1. 서론
This user manual provides comprehensive instructions for the installation, operation, and maintenance of your Meross CS11 Combo Smoke and Carbon Monoxide Alarm. Please read this manual thoroughly before installation and keep it for future reference. This device is designed to detect both smoke and carbon monoxide (CO) to enhance your home safety.
The Meross CS11 alarm complies with European standards EN 14604 for smoke alarms and EN 50291 for carbon monoxide alarms.
2. 제품 특징
- 듀얼 센서 기술: Combines a photoelectric smoke sensor and an electrochemical carbon monoxide sensor for comprehensive protection.
- 10년 배터리 수명: Equipped with a sealed 3V lithium battery designed to last for 10 years, providing continuous protection without battery replacement.
- 큰 소리 85dB 알람: Emits a powerful 85-decibel alarm at 3 meters to alert occupants effectively in case of an emergency.
- 테스트/침묵 버튼: 경보 장치의 작동 여부를 쉽게 테스트하고 오경보를 차단할 수 있습니다.
- Tri-Color LED Indicator: Provides clear visual status indications for normal operation (green), fault/low battery/end-of-life (amber), and alarm/test/silence (red).
- Automatic Self-Verification: The device performs regular self-checks to ensure proper functioning.
- 간편한 설치: Comes with a mounting bracket and screws for quick and simple ceiling or wall installation.
- Wide Detection Area: Detects carbon monoxide over an area of up to 40 square meters.
3. 패키지 내용
포장을 풀 때 아래 나열된 모든 품목이 들어 있고 상태가 양호한지 확인하세요.
- 1 x Meross CS11 Combo Smoke and Carbon Monoxide Alarm
- 1 x 장착 브래킷
- 2 x 나사
- 1 x 사용자 설명서
4. 안전 정보
Please read and understand all safety instructions before installing and operating the alarm. Failure to follow these instructions may result in property damage, injury, or death.
- 이 알람은 실내에서만 사용하도록 설계되었습니다.
- Do not paint the alarm. Paint can clog the sensor openings and interfere with the alarm's ability to detect smoke or CO.
- 습도가 높거나, 온도가 극한이거나, 먼지가 심한 곳에는 설치하지 마세요.
- Test the alarm monthly and after any battery change or relocation.
- The 10-year battery is sealed and non-replaceable. Do not attempt to open the unit or replace the battery.
- This device is not intended to replace proper installation and maintenance of fuel-burning appliances, nor the ventilation systems of these appliances.
- Carbon monoxide is invisible, odorless, and tasteless. This alarm is designed to detect CO gas from any source of combustion.
5. 설정 및 설치
Proper placement and installation are crucial for the effective operation of your Meross CS11 alarm.
5.1 Recommended Locations
- Install at least one alarm on every level of your home, including basements.
- Place alarms in hallways outside of sleeping areas.
- For best CO detection, install an alarm in or near rooms where fuel-burning appliances are located.
- For best smoke detection, install in the center of the ceiling. If ceiling installation is not possible, install on a wall, at least 10-30 cm (4-12 inches) from the ceiling.
5.2 피해야 할 위치
- Within 1 meter (3 feet) of cooking appliances, heating vents, or ceiling fans.
- 먼지가 많거나, 더럽거나, 기름때가 심한 곳.
- 직사광선이 비치는 곳이나 극심한 온도 변화가 있는 곳.
- 욕실 등 습도가 높은 곳
5.3 설치 단계
- 장착 위치 준비: Choose a suitable location according to the guidelines above.
- 장착 브래킷 부착: Use the provided screws to securely attach the mounting bracket to the ceiling or wall.
- 경보기를 설치하세요: Align the alarm with the mounting bracket and twist clockwise until it clicks into place. The alarm will automatically activate upon proper installation.
- 알람 테스트: After installation, press and hold the Test/Silence button for a few seconds to ensure the alarm sounds. Refer to the "Operating Instructions" section for more details on testing.

