Kidde 900-CUDR - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features

The Kidde Model 900-CUDR is a combination photoelectric smoke and carbon monoxide (CO) alarm designed for residential use. This multi-criteria device detects both smoke and carbon monoxide from any source of combustion. It is not designed for use in recreational vehicles (RVs) or boats.

Function Description:

The alarm provides early warning of smoke and carbon monoxide presence in a residential environment. It features distinct visual and audible indicators for smoke alarms, CO alarms, and various fault conditions. The unit is equipped with HUSH™ technology to temporarily silence nuisance alarms and includes self-testing features to ensure proper operation.

Important Technical Specifications:

Power Source: Two replaceable AA batteries.
Smoke Sensor: Photoelectric.
CO Sensor: Electrochemical.
Temperature Operating Range: 40°F (4.4°C) to 100°F (37.8°C).
Humidity Operating Range: 10-95% RH non-condensing.
Audible Alarm: 85+ dB at 10 feet, 3.0 to 3.5 KHz pulsing alarm.
End of Unit Life: The unit automatically alerts users to replace it ten years after installation. A label is provided to record the install and replace-by dates.
Certifications: UL Listed.

Usage Features:

Smoke Alarm Indication: Three long beeps, a 1.5-second pause, and three long beeps repeating. The red LED blinks in time with the alarm pattern.
Carbon Monoxide Alarm Indication: Four quick beeps repeating every 5 seconds. The red LED blinks in time with the alarm pattern. After 4 minutes in CO alarm, the pattern occurs every 60 seconds.
HUSH™ Mode (Smoke Alarm): Allows temporary silencing of nuisance smoke alarms for 8-10 minutes by pressing the button. The red LED blinks every 2 seconds during Hush™ mode. Dense smoke will override this feature.
CO Alarm Reset: Pressing the button during a CO alarm stops the alarm pattern. If the unit re-alarms within 6 minutes, it indicates high CO levels.
Alarm Memory: The unit retains memory of smoke or CO alarm events (100ppm CO or greater) for 24 hours. Smoke alarm memory is indicated by a red LED blinking every 15 seconds. CO alarm memory is indicated by two red LED blinks every 15 seconds. Pressing the button clears the alarm memory.
Test Function: Weekly manual testing is recommended by pressing and releasing the button. A quick beep confirms the button press, followed by a test sequence including a single beep, then 3 long beeps, pause, 3 long beeps, 4 quick beeps, pause, and 4 quick beeps. The red LED blinks in time with the alarm pattern during the test.
Self-Testing: Equipped with internal self-testing components that continuously check for proper device operation. A fault signal is generated if the device is not operating as expected.
Low Battery Warning: Indicated by an amber LED blinking every 60 seconds and a chirp every 60 seconds. This can be silenced for 24 hours by pressing the button (not possible 7 days after warning begins). Batteries must be replaced within 7 days of the first warning.
End of Unit Life Warning: Indicated by an amber LED blinking 2 times every 60 seconds and 2 chirps every 60 seconds. This can be silenced for 24 hours by pressing the button (not possible 7 days after warning begins). The unit must be replaced.
Fault Indications:
- Photo Fault: Amber LED blinks every 60 seconds, 3 chirps every 60 seconds.
- CO Fault: Amber LED blinks 2 times every 60 seconds, 3 chirps every 60 seconds.
- Memory Fault: Amber LED blinks 3 times every 60 seconds, 3 chirps every 60 seconds.
- MCU Failure: Constant tone, no visual indication.
- Stuck Button: Amber LED blinks 4 times every 60 seconds, 3 chirps every 60 seconds.
Installation: Designed for wall or ceiling surface mount only. Not for recessed mounting. The mounting bracket includes "A" line alignment marks for aesthetic installation.
CO Safety Labels: Two labels are provided with important information on what to do in case of a CO alarm, to be placed near the alarm and a fresh air source.

Maintenance Features:

Battery Replacement: Uses two replaceable AA batteries (Energizer E91, Gold Peak 15A, or Golden Power GLR6A). Lithium batteries should not be used. Batteries should be replaced at least once a year.
Cleaning: The alarm should be cleaned at least once a year. The interior (sensing chamber) can be cleaned using compressed air or a vacuum cleaner hose. The exterior can be wiped with a damp cloth (water only).
Avoidance of Damage:
- Do not use detergents or other solvents for cleaning.
- Avoid spraying air freshener, hair spray, or other aerosols near the alarm.
- Do not use a hair dryer to clean the alarm.
- Do not paint the unit.
- Never attempt to disassemble the unit.
- Move the alarm or store it in a plastic bag during activities like staining, painting, wallpapering, or using adhesives to protect sensors from damage. Ensure the area is well ventilated when using household cleaning supplies.