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1 I56-5846-001

01-12

BEFORE INSTALLING

Please read the System Sensor Audible Visible Application Reference Guide,

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

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

NFPA 72 and NEMA guidelines should be observed.

Important: The notification appliance used must be tested and maintained

following NFPA 72 requirements.

GENERAL DESCRIPTION

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

and visible devices for life safety notification. Our 2-wire horn strobes, chime

strobes and strobes come with 8 field selectable tone and volume combina-

tions and 7 field selectable candela settings. Intended for indoor applications

and approved for ceiling mount installations.

2-wire horn strobes and strobes are public mode notification appliances in-

tended to alert occupants of a life safety event. The 2-wire chime strobe is

a private mode notification appliance. The horn is listed to ANSI/UL 464 re-

quirements (public mode) and the strobe is listed to ANSI/UL 1638 (public

mode). 2-wire chime strobe is a private mode notification appliances intended

to alert trained personnel to investigate a life safety event and take appropriate

actions. The chime portion of the chime strobe is listed to ANSI/UL 464 (pri-

vate mode) and the strobe portion is listed to ANSI/UL 1638 (private mode).

System Sensor strobes are designed to be used in 12 VDC, 24VDC, or 24V FWR

(full wave rectified) systems. System Sensor AV devices can be activated by a

compatible fire alarm control panel or power supply. Refer to the appropriate

fire alarm control panel manufacturer or power supply for more information.

System Sensor ceiling 2-wire horn strobes, 2-wire chime strobes, and strobes

are electrically backward compatible with the previous generation, since 1996,

of notification appliances. They come enabled with System Sensor synchro-

nization protocol which requires connections to a power supply capable of

generating the System Sensor synchronization pulses, a FACP NAC output

configured to System Sensor synchronization protocol, or the use of MDL3

module to generate the synchronization protocol.

FIRE ALARM SYSTEM CONSIDERATIONS

The National Fire Alarm and Signaling Code, NFPA 72, requires that all noti-

fication appliances, used for building evacuation installed after July 1, 1996,

produce temporal coded signals. Signals other than those used for evacuation

purposes do not have to produce the temporal coded signal. System Sensor

recommends spacing notification appliances in compliance with NFPA 72.

SYSTEM DESIGN

The system designer must make sure that the total current draw by the devices

on the loop does not exceed the current capability of the panel supply, and

that the last device on the circuit is operated within its rated voltage. The

current draw information for making these calculations can be found in the

tables within the manual. For convenience and accuracy, use the voltage drop

calculator on the System Sensor website (www.systemsensor.com).

When calculating the voltage available to the last device, it is necessary to

consider the voltage due to the resistance of the wire. The thicker the wire, the

smaller the voltage drop. Wire resistance tables can be obtained from electri-

cal handbooks. Note that if Class A wiring is installed, the wire length may

be up to twice as long as it would be for circuits that are not fault tolerant.

The total number of strobes on a single NAC must not exceed 69 for 24 volt

applications.

AVAILABLE TONES

System Sensor offers a wide variety of tones for your life safety needs, includ-

ing temporal 3 pattern (½ second on, ½ second off, ½ second on, ½ second

off, ½ second on, 1½ off and repeat) which is specified by ANSI and NFPA 72

for standard emergency evacuation signaling.

To select the tone, turn the rotary switch on the back of the product to the

desired setting. (See Figure 1.) Available horn settings can be found in Table 1.

Available chime settings can be found in Table 2.

AVAILABLE CANDELA SETTINGS

System Sensor offers a wide range of candela settings for your life safety

needs. In order to select your candela output, adjust the slide switch on the

rear of the product to the desired candela setting on the selector switch. (See

Figure 2.)

The candela setting can also be verified by looking into the small window on

the front of the unit. See Table 3 for candela settings for ceiling products. All

products meet the light output profiles specified in the appropriate UL Stan-

dards. (See Figures 3 to 5.)

INSTALLATION AND MAINTENANCE INSTRUCTIONS

Selectable Output

Horn Strobes, Chime Strobes

and Strobes – Ceiling Mount

For use with the following models:

Ceiling Mount Horn Strobes: PC2RL, PC2WL

Ceiling Mount Chime Strobes: CHSCRL, CHSCWL

Ceiling Mount Strobes: SCRL, SCWL, SCWL-CLR-ALERT

PRODUCT SPECIFICATIONS

Standard Operating Temperature: 32°F to 120°F (0°C to 49°C)

Humidity Range: 10 to 93% Non-condensing

Strobe Flash Rate 1 flash per second

Nominal Voltage: Regulated 12VDC or regulated 24DC/FWR

Operating Voltage Range: 8 to 17.5V (12V nominal) or 16 to 33V (24V nominal)

