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I56-3577-000 

  

For use with the following models:

Wall Speakers: SPRLA, SPWLA

Ceiling Speakers: SPCRLA, SPCWLA

PRODUCT SPECIFICATIONS

Standard Operating Temperature:

32°F to 120°F (0°C to 49°C)

Humidity Range:

10 to 93% Non-condensing

Nominal Voltage:

25 Volts or 70.7 Volts

Maximum Supervisory Voltage: 

50 VDC

Speaker Frequency Range: 

400 – 4000 Hz

Power Settings: 

¼, ½, 1, 2 Watts

Input terminal wire gauge:

12 to 18 AWG

PRODUCT DIMENSIONS

MOUNTING BOX OPTIONS

WALL PRODUCTS

Length

Width

Depth

SPEAKERS

Wall Speaker 

6.520" (165 mm)

5.00" (127 mm)

0.97" (24.6 mm)

4" x 4" x 2

1

/

8"

 or deeper

CEILING PRODUCTS

Length

Width

Depth

Ceiling Speaker

6.8" (173 mm)

N/A

1.00” (25.4mm)

NOTICE:

 This manual shall be left with the owner/user of this equipment.

BEFORE INSTALLING

Please read the System Sensor Voice Evacuation Application Guide, which 

provides detailed information on speaker notification devices, wiring and spe-

cial applications. Copies of this manual are available from System Sensor. 

CAN/ULC S524 and NEMA guidelines should be observed. 

Important: 

The notification appliance used must be tested and maintained 

following CAN/ULC S536 requirements. 

GENERAL DESCRIPTION

System Sensor series of notification appliances offer a wide range of audible 

and visible devices for life safety notification. Our line of speakers is designed 

to be used at either 25 or 70.7 volts, and operate at any one of four input 

power levels. Our speakers are suitable for dry and damp environments. 

These products are electrically backwards compatible with previous genera-

tion of System Sensor speakers. With its low total harmonic distortion, the 

System Sensor SPL series offers high fidelity sound output. Wall and ceiling 

products may be used interchangeably (wall products may be used on ceiling 

and ceiling product may be used on wall). 

FIRE ALARM SYSTEM CONSIDERATIONS

All wiring must be installed in compliance with the Canadian Electrical Code 

(CEC) and applicable local codes. System Sensor recommends installing fire 

alarm speakers in compliance with CAN/ULC S524. 

WIRING AND MOUNTING

All wiring must be installed in compliance with the Canadian Electric Code 

and the local codes as well as the authority having jurisdiction. Wiring must 

not be of such length or wire size which would cause the notification appli-

ance to operate outside of its published specifications. Improper connections 

can prevent the system from alerting occupants in the event of an emergency. 
Wire sizes up to 12 AWG (2.5 mm²) may be used with the mounting plate. 

The mounting plate ships with the terminals set for 12 AWG wiring. 
Make wire connections by stripping about 

3

/

8

" of insulation from the end of the 

wire. Then slide the bare end of the wire under the appropriate clamping plate 

and tighten the clamping plate screw. 
See Figure 1 for wiring terminals and strip guide reference.
1. Connect the speaker as shown in Figure 1.

2. There are two rotary switches on the back of the product. The first switch 

is used to select either 25 or 70.7 volts input and the second switch is used to 

select the input power of ¼, ½, 1 or 2 watts. (See Figure 2.)

FIGURE 1. WIRING DIAGRAM AND WIRING TERMINALS

 

(-)

(+)

(-)

(+)

Input from 

Amplifier

Output to 

Next Device or EOL

  

 

 A0380-00

 

Wiring Terminals

1. Negative (-). Line in and out

2. Positive (+). Line in and out

3. Positive (+). Line in and out

NOTE: Do not loop electrical wiring un-

der terminal screws. Wires connecting 

the device to the control panel must 

be broken at the device terminal con-

nection in order to maintain electrical 

supervision.

FIGURE 2. SPEAKER WATTAGE AND VOLTAGE SETTINGS

 

  

A0419-01

INSTALLATION AND MAINTENANCE INSTRUCTIONS

6581 Kitimat Road, Unit 6, Mississauga, Ontario L5N-3T5

800/736-7672, FAX: 905-812-0771

www.systemsensor.ca

Dual Voltage Speakers- Wall and 

Ceiling Mount   

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