소개
The Kidde SMACFEX (Model 21033081) is a premium 120V hardwired smoke alarm with battery backup, designed to provide continuous protection against fast-flaming fires. This manual provides essential information for the proper installation, operation, and maintenance of your smoke alarm to ensure optimal performance and safety.

앞쪽 view of the Kidde SMACFEX 120V Hardwired Smoke Alarm, highlighting the test/hush button and LED indicators.
안전 정보
Please read and understand all instructions before installing and operating your smoke alarm. Failure to do so may result in improper operation and void the warranty. This device is designed to detect smoke; it cannot prevent a fire. Regular testing and maintenance are crucial.
- 경보기를 칠하지 마세요.
- 경보기의 통풍구를 막지 마십시오.
- 매주 알람을 테스트하십시오.
- Replace the battery annually or when the low battery warning sounds.
패키지 내용
설치를 시작하기 전에 모든 항목이 있는지 확인하세요.
- Kidde SMACFEX 120V Hardwired Smoke Alarm Unit
- 장착 브래킷
- 배선 마구
- 9V Battery (pre-installed or included)
- 장착 나사 및 벽 앵커
설정 및 설치
This smoke alarm is designed for hardwired installation into a 120V AC circuit, with a 9V battery for backup power during outages. Installation should be performed by a qualified electrician or in accordance with local electrical codes.
위치 선택
Install smoke alarms on every level of your home, inside each sleeping area, and in the hallway outside each sleeping area. Avoid installing in kitchens, bathrooms, or garages where steam, cooking fumes, or exhaust can cause nuisance alarms.
배선 지침
- 전원 끄기: Before beginning, ensure the power to the circuit you are working on is turned off at the main fuse or circuit breaker panel.
- Connect wiring harness: Connect the smoke alarm's wiring harness to your household wiring. Match the black wire to the hot wire, the white wire to the neutral wire, and the red wire (if present) to the interconnect wire for multi-alarm systems.
- 안전한 장착 브래킷: 제공된 나사를 사용하여 전기 상자에 장착 브래킷을 부착합니다.

The mounting bracket and the smoke alarm unit, ready for installation.
- 배터리 설치: Open the front-load battery door and insert the 9V battery, ensuring correct polarity. Close the battery door.
- Attach alarm to bracket: Align the alarm with the mounting bracket and twist clockwise until it clicks securely into place.

A person installing the Kidde smoke alarm on a ceiling using the easy twist-and-click mounting bracket.
- 전원 복구: Turn the power back on at the main fuse or circuit breaker panel. The green LED should illuminate, indicating AC power.
- 알람 테스트: Press and hold the Test/Hush button until the alarm sounds. This confirms proper operation.
작동 지침
LED 표시등
The smoke alarm features LED indicators to provide visual status updates:
- 녹색 LED : Indicates AC power is present and the unit is operating normally.
- 황색 LED: Indicates a fault or error condition. Refer to the troubleshooting section.
- 적색 LED : Flashes during an alarm condition (smoke detected).

Visual representation of the LED indicators for different alarm statuses.
테스트/허쉬 버튼
- 시험: Press and hold the button for a few seconds until the alarm sounds. Release the button. The alarm should stop sounding. Test weekly.
- 쉿: If a nuisance alarm occurs (e.g., from cooking smoke), press the button to temporarily silence the alarm for approximately 10 minutes. The alarm will automatically reset after this period if the smoke has cleared.
상호 연결성
This alarm can connect with up to 24 compatible Kidde devices (smoke, CO, and heat alarms). When one interconnected alarm sounds, all connected alarms will sound, providing an early warning throughout your home.

Illustration of interconnected alarms sounding simultaneously across different rooms.
Reduced Nuisance Alarms
The advanced ionization sensor is designed to quickly detect fast-flaming fires while also helping to reduce nuisance alarms often caused by everyday activities like cooking or steam.

The alarm's ability to reduce false alarms from common household activities like toasting.
유지
배터리 교체
The 9V battery provides backup power during outages. Replace the battery annually or immediately when the alarm chirps approximately once every 30-40 seconds, indicating a low battery. The front-load battery door allows for easy replacement without removing the unit from the ceiling.
알람 청소
Clean your smoke alarm at least once a month. Use a soft brush or a vacuum cleaner with a soft brush attachment to remove dust and debris from the alarm's vents. Do not use cleaning solvents or spray directly onto the alarm.
Testing Your Alarm
Test your smoke alarm weekly by pressing and holding the Test/Hush button until the alarm sounds. This ensures the alarm's electronics, battery, and horn are working correctly.
문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 30~40초마다 알람이 울립니다. | 배터리 부족 | 9V 배터리를 교체하십시오. |
| Alarm sounds intermittently or for no apparent reason | 오작동 경보 (증기, 조리 연기, 먼지) | Press the Hush button. Clean the alarm. Relocate if nuisance alarms persist. |
| Alarm does not sound when tested | 전원이 들어오지 않거나, 배터리가 방전되었거나, 기기에 결함이 있습니다. | Check AC power. Replace battery. If still not working, replace the unit. |
| Amber LED is on or flashing | Fault or error condition | Clean the alarm. If the fault persists, replace the unit. |
명세서
| 특징 | 세부 사항 |
|---|---|
| 모델 번호 | 21033081 |
| 전원 | 120V AC, 60Hz with 9V Battery Backup |
| 센서 유형 | 이온화 |
| 상호 연결 | Up to 24 Kidde devices |
| 치수 | 가로 5인치 x 세로 5인치 x 깊이 2인치 (대략) |
| 무게 | 0.86파운드(약 13.8온스) |
| 색상 | 하얀색 |
| 재료 | 플라스틱 |
| 작동 온도 | 화씨 40도(섭씨 4.4도) ~ 화씨 100도(섭씨 37.8도) |
| 습도 범위 | 상대습도 10~95%, 비응축 |
보증 및 지원
Kidde smoke alarms are designed for years of reliable service. For specific warranty details, please refer to the documentation included with your product packaging or visit the official Kidde website. For technical support or further assistance, please contact Kidde customer service.
You can visit the official Kidde store on Amazon for more products and information: Kidde Store