Operating Voltage with MDL3 Sync Module: 8.5 to 17.5V (12V nominal) or 16.5 to 33V (24V nominal)

Input terminal wire gauge: 12 to 18 AWG

DIMENSIONS FOR PRODUCTS AND ACCESSORIES MOUNTING BOX OPTIONS

CEILING PRODUCTS Diameter Depth

2-Wire Indoor Products

Strobe, Chime Strobe and Horn Strobe

6.83"

(173.5mm)

2.47"

(62.7mm)

4 x 4 x 1½" " ", Single Gang, Double Gang,

4" Octagon, SBBCRL/WL (ceiling)

Strobe, Chime Strobe, and Horn Strobe with

SBBCRL/WL Surface Mount Back Box

6.92"

(175.8mm)

2.50"

(63.5mm)

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

3825 Ohio Avenue, St. Charles, Illinois 60174

800/736-7672, FAX: 630/377-6495

www.systemsensor.com

I56-5846-001

2 I56-5846-001

01-12

FIGURE 3. LIGHT OUTPUT - VERTICAL DISPERSION, CEILING TO WALLS

TO FLOOR

Degrees* Percent of

Rating

0 100

5-25 90

30-45 75

50 55

60 45

65 35

70 35

75 30

80 30

85 25

90 25

FIGURE 4. LIGHT OUTPUT – FIGURE 5. VERTICAL

HORIZONTAL DISPERSION DISPERSION, WALL TO FLOOR

Degrees* Percent of Rating Degrees* Percent of Rating

0 0100 100

5-25 90 5-30 90

30-45 75 35 65

50 55 40 46

55 45 45 34

60 40 2750

65 35 55 22

70 35 60 18

75 65 1630

80 1530 70

85 25 75 13

90 25 80 12

Compound 45

to the left 24 85 12

Compound 45

to the right 24 90 12

A0467-00

A0469-00

*Tolerance of ±1 degree is permitted.

FIGURE 1. AUDIO SELECTOR

A0518.00

FIGURE 2. CANDELA SELECTOR

A0486-00

TABLE 1. HORN TONES TABLE 2. CHIME TONES

Pos Tone Volume

Setting Pos Tone Volume

Setting

1 Temporal High 1 1 Second Chime High

2 Temporal 2 1 Second ChimeLow Low

3 Non-Temporal High 3 1/4 Second

Chime High

4 Non-Temporal 4Low 1/4 Second

Chime Low

53.1 KHz

Temporal High 5 Temporal Chime High

63.1 KHz

Temporal Low 6 Temporal Chime Low

73.1 KHz

Non-Temporal High 7 5 Second Whoop High

83.1 KHz

Non-Temporal Low Low8 5 Second Whoop

TABLE 3. CEILING-MOUNT STROBE CURRENT DRAW (mA)

Candela

8-17.5

Volts 16-33 Volts

DC DC FWR

15 87 6041

NOTE: Products set at 15 and 30 can

dela automatically work on either 12V

or 24V power supplies. The products

are not listed for 12V DC operation

when set to any other candela settings.

30 153 63 86

75 - 142111

95 - 134 164

115 - 158 191

150 - 189 228

177 - 226 264

CURRENT DRAW AND AUDIBILITY RATINGS

For the horn strobe, the current draw and audibility ratings for each setting is

listed in Table 4. For the chime strobe, the current draw and audibility ratings

for each setting is listed in Table 5. For the strobe, the current draw for each

setting is listed in Table 3.

TABLE 4. CEILING--MOUNT HORN STROBE CURRENT DRAW (mA) AND SOUND OUTPUT ( A) dB

Current draw (mA)

Sound Output (dBA)

Pos Tone Volume

Setting

8-17.5 VDC 16-33 VDC 16-33 FWR

8-17.5 V 16-33 V

15 30 30 75 95 150 30 75 95 15015 115 177 15 115 177

DC DC FWR

1 Temporal High 167 90 143 165 187 254 135 179 198 223 254 286 84 89 89103 71 217 107

2 Temporal 96 165 54 137 185 249 78 172 199 229 262 75 83 83Low 71 161 211 101 151

3 Non-Temporal High 173 90 165 187 273 135 179 198 223 254 286 85 90 90106 71 141 230 107

4 Non-Temporal 95 166 54 124 258 78 172 199 229 262 76 84 84Low 71 161 170 216 101 151

53.1 KHz

Temporal High 164 69 94 147 163 184 229 257 135 179 225 255 289 83 88 88111 108 200

63.1 KHz

Temporal Low 150103 101163 54 88 143 155 185 252 79212 171 196 229 260 76 82 82

73.1 KHz

Non-Temporal High 172 69 94 144 164 229 135 179 225 255 289 84 89 89111 202 271 108 200

83.1 KHz Non-

Temporal Low 150103 101169 54 88 155 187 259 79131 217 171 196 229 260 77 83 83

NOTE: Products set at 15 and 30 candela automatically work on either 12V or 24V power supplies. The products are not listed for 12VDC operation when set to

any other candela settings.