Figure 5.3.1: Easy Installation of the Meross CS11 Alarm. The image depicts a person on a ladder installing the alarm on a ceiling, with an inset showing the mounting bracket and screws.
6. 사용 설명서
6.1 LED 표시등 상태

Figure 6.1.1: Tri-color LED Indication. This image illustrates the different LED colors and their corresponding alarm statuses.
- 녹색 LED : Flashes once every 60 seconds – Indicates normal operation (Standby).
- 황색 LED: Flashes once every 60 seconds with a chirp – Indicates a fault, low battery, or end-of-life.
- 적색 LED : Flashes rapidly with loud alarm – Indicates smoke or CO detection (Alarm).
- 적색 LED : Flashes during test or silence mode.
6.2 알람 테스트
It is recommended to test your alarm monthly to ensure it is functioning correctly.
- Press and hold the Test/Silence button located on the front of the alarm.
- The alarm will emit a series of loud beeps, and the red LED will flash. This indicates the alarm is working.
- Release the button. The alarm will return to normal operation.

Figure 6.2.1: Loud Buzzer Alarm. This image visually represents the 85dB alarm sound emitted by the device.
6.3 경보 해제
비상 상황이 아닌 경보(예: 조리 중 연기)가 울릴 경우, 경보음을 일시적으로 끌 수 있습니다.
- 테스트/무음 버튼을 한 번 누르세요.
- The alarm will enter a temporary silence period (typically 5-10 minutes). The red LED will continue to flash during this period.
- 무음 시간 이후에도 연기나 일산화탄소 농도가 높게 유지되면 경보가 다시 활성화됩니다.
Warning: Do not silence the alarm without first investigating the cause of the alarm. If the cause is unknown, evacuate the premises immediately.
7. 유지관리
Regular maintenance ensures the longevity and reliability of your Meross CS11 alarm.
- 월간 테스트: Test the alarm monthly using the Test/Silence button.
- 청소: Gently vacuum the alarm cover once a month using a soft brush attachment to remove dust and debris. Do not use cleaning agents or solvents.
- 배터리: The battery is sealed and designed for 10 years of operation. Do not attempt to replace it. When the battery is low or the unit reaches its end-of-life, the amber LED will flash with a chirp. Replace the entire unit.
8. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| Alarm chirps every 60 seconds (Amber LED). | Low battery, fault, or end-of-life. | The battery is sealed. If the alarm is chirping, it indicates the unit needs to be replaced. |
| 연기나 일산화탄소가 없는 상태에서 경보가 자주 울립니다. | False alarm due to cooking fumes, steam, dust, or improper placement. | 테스트/소음 제거 버튼을 누르십시오. 환경적 요인으로 인해 오작동이 계속되는 경우 경보기의 위치를 변경하십시오. 경보기를 청소하십시오. |
| 테스트 중에는 알람이 울리지 않습니다. | Unit not activated, battery depleted, or unit malfunction. | Ensure the alarm is properly mounted and activated. If it still doesn't work, the unit may be faulty and needs replacement. |
| Green LED not flashing. | Unit not activated or malfunction. | Ensure the alarm is properly mounted and activated. If the issue persists, the unit may be faulty and needs replacement. |
9. 사양
| 모델 번호 | CS11 |
| 전원 | Sealed 3V Lithium Battery (non-replaceable, 10-year life) |
| 센서 유형 | 광전(연기), 전기화학(CO) |
| 알람 음량 | ≥ 85 dB at 3 meters |
| CO 감지 범위 | 최대 40m² |
| 작동 온도 | 0°C ~ 40°C(32°F ~ 104°F) |
| 작동 습도 | ≤ 95% RH(비응축) |
| 치수(직경 x 높이) | 120mm x 28mm (약 4.72인치 x 1.1인치) |
| 무게 | 135그램(약 4.76온스) |
| 인증 | EN 14604:2005/AC:2008 (Smoke), EN 50291-1:2010 (CO) |
| 재료 | ABS |

Figure 9.1.1: Elegant and Compact Design with Component Overview. This image highlights the key external features and dimensions of the alarm.
10. 보증 정보
Specific warranty details are not provided in the product information. Please refer to the official Meross website or contact Meross customer support for detailed warranty terms and conditions applicable to your region.
11. 고객 지원
For technical assistance, troubleshooting, or general inquiries, please visit the official Meross support page or contact their customer service. Contact information can typically be found on the Meross web사이트 또는 제품 포장에 표시되어 있습니다.
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