Firex 45189 User Manual

Description, Features, Architectural specifications

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The Firex 45189 Smoke Alarm is an ionization120V AC smoke
alarm with a lithium battery back-up providing enhanced
battery life for single or multiple station use. It includes a
Quick Quiet


False Alarm Control


feature which allows

the user to quiet an unwanted alarm for up to 15 minutes.
The 45189 has an 85 decibel horn, test switch and separate
lighted power and alarm LED indicators; the green ”power on”
LED confirms constant AC power and the red LED displays alarm/battery status. The
45189 is interconnectable with up to 11 other AC/DC smoke alarms and 6 Firex heat,
carbon monoxide or smoke and co combo alarms for a total of not more than 18 Firex

Item 45189
120V AC Direct Wire with Battery
Back-up Ionization Smoke Alarm


Quick Quiet


False Alarm Control


Quiets unwanted alarms for up to 15 minutes

9 Volt Lithium Battery Back-up
(battery included)
Provides added protection in the event of a
power failure

Interconnects with other Firex smoke,
CO, Smoke/CO Combo and heat alarms
Compatible with other contractor preferred
Firex products

Two separate lighted LEDS
Green ”power-on” LED confirms constant
AC power and red LED displays alarm/battery


The smoke alarm shall be a Styleline design (1-3/8”
high, 4-7/8” wide), powered by a 120 VAC, 60 Hz
source with a 9 volt lithium battery back-up. The
alarm shall have a ”quick connect” molded harness.
The alarm shall have a dual chamber ionization
sensor. The alarm shall be rated at no greater than
0.5W in standby. Nominal sensitivity shall be
measured by U.L. at 1.29 ± 0.51% obs./ft.
Temperature operating range shall be between 40°
and 100°F; humidity range between 10%-93%
relative humidity; 100% solid state alarm circuits
over an input range of 100-130V AC. A green
continuous power-on indicator shall be a built-in
light emitting diode when AC power is present; a
second red blinking LED shall indicate that a
sufficient 9-volt battery back-up is present; when
activated the initiating alarm red LED shall flash
while the interconnected alarm LEDs remain
extinguished. The Quick Quiet™ False Alarm
Control™ feature shall desensitize the alarm for 15
minutes. The red LED shall blink once every 10
seconds when in Quick Quiet™ False Alarm
Control™ and the alarm shall produce two short
chirps 2 seconds apart at the conclusion of the
desensitized period. The test switch shall
electronically activate the chamber to simulate
smoke and check for proper operation. The
Piezoelectric horn shall have a level of 85 decibels at
10 feet. The alarm shall mount to a single gang box,
4” octagon junction box, or a square to round
drywall ring without screw removal. It shall have a
pigtail wiring, and a separate mounting bracket. It
shall include a battery ”lock-out” to prohibit
mounting if battery is not installed and a tamper-
resistant locking pin to prevent unauthorized
removal. The 45189 shall meet the requirements of
U.L. Standard 217.


Invensys Climate Controls Americas
191 E. North Avenue
Carol Stream, IL 60188 USA
Cust. Service Telephone +1 800 951 5526
Cust. Service Facsimile +1 630 260 7299


45189 / ADC

Product Weight

8 ounces

Operating Temp.

40˚ to 100˚F

4˚ to 38˚C

Interconnect Qty.

Up to 18 Firex devices maximum: 12 Smoke alarm items 4418 (model
AD), 4518 (model ADC), 5000 and 4618 (model FADC), and 4480
(model PAD). Up to 6 heat, CO or smoke/CO combo alarms maximum;
heat alarm item 5700 (model ADH), CO alarm item 6045 (model
COQ8) or smoke/CO combo alarm 7000(C) (model FADCQ).

Electrical Rating

120V AC, 60HZ, 50mA max, 9 Volt Lithium Battery Back-up

Alarm Point

1.29±0.51%/ft. obscuration

Horn Output

85 decibels at 10 feet


UL 217

Detection Type

Dual Ionization Chamber

Humidity Range

10% to 93% Relative Humidity

Mounting Bracket

Side View

shipping specifications

technical information

Individual Carton Dim.

5-1/8” x 5-1/8” x 1-1/2”

13cm x 13cm x 3.8cm

Master Carton Quantity


Master Carton Dimensions

19-3/4” x 10-3/4” x 5-1/2”

50.2cm x 27.3cm x 13.9cm

Master Carton Weight

13 lbs

5.9 kg

Pallet Quantity


Pallet Dimensions

40”L x 48”W x 48”D

102cm x 122cm x 122cm



An ISO 9002 Certified Company