A0468-00

3 I56-5846-001

01-12

WIRING AND MOUNTING

All wiring must be installed in compliance with the National 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

"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. We provide a wire strip guide. See

Figure 6 for wiring terminals and strip guide reference.

CAUTION

Factory finish should not be altered: Do not paint!

CAUTION

Do not over tighten mounting plate screws; this may cause mounting plate

to flex.

FIGURE 6. WIRING TERMINALS, SHORTING SPRING, AND STRIP GUIDE

Shorting Spring

Strip Guide

WIRING TERMINALS

1. Negative (-). Line in and out

2. Positive (+). Line in and out

3. Positive (+). Line in and out

A0475-01

SYSTEM WIRING

The 2-wire horn strobe, chime strobe and strobe only require two wires for

power and supervision. (See Figure 7.) Please consult your FACP manufac-

turer or power supply manufacturer for specific wiring configurations and

special cases.

–

INPUT

FROM

FACP

PRIOR

DEVICE

OUTPUT

DEVICE

OR EOL

FIGURE 7. 2-WIRE CIRCUIT

A0367-01

FIGURE 8. MOUNTING

A0492-00

SHORTING SPRING FEATURE

System Sensor notification appliances come with a shorting spring that is pro-

vided between terminals 2 and 3 of the mounting plate to enable system con-

tinuity checks after the system has been wired, but prior to installation of the

final product. (See Figure 6.) This spring will automatically disengage when

the product is installed, to enable supervision of the final system.

MOUNTING

1. Attach mounting plate to junction box. The mounting plate is compatible

with 4" square, single gang, double gang, and 4" octagon junction boxes. (See

Figure 8.)

2. Connect field wiring according to terminal designations. (See Figures 6 and

7.)

3. If the product is not to be installed at this point, use the protective dust

cover to prevent contamination of the wiring terminals on the mounting plate.

4. To attach product to mounting plate, hook tabs on the top of the product

housing into the grooves on mounting plate. Then, hinge the product into

position to engage the pins on the product with the terminals on the mounting

plate. Make sure that the tabs on the back of the product housing fully engage

with the mounting plate.

5. Secure product by tightening the single mounting screw in the front of the

product housing.

TAMPER SCREW

For tamper resistance, the standard cap-

tive screw may be replaced with the en-

closed Torx screw.

1. To remove the captive screw, back out

the screw and apply pressure to the back

of the screw until it disengages from the

housing. Replace with the supplied Torx

screw. (See Figure 9.)

FIGURE 9. TAMPER SCREW

A0873-00

TABLE 5. CEILING-MOUNT CHIME STROBE CURRENT DRAW (mA) AND SOUND OUTPUT ( A)dB

Current draw (mA)

Sound Output (dBA)

Pos Chime Tone Volume

Setting

8-17.5 VDC 16-33 VDC 16-33 FWR

8-17.5 V 16-33 V

15 30 30 75 95 150 30 75 95 15015 115 177 15 115 177

DC DC FWR

11 Second High 96 165 47 69 137 165 238 63 90 147 169 184 245 62 62117 202 212 61

21 Second Low 20093 162 47 68 137 165116 238 63 88 147 169 183 244 56 55 55212

31/4 Second High 94 48 138 166 237 65 90 149 184 246 67161 70 117 202 170 213 70 70

41/4 Second Low 93 157 48 69 137 164 199 236 64 89 148 168 184 244116 216 61 61 61

5Temporal High 93 163 48 138 165 199 238 64 89 148 169 184 245 64 66 6670 116 212

6Temporal Low 92 160 47 69 136 164 198 237 63 88 147 169 183 245 59 60 60116 212

75 Second

Whoop High 98 169 54 77 124 146 173 245 75 155 178 193 255 76 78 78206 100 221

85 Second

Whoop Low 20295 166 49 144 16871 117 239 68 148 186 248 62 64 6491 170 217

NOTE: Products set at 15 and 30 candela automatically work on either 12V or 24V power supplies. The products are not listed for 12VDC operation when set to

any other candela settings.