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2

PN P85583A

      

Table 4: Speaker Voltage and Wattage Connection 

Chart

Position

25V

70V

A

2

------

B

1

------

C

1/2

------

D

1/4

2

E

1/8

1

F

------

1/2

G

------

1/4

H

------

1/8

 

 

                                                

Figure 5:  LSPST3 and LSPST3-A Expected Light Output  

CAUTION:

 Always operate audio amplifiers and speakers within their specified ratings. Excessive input may distort sound quality and may 

damage audio equipment. 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.

                                              

    Figure 6: Surface Backbox Mounting                                                     Figure 7: Four-Inch Square Backbox Mounting   

MOUNTING OPTIONS

Although the limits shown for each mounting option comply with the National Electrical Code (NEC), Cooper 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.

NOTE:

 Speaker-strobe mounting depicted in Figure 6 & 7.  For non-strobe speaker surface mounting, use same surface box as depicted in 

Figure 6.

NOTE: 

Surface backbox (LSPKBB) shown in Figure 6, is compatible with wiremold and conduit. Mounting holes are for single-gang, double-

gang, and #10 wood screws for stud mounting. If metal conduit is installed onto top and bottom conduit entrances, then an insulated grounding 

wire (18 AWG, supplied) must be connected between the top and bottom plate by using thread cutting screws (supplied) to provide electrical 

continuity per UL 50.

MOUNTING PROCEDURES
NOTE:

 Remove the Lens Protector Tape and cardboard speaker protector before replacing the appliance Cover Grill.

CAUTION:

 Check that the installed product will have sufficient clearance and wiring room prior to installing backboxes and conduit, especially if 

sheathed multiconductor cable or 3/4” conduit fittings are used.

CAUTION:

 The candela select switch must be field set to the required candela intensity before installation. When changing the setting of the 

candela select switch make certain that it clicks in place. After changing the candela setting the appliance must be retested to verify proper 

operation. Improper setting of the candela select switch may result in operation at the wrong candela

NOTE:

 Remove the Lens Protector Tape and cardboard speaker protector before replacing the appliance Cover Grill.

CAUTION:

 Check that the installed product will have sufficient clearance and wiring room prior to installing backboxes and conduit, especially if 

sheathed multiconductor cable or 3/4” conduit fittings are used.

1. 

LSPK  and LSPST3 models have an integrated Speaker Mounting Plate.

2. 

First mount the Speaker Mounting Plate to the backbox. Next slide the grille over the Speaker Mounting Plate strobe until both snaps are engaged.

3. 

When terminating field wires, do not use more lead length than required. Excess lead length could result in insufficient wiring space for 

the signaling appliance.

4. 

Conduit entrances to the backbox should be selected to provide sufficient wiring clearance for the installed product.

5. 

Do not pass additional wires (used for other than the signaling appliance) through the backbox. Such additional wires could result in 

insufficient wiring space for the signaling appliance. 

6. 

Mounting hardware for each mounting option is supplied.

7. 

All models can be flush mounted to a 4” square by 2-1/8” deep backbox in the wall, refer to Figure 7.

8. 

Use care and proper techniques to position the field wires in the backbox so that they use minimum space and produce minimum stress 

on the product. This is especially important for stiff, heavy gauge wires and wires with thick insulation or sheathing.

9. 

Use care to prevent speaker cone damage when driving screws for speaker product mounting.

10. 

Spacing between mouting hole screws is 5 1/8”.

WARNING: When installing strobes in an open office or other areas containing partitions or other viewing obstructions, special atten

-

tion should be given to the location of the strobes so that their operating effect can be seen by all intended viewers, with the intesity, 

number, and illumination, regardless of the viewer’s orientation.

The 110cd setting for the LSPST3 Clear Lens is Listed for use in sleeping or non-sleeping areas when installed in accordance with appropriate 

NFPA Standards and the Authority Having Jurisdiction.

WARNING: A small possibility exists that the use of multiple strobes within a person’s field of view, under certain circumstances, 

might induce a photo-sensitive response in persons with epilepsy. Strobe reflections in a glass or mirrored surface might also induce 

such a response. To minimize this possible hazard, Cooper Wheelock strongly recommends that the strobes installed should not 

present a composite flash rate in the field of view which exceeds five (5) hz at the operating voltage of the strobes. Cooper Wheelock 

also strongly recommends that the intensity and composite flash rate of installed strobes comply with levels established by appli

-

cable laws, standards, regulations, codes and guidelines.

If this appliance is required to produce a distinctive three-pulse Temporal Pattern Fire Alarm Evacuation Signal (for total evacuation) in ac-

cordance with NFPA 72, the appliance must be used with a fire alarm control unit that can generate the temporal pattern signal. Refer to 

manufacturer’s installation manual for details.

NOTE: 

NFPA 72/ANSI 117.1 conforms to ADAAG Equivalent Facilitation Guidelines in using fewer, higher intensity strobes within the same 

protected area.

CAUTION:

 Check the installation instructions of the manufacturers of other equipment used in the system for any guidelines or restrictions 

on wiring and/or locating Notification Appliance Circuits (NAC) and notification appliances. Some system communication circuits and/or audio 

circuits, for example, may require special precautions to assure electrical noise immunity (e.g., audio crosstalk).

NOTE: 

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. 

These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a -commercial 

environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the 

instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause 

harmful interference in which case the user will be required to correct the interference at his own expense.

This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.

Cet appareil numérique de la classe A respecte toutes les exigences du Réglement sur le matériel brouilleur du Canada.
ANY MATERIAL EXTRAPOLATED FROM THIS DOCUMENT OR FROM COOPER WHEELOCK MANUALS OR OTHER DOCUMENTS DE

-

SCRIBING THE PRODUCT FOR USE IN PROMOTIONAL OR ADVERTISING CLAIMS, OR FOR ANY OTHER USE, INCLUDING DESCRIP

-

TION OF THE PRODUCT’S APPLICATION, OPERATION, INSTALLATION AND TESTING IS USED AT THE SOLE RISK OF THE USER AND 

COOPER WHEELOCK WILL NOT HAVE ANY LIABILITY FOR SUCH USE.
Copyright 2017 Cooper Wheelock Inc., dba Cooper Notification. All rights reserved. 

04/17

Figure 3:  Speaker Selector Switch Setting                                         Figure 4: Strobe Candela indicator

0%

20%

40%

60%

80%

100%

120%

140%

160%

180%

200%

-100

-80

-60

-40

-20

0

20

40

60

80

100

%

 of

 R

at

ing

Angle

Expected

Horizontal

Values

Expected

Vertical

Values

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