manuals.online logo
Brands
  1. Home
  2. •
  3. Brands
  4. •
  5. First Alert
  6. •
  7. Carbon Monoxide Alarm
  8. •
  9. First Alert CO400B User manual

First Alert CO400B User manual

This manual suits for next models

1

Other First Alert Carbon Monoxide Alarm manuals

First Alert CO910 User manual

First Alert

First Alert CO910 User manual

First Alert FCD2BT User manual

First Alert

First Alert FCD2BT User manual

First Alert CO615 User manual

First Alert

First Alert CO615 User manual

First Alert MODEL FCD3N User manual

First Alert

First Alert MODEL FCD3N User manual

First Alert FCD4 User manual

First Alert

First Alert FCD4 User manual

First Alert ONELINK SCO500 User manual

First Alert

First Alert ONELINK SCO500 User manual

First Alert CO400A User manual

First Alert

First Alert CO400A User manual

First Alert SC01NM08 User manual

First Alert

First Alert SC01NM08 User manual

First Alert CO614B User manual

First Alert

First Alert CO614B User manual

First Alert CO3000BNEN User manual

First Alert

First Alert CO3000BNEN User manual

First Alert SC7010B User manual

First Alert

First Alert SC7010B User manual

First Alert SCO5RV User manual

First Alert

First Alert SCO5RV User manual

First Alert CO5120BN User manual

First Alert

First Alert CO5120BN User manual

First Alert CO5120PDBN User manual

First Alert

First Alert CO5120PDBN User manual

First Alert First Alert CO400 User manual

First Alert

First Alert First Alert CO400 User manual

First Alert 9120 Series User manual

First Alert

First Alert 9120 Series User manual

First Alert FCD2DD User manual

First Alert

First Alert FCD2DD User manual

First Alert SC9120B User manual

First Alert

First Alert SC9120B User manual

First Alert SCO5RVA User manual

First Alert

First Alert SCO5RVA User manual

First Alert SC7010BV User manual

First Alert

First Alert SC7010BV User manual

First Alert SCO7 User manual

First Alert

First Alert SCO7 User manual

First Alert SCO5 User manual

First Alert

First Alert SCO5 User manual

First Alert CO606A User manual

First Alert

First Alert CO606A User manual

First Alert GCO1B User manual

First Alert

First Alert GCO1B User manual

Popular Carbon Monoxide Alarm manuals by other brands

Honeywell H450EN instruction manual

Honeywell

Honeywell H450EN instruction manual

Costar 12-24SIR owner's manual

Costar

Costar 12-24SIR owner's manual

Bosch CRS-WLCD-TA869 quick guide

Bosch

Bosch CRS-WLCD-TA869 quick guide

Honeywell SF350RVUL owner's manual

Honeywell

Honeywell SF350RVUL owner's manual

Macurco CM-E1 User instructions

Macurco

Macurco CM-E1 User instructions

FireAngel CO-9X-10-EUT user manual

FireAngel

FireAngel CO-9X-10-EUT user manual

Kidde KIR-HCD Installation sheet

Kidde

Kidde KIR-HCD Installation sheet

Firex COQ3 owner's manual

Firex

Firex COQ3 owner's manual

Azbil CY7200A Specifications & instructions

Azbil

Azbil CY7200A Specifications & instructions

RKI Instruments 65-2496RK Operator's manual

RKI Instruments

RKI Instruments 65-2496RK Operator's manual

Atwood SACO-2 Owner's information manual

Atwood

Atwood SACO-2 Owner's information manual

Ei Electronics Ei 261D Instruction leaflet

Ei Electronics

Ei Electronics Ei 261D Instruction leaflet

Kidde KHU100-28 user guide

Kidde

Kidde KHU100-28 user guide

BRK electronic First Alert FCD3N user manual

BRK electronic

BRK electronic First Alert FCD3N user manual

Firex 12000 Series Quick installation guide

Firex

Firex 12000 Series Quick installation guide

ANALOX CO Clear user manual

ANALOX

ANALOX CO Clear user manual

Carrier COALMCCNRB02-A10 user guide

Carrier

Carrier COALMCCNRB02-A10 user guide

Atwood Protechtor GS-961-LP-RV User manual and installation instructions

Atwood

Atwood Protechtor GS-961-LP-RV User manual and installation instructions

manuals.online logo
manuals.online logoBrands
  • About & Mission
  • Contact us
  • Privacy Policy
  • Terms and Conditions

Copyright 2025 Manuals.Online. All Rights Reserved.

