First Alert SMCO100 Combination Smoke and Carbon Monoxide Alarm User Manual

1. Introduction and Overview

This manual provides essential information for the proper installation, operation, and maintenance of your First Alert SMCO100 Battery-Operated Combination Smoke and Carbon Monoxide Alarm. This device is designed to provide reliable 2-in-1 protection against both smoke and carbon monoxide, incorporating First Alert's Precision Detection advanced sensing technology.

Key features include:

• Precision Detection advanced sensing technology for early warning and reduced nuisance alarms.
• Dual protection against smoke and carbon monoxide.
• Battery-operated for easy installation and continuous operation during power outages.
• Convenient test/silence button for regular testing and temporary silencing of nuisance alarms.
• End-of-life warning to indicate when the unit needs replacement.

Figure 1: Front view of the First Alert SMCO100 Combination Smoke and Carbon Monoxide Alarm, highlighting the test/silence button and indicator lights for power, smoke, and CO.

2. Important Safety Information

Please read and understand all instructions before installing and operating this alarm. Keep this manual for future reference.

• This device is designed for residential use only.
• Regularly test the alarm as described in this manual.
• Never paint over the alarm. Paint can clog the sensing chambers and prevent the unit from operating properly.
• Do not operate without power. Ensure batteries are correctly installed and functional.
• Carbon monoxide alarms are not substitutes for smoke alarms. Smoke alarms are not substitutes for carbon monoxide alarms.
• Replace the alarm unit at least every 10 years from the date of manufacture.

3. Setup and Installation

The First Alert SMCO100 alarm is designed for easy installation. Follow these steps for proper setup:

1. Unpack the Unit: Carefully remove the alarm, mounting bracket, screws, and wall anchors from the packaging.
2. Battery Installation: Open the battery compartment. Insert the two included AA batteries, ensuring correct polarity (+ and -). Close the battery compartment securely.
3. Mounting Location: Choose a location on a ceiling or wall. For optimal protection, install alarms on every level of your home and in every bedroom. Avoid placing near windows, doors, or vents where drafts could interfere with detection. Refer to the recommended placement diagram below.
4. Attach Mounting Bracket: Position the mounting bracket on the chosen surface. Mark the locations for the two screw holes. Drill pilot holes if necessary, insert wall anchors, and then secure the mounting bracket with the provided screws.
5. Attach Alarm to Bracket: Align the alarm with the mounting bracket and twist clockwise until it locks securely into place.
6. Test the Alarm: Press and hold the Test/Silence button until the alarm sounds. This confirms the unit is functioning correctly.

Figure 2: The First Alert SMCO100 Combination Smoke and Carbon Monoxide Alarm shown with its mounting bracket, screws, wall anchors, and two AA batteries, illustrating the components required for installation.

Figure 3: The First Alert SMCO100 Combination Smoke and Carbon Monoxide Alarm is shown mounted on a white ceiling, demonstrating a typical installation.

Figure 4: A diagram illustrating optimal locations for smoke alarms, carbon monoxide alarms, and fire extinguishers across different levels and rooms of a house for comprehensive safety.

4. Operating Instructions

Once installed, your First Alert SMCO100 alarm operates continuously. Here's how to interact with it:

• Normal Operation: A green LED light will flash approximately once every 60 seconds to indicate that the alarm is receiving power and functioning correctly.
• Testing the Alarm: Press and hold the Test/Silence button for a few seconds. The alarm will sound a series of beeps, indicating that the smoke and CO sensing functions are working. Release the button to stop the test. Test your alarm weekly.
• Silencing Nuisance Alarms: If the alarm sounds due to non-emergency conditions (e.g., cooking smoke), press the Test/Silence button to temporarily silence it for several minutes. The alarm will automatically reset after the silence period if the condition has cleared.
• Alarm Indications:
  • Smoke Alarm: Three loud beeps followed by a pause, repeated. A red LED will flash rapidly.
  • Carbon Monoxide Alarm: Four loud beeps followed by a pause, repeated. A red LED will flash rapidly.
  • Low Battery Warning: A single chirp approximately every 60 seconds, accompanied by a yellow LED flash.
  • End-of-Life Warning: Two chirps approximately every 30 seconds, accompanied by a yellow LED flash. This indicates the unit needs to be replaced.

5. Maintenance

Proper maintenance ensures the long-term reliability of your alarm.

• Battery Replacement: When the alarm chirps once every 60 seconds, replace the batteries immediately. Use two fresh AA batteries. To access the battery compartment, twist the alarm counter-clockwise from its mounting bracket and open the battery door.
• Cleaning: Clean your alarm at least once a month. Use a soft brush or vacuum cleaner with a soft brush attachment to remove dust and debris from the vents. Do not use water, cleaners, or solvents.
• Regular Testing: Test your alarm weekly by pressing the Test/Silence button.
• Unit Replacement: The alarm has a 10-year lifespan. When the end-of-life warning sounds (two chirps every 30 seconds), replace the entire unit.

6. Troubleshooting

7. Specifications

• Model: SMCO100
• Power Source: 2 AA batteries (included)
• Sensor Type: Photoelectric (Smoke), Electrochemical (CO)
• Alarm Type: Smoke, Carbon Monoxide
• Dimensions: 5.6"D x 5.6"W x 1.9"H
• Item Weight: 8.2 ounces
• Color: White
• Manufacturer: Resideo
• UPC: 029054022066

8. Warranty and Support

This First Alert SMCO100 Combination Smoke and Carbon Monoxide Alarm comes with a 10-Year Limited Warranty. For detailed warranty information, please refer to the documentation included with your product or visit the official First Alert website.

For technical support, troubleshooting assistance, or to inquire about warranty claims, please contact First Alert Customer Service. Contact information can typically be found on the product packaging or the manufacturer's official website.