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ARCHITECTURAL AND ENGINEERING SPEC 
INSTALLATION OF ALARM
The smoke/CO combination alarm shall be a First Alert Model SCO5 and shall provide 
at a minimum the following features and functions:
 1. A Photoelectric smoke sensing chamber and an electrochemical CO sensor.
 2. The unit shall have a lower and varying horn frequency to to make it easier for 
 the elderly with normal age related hearing loss to better hear the horn
 3. The unit shall have an "End of Life" signal. This signal should be capable of 
 temporarily being silenced for up to 2 days. After about 2 days, the signal will 
 resume. After about 2-3 weeks the signal cannot be silenced. 
 4. Fully screened smoke sensing chamber to resist entry of small insects thereby 
 reducing the probability of unwanted alarms and be capable of self restoring.
 5. Powered by supervised 2 AA alkaline batteries and a solid state piezo horn rated at 
 85dB at 10 ft.
 6. A visual green LED power-on indicator to confirm unit is receiving power. A visual 
 red indicator to show unit is alarm.
 7. A full function test button should check all alarm functions by simulating a smoke 
 and CO condition, causing the unit to alarm.
 8. Two Silence features - Low Battery Silence: Silence low battery chirp for up to 8 
 hours. Alarm Silence: Temporarily silence unwanted nuisance alarms.
 9. Optipath 360 TechnologyTM - provides 360 degrees of direct access to the 
 smoke sensing chambers.
 10. Two Locking features - tamper resistant locking pins that lock battery drawer 
 and/or alarm to mounting bracket.
 11. The unit shall be capable of operating between 40°F (4°C) and
 100°F (38°C) and relative humidity between 10% and 95%.
 12. The unit shall contain mounting hardware and shall be listed for wall
 or ceiling mounting.
 13. The unit shall at a minimum meet the requirements of UL217, UL2034, CSFM,
 NFPA 72, NFPA 720, NFPA 101, ICC
Installation of this alarm must conform to NFPA 72 and NFPA 720. Always check your local 
building codes. Follow all instructions for placement as outlined in the user’s manual.
SHIPPING SPECS:
TECHNICAL SPECS
Individual Carton Dimensions 5.13 ”L x 2.380”W x 5.13”H
 Weight 0.66lbs.
 Cube 0.036 ft3
 UPC 0 29054 00347 8 (SCO5B)
 0 29054 00304 1 (SCO5LB)
Master Carton Dimensions 10.750”L x 7.880”W x 11.06”H
Master Pack 12 
 Weight 8.4lbs.
 Cube 0.542 ft3
 I2 of 5 700 29054 00347 7 (SCO5B)
 100 29054 00304 8 (SCO5LB)
Pallet Information 
 Cases per Layer 22 
 Number of Layers 4
 Cases per Pallet 88
 Units per Pallet 1,056
 Cube 53.9 ft3
 Weight 804 lbs.
©2009 BRK Brands, Inc. a Jarden Corporation 
Company (NYSE: JAH)
3901 Liberty Street Road
Aurora, IL 60504-8122
All rights reserved
First Alert is a registered trademark of the First Alert Trust
BRK is a registered trademark of BRK Brands, Inc.
CM2954
CAT. SCO5B Series
THE PARTS OF THIS SMOKE/CO ALARM
 BOTTOM OF ALARM
 1. Mounting bracket
 2. Mounting Slots
 3. Battery Drawer - Install
 2 AA batteries here
 4. Turn this way to 
 remove from bracket
 5. Turn this way to 
 attach to bracket
 TOP OF ALARM
 1. Test/Silence button & 
 remote control sensor
 2. Slide-open
 battery drawer
 3. Power/smoke alarm light
 4. CO alarm light
BATTERY DRAWER LOCK
 Remove Pin from 
Mounting Bracket
 Close Door. Insert Pin in Holes 
through alarm and Battery Drawer
5.0"
TOP VIEW SIDE VIEW
MOUNTING
BRACKET
2.0"
 
 
 
Alarm Dimensions: 5.0” dia x 2.0”H
Weight: 8.4 oz.
Operating Voltage: 2AA Alkaline Battery Powered
Temperature Range: 40°F (4°C) to 100°F (38°C)
Humidity Range: 10% to 95% relative humidity (RH)
Audio Alarm: 85dB at 10 feet
Test/Silence: Electronically simulates smoke and CO conditions, 
 causing the unit to alarm and temporarily silence the alarm 
 Press and hold test/silence button
Alarm Reset: Automatic when smoke and/or CO clears
Smoke Sensor: Photoelectric
CO Sensor: Electrochemical
Indicator Lights/Sounds:
 DC Power: Intermittent Red Light
 Alarm: Audio Alarm, rapidly flashing red light by corresponding 
 smoke or CO indicator light
Listing: Listed to UL217 and 2034 Standards