Carbon Monoxide Alarm User Manual

brkelectronics.com
ARCHITECTURAL AND ENGINEERING SPEC
INSTALLATION OF ALARM
The explosive gas/CO combination alarm shall be a First Alert Model GCO1 and shall
provide at a minimum the following features and functions:
1. An electrochemical CO sensor and a metal oxide explosive gas sensor.
2. The unit shall have a digital display with peak CO memory feature
3. The unit shall be capable of self restoring and provide an end of life timer.
4. 120V AC powered with a 9V alkaline battery backup and a solid state piezo horn
rated at 85dB at 10 ft.
5. A visual green LED power-on indicator to confirm unit is receiving power. A visual 
red indicator to show unit is alarm.
6. A full function test button should check all alarm functions by simulating an 
explosive gas and CO condition, causing the unit to alarm.
7. Two Silence features - Low Battery Silence: Silence low battery chirp for up to 8 
hours. Alarm Silence: Temporarily silence unwanted nuisance alarms.
8. An infrared remote (IR) feature to test and/or silence the alarm with most 
standard IR remote controls.
9. The unit shall be capable of operating between 40°F (4°C) and
100°F (38°C) and relative humidity between 10% and 95%.
10. The unit shall contain mounting hardware and shall be listed for wall
mounting.
11. The unit shall at a minimum meet the requirements of UL1484, UL2034, NFPA 
720, ICC.
Installation of this alarm must conform to 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  5.813 ”L x 2.938”W x 3.438”H
Weight  0.69lbs.
Cube  0.034 ft3
UPC  0 29054 00045 3
Master Carton Dimensions  9.125”L x 7.125”W x 6.313”H
Master Pack 6
Weight  4.35lbs.
Cube  0.238 ft3
UPC  600 29054 00045 5
Pallet Information 
Cases per Layer 27
Number of Layers 7
Cases per Pallet  189
Units per Pallet  1,134
Cube 55.2 ft3
Weight 887 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.
CM2914
THE PARTS OF THIS GAS/CO ALARM
1. Test/Silence button &
remote control sensor
2. Power Light (GREEN)
3. Display
4. Alarm Horn (behind cover)
5. Display Button: Press to 
recall highest CO level 
recorded.
6. 9V Battery compartment
3.1"
TOP VIEW SIDE VIEW BACK VIEW
2.5"
Alarm Dimensions:  3.1”H x 5.7"L x 2.5"D
Weight:  9.6 oz.
Operating Voltage:  120V AC with 9V Alkaline Battery Backup
Temperature Range:  40F (4C) to 100F (38C)
Humidity Range: 10% to 95% relative humidity (RH)
Audio Alarm: 85dB at 10 feet
Test/Silence: Electronically simulates both explosive gas and CO 
conditions, causing the unit to alarm or temporarily 
silence the alarm
Remote: Use vol/chn buttons on most household IR remotes.
Manual: Press and hold test/silence button
Alarm Reset: Automatic when explosive gas and/or CO clears
CO Sensor: Electrochemical
Gas Sensor: Thick film metal oxide
Indicator Lights/Sounds:
AC Power: Constant green light
DC Power: Intermittent green Light
Gas Alarm: Audio Alarm (continuous beeps), rapidly flashing red light 
CO Alarm: Audio Alarm (4 beeps, pause, 4 beeps), rapidly
flashing red light
Digital Display: Displays hazard (Gas or CO), battery level or CO levels in 
parts per million (PPM)
Listing: ETL to UL1484 and 2034 Standards
CAT.
GCO1B
CO
5.7"
2
3
4
1
5
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