ELECTROCHEMICAL
CO SENSOR
Most accurate technology available for
detecting carbon monoxide as compared to
other sensing technologies.
BACKLIT DIGITAL
DISPLAY (CO410B)
Easily view CO hazard in PPM , peak CO
level and other alarm functions.
TWO SILENCE
FEATURES
Silences low battery chirp for up to
eight hours or silence nuisance alarm
for several minutes.
CAT. CO400B/CO410B 2 AA Battery Powered
The First Alert Cat. Nos. CO400B and CO410B are battery operated, 3V (two 1.5V
AA batteries) single station carbon monoxide alarms specifically designed for
residential and institutional applications including sleeping rooms of hospitals,
hotels, motels, dormitories and other multi-family dwellings as defined in
standard NFPA 720. Models CO400 and CO410 comply with UL2034, NFPA 720
and other agencies that model their codes after the above agencies.
First Alert CO400B and CO410B feature an electrochemical CO sensor, an 85dB
horn a silence feature and a red LED that blinks to indicate unit is receiving
power. The front access battery door allows battery access without removing the
unit from the wall. The low power warning indicator will cause the alarm to
“chirp” when the batteries need replacing. The low power warning indicator can
be silenced for up to 8 hours. An Alarm Action Chart identifies action steps to
take if unit is in alarm. First Alert CO410B also features a backlit digital display
that shows visual confirmation of CO levels and has Peak Level Memory,
remembers and displays the highest levels detected when the Peak Level button
is pressed. Backlight illuminates only when any button is pressed or unit is in
alarm. Includes mounting anchors and screws.
CARBON
MONOXIDE
ALARM
CO
CO400B
CO410B
brkelectronics.com
ARCHITECTURAL AND ENGINEERING SPEC
INSTALLATION OF ALARM
The carbon monoxide alarm shall be a First Alert Model CO400 (no display) or a CO410
(digital display) and shall provide at a minimum the following features and functions:
1. An electrochemical CO sensor.
2. The unit shall have a digital display with peak CO memory feature (CO410 only).
3. Powered by supervised 2 AA alkaline batteries and a solid state piezo horn rated at
85dB at 10 ft.
4. 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.
5. A visual red LED power-on indicator to confirm unit is receiving power
or is in alarm.
6. A full function test button should check all alarm functions by simulating a 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. The unit shall be capable of operating between 40°F (4°C) and
100°F (38°C) and relative humidity between 10% and 95%.
9. The unit shall contain mounting hardware and shall be listed for wall mounting.
10. The unit shall at a minimum meet the requirements of UL2034, NFPA 720,
NFPA 101, 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 0.43 lbs. (CO400B)
0.48 lbs. (CO410B)
Cube 0.034 ft3
UPC 0 29054 00074 3 (CO400B)
0 29054 00097 2 (CO410B)
Master Carton Dimensions 7.4”L x 5.4”W x 6.1”H
Master Pack 6
Weight 2.92 lbs. (CO400B)
3.21 lbs. (CO410B)
Cube 0.14 ft3
I2 of 5 600 29054 00074 5 (CO400B)
600 29054 00097 4 (CO410B)
Pallet Information
Cases per Layer 45
Number of Layers 6
Cases per Pallet 270
Units per Pallet 1,620
Cube 49.6 ft3
Weight 788 lbs. (CO400B)
867 ibs. (CO410B)
©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.
CM2927
THE PARTS OF THESE CO ALARMS
1. Open door here 5. (Behind Cover) Alarm Horn
2. Test/Silence button 6. Peak Level Button (CO410B only)
3. POWER/ALARM Light 7. Digital Display (CO410B only)
4. AA Battery Compartment
Alarm Dimensions: 3.3”H x 4.8"L x 1.5"D
Weight: 5.5 oz. (CO400B)
6.2 oz. (CO410B)
Operating Voltage: Two 1.5V AA Alkaline Batteries
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 CO conditions, causing the unit to
alarm or temporarily silence the alarm
Alarm Reset: Automatic when explosive gas and/or CO clears
CO Sensor: Electrochemical
Indicator Lights/Sounds:
DC Power: Intermittent red Light
CO Alarm: Audio Alarm (4 beeps, pause, 4 beeps), rapidly
flashing red light
Digital Display: (CO410B only) Displays battery level, CO levels in parts per
million (PPM), Peak CO level
Listing: Listed to UL 2034 Standard
CAT. CO400B/CO410B
CO
TOP VIEW SIDE VIEW BACK VIEW
4.8"
CO400B
3.3"
3.3"
1.5"
CO410B
4.8" 1.5"
2
3
4
1
5
6
3
4
21
5
7
CO400B CO410B