First Alert GC01B Leaflet

brkelectronics.com

A R C H I T E C T U R A L A N D E N G I N E E R I N G S P E C

I N S T A L L A T I O N O F A L A R M

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.
  4. 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.

5. 120V AC powered with a 9V alkaline battery backup and a solid state piezo horn

rated at 85dB at 10 ft.

6. The CO sensor is adjusted not to detect CO levels below 30 PPM and will not

alarm when exposed to constant levels of 30 PPM for 30 days. It will alarm

at the following levels: 400 PPM CO between 4 and 15 minutes, 150 PPM CO

between 10 and 50 minutes and 70 PPM CO between 60 and 240 minutes.

7. A visual green LED power-on indicator to confirm unit is receiving power. A visual

red indicator to show unit is in alarm.

8. A full function test button should check all alarm functions by simulating an

explosive gas and CO condition, causing the unit to alarm.

9. Two Silence features - Low Battery Silence: Silence low battery chirp for up to 8

hours. Alarm Silence: Temporarily silence unwanted nuisance alarms.

10. The unit shall be capable of operating between 40°F (4°C) and

100°F (38°C) and relative humidity between 10% and 95%.

11. The unit shall contain mounting hardware and shall be listed for wall mounting.
12. 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.

S H I P P I N G S P E C S :

T E C H N I C A L S P E C S

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

Weight

4.35lbs.

Cube

0.238 ft3

I2 of 5

600 29054 00045 5

Pallet Information

Cases per Layer

Number of Layers

Cases per Pallet

189

Units per Pallet

1,134

Cube

55.2 ft3

Weight

887 lbs.

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.
CM2943

THE PARTS OF THIS GAS/CO ALARM

1. Test/Silence button

2. Power Light (GREEN)

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:

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 both explosive gas and CO

conditions, causing the unit to alarm or temporarily

silence the alarm

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 green light

CO Alarm:

Audio Alarm (4 beeps, pause, 4 beeps), rapidly

flashing green light

Digital Display:

Displays hazard (Gas or CO), battery level or CO levels in

parts per million (PPM)

Listing:

Listed to UL1484 and 2034 Standards

CAT.

GCO1B

5.7"