:

  All 

CAUTIONS

 and 

WARNINGS

 are identified by the symbol 

.  All warnings are printed in bold capital letters. 

 

WARNING:  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 

Model 

Speaker dBA at 10 Feet  

 Strobe Voltage 

Strobe 

Mounting  

 

(Rated Watts) 

(VDC) 

Candela 

Options 

 

1/8 

1/4 

1/2 

Min 

Nom 

Max 

(cd) 

 

ET-1010 

78 

81 

84 

87 

90 

93 

96 

---- 

---- 

---- 

---- 

E,F,G,H 

ET-1070 

78 

81 

84 

87 

90 

93 

96 

---- 

---- 

---- 

---- 

A,D 

ET-1080 

78 

81 

84 

87 

90 

93 

96 

---- 

---- 

---- 

---- 

C,D 

ET-1090 

78 

81 

84 

87 

90 

93 

96 

---- 

---- 

---- 

---- 

ET-1070-LS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

15 

A,D 

ET-1070-LSM-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

 15* 

A,D 

ET-1070-MS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

30 

A,D 

ET-1070-IS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

75 

A,D 

ET-1080-LS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

15 

C,D 

ET-1080-LSM-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

 15* 

C,D 

ET-1080-MS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

30 

C,D 

ET-1080-IS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

75 

C,D 

ET-1090-LS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

15 

ET-1090-MS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

30 

ET-1090-IS-24 

78 

81 

84 

87 

90 

93 

96 

20 

24 

31 

75 

*15cd models are UL Listed at 15cd and meet 75cd on axis. 

 

Notes: 1. dBA is rated per UL Standard 1480 for Speaker Appliances.  2. Four (4) watt rating is only available with 70.0VRMS input. 

 

Copyright 1993-1997 Wheelock, Inc.  All rights reserved. 

 

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firealarmresources.com

Summary of Contents for ET Series

Page 1: ...ted for ceiling or wall mount and LSM models are Listed for wall mount only with the backboxes specified in these instructions see Mounting Options NOTE All CAUTIONS and WARNINGS are identified by the symbol All warnings are printed in bold capital letters WARNING READ THESE INSTRUCTIONS CAREFULLY FAILURE TO COMPLY WITH ANY OF THE FOLLOWING INSTRUCTIONS CAUTIONS AND WARNINGS COULD RESULT IN IMPROP...

Page 2: ... CURRENT RATINGS OF ANY FUSES ON THE CIRCUITS TO WHICH THESE APPLIANCES ARE WIRED OVERLOADING POWER SOURCES OR EXCEEDING FUSE RATINGS COULD RESULT IN LOSS OF POWER AND FAILURE TO ALERT OCCUPANTS DURING AN EMERGENCY WHICH COULD RESULT IN PROPERTY DAMAGE AND SERIOUS INJURY OR DEATH TO YOU AND OR OTHERS When calculating the total average peak or inrush currents Use Table 2 to determine the highest va...

Page 3: ...yp LSM UL Min Typ MS UL Min Typ IS 0 15 0 21 100 30 0 42 75 0 90 5 13 5 21 100 27 0 42 67 5 88 10 13 5 21 100 27 0 42 67 5 87 15 13 5 20 100 27 0 40 67 5 83 20 13 5 19 100 27 0 38 67 5 79 25 13 5 19 98 27 0 38 67 5 74 30 13 5 11 3 18 96 27 0 22 5 36 67 5 56 3 70 35 9 8 11 3 18 94 19 5 22 5 36 48 8 56 3 68 40 6 9 11 3 16 92 13 8 22 5 32 34 3 56 3 66 45 5 1 11 3 14 90 10 2 22 5 28 25 5 56 3 63 50 4 ...

Page 4: ...82483 E Sheet 4 of 7 FWR 1 0 1 2 1 3 1 4 1 5 1 7 MS DC 1 0 1 1 1 2 1 4 1 5 1 6 FWR 1 0 1 1 1 2 1 4 1 4 1 6 IS DC 1 1 1 2 1 3 1 3 1 4 1 5 FWR 1 0 1 1 1 2 1 3 1 3 1 4 www PDF Zoo com firealarmresources com ...

Page 5: ...t wire runs on supervised circuits to assure integrity of circuit supervision shown in Figure 2 The polarity shown in the wiring diagrams is for operation of the appliances GROUNDING For ET 1010 1080 install the appliance to a grounded backbox Per NFPA 70 the National Electrical Code using the lockwashers provided in hardware bag under the head of each mounting screw for the appliance WARNING CHEC...

Page 6: ... wires and stresses from the wires could damage the product Although the limits shown for each mounting option comply with the National Electrical Code NEC Wheelock recommends use of the largest backbox option shown and the use of approved stranded field wires whenever possible to provide additional wiring room for easy installation and minimum stress on the product from wiring Mounting Options A ...

Page 7: ...io amp lifiers and speakers within their specified ratings Excessive input may distort sound quality and may damage audio equipment Do not exceed 130 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 WARNING ...

Page 8: ...OING LIMITED WARRANTY SPECIFICALLY EXCLUDES ANY SOFTWARE REQUIRED FOR THE OPERATION OF OR INCLUDED IN A PRODUCT WHEELOCK MAKES NO REPRESENTATION OR WARRANTY OF ANY OTHER KIND EXPRESS IMPLIED OR STATUTORY WHETHER AS TO MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR ANY OTHER MATTER USERS ARE SOLELY RESPONSIBLE FOR DETERMINING WHETHER A PRODUCT IS SUITABLE FOR THE USER S PURPOSES OR WHETHER IT ...

Page 9: ...P82483 E Sheet 9 of 7 11 97 www PDF Zoo com firealarmresources com ...

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