Nest S2001BW Smoke Alarm Operation Manual

The Nest S2001BW (Nest Protect, White) is a smart smoke and carbon monoxide alarm with multi-sensor detection, providing clear voice alerts, wireless interconnect, and app-based notifications for family safety. It features photoelectric smoke sensing, electrochemical CO detection, and humidity sensing to reduce false alarms. Supports 120V wired installation with battery backup. Below are the key specifications and operation instructions.

1. Key Specifications 2. Operation Instructions 2.1. Initial Setup 2.2. Setting the Clock and Day 2.3. Operating in Non-Programmable Mode 2.4. Operating in Programmable Mode 2.5. Advanced Features 2.6. Troubleshooting 3. Installation Instructions 3.1. Remove Old Alarm 3.2. Installing New Alarm 3.3. Battery Location 3.4. Wiring and Configuration

Key Specifications

Type: Smart photoelectric smoke and electrochemical CO alarm with wireless interconnect
Compatibility:
- 120V AC hardwired with 3 AA battery backup
- Wireless interconnect with other Nest Protects (up to 50 ft indoor range)
- Wi-Fi 802.11b/g/n (2.4 GHz) for app integration
- Not compatible with legacy alarms
Power Source:
- 120V AC ~ 60 Hz; Backup: 3 AA lithium batteries (Energizer Ultimate recommended)
- Battery life: Up to 5 years in backup mode
Electrical Rating:
- UL 217 (smoke), UL 2034 (CO) certified
- Interconnect: Up to 24 units
Temperature Range: Operating: 40°F to 100°F (4°C to 38°C); Storage: -4°F to 158°F (-20°C to 70°C)
Operating Conditions:
- Humidity: 20% to 85% RH non-condensing
- Indoor use only; 7-year limited warranty
Dimensions: 5.3" diameter x 1.6" depth; Weight: 12.8 oz (without batteries)
Features:
- Voice alerts with customizable room names
- Pathlight for low-light guidance
- Heads-Up early warning for rising hazards
- Humidity sensor to minimize false alarms
- Self-test and end-of-life alerts
Alarm Configuration Options:
- Single/ multi-alarm networks
- App-based emergency contact setup

Operation Instructions

Initial Setup

1. Install Unit: Follow Section 3 for wiring and mounting.
2. Download App: Install Nest app, create account.
3. Configure System:

Scan QR code on unit, connect to Wi-Fi.
Name the room and add to home network.
Test by pressing center button; all units should respond.

Setting the Clock and Day

1. Clock syncs automatically via Wi-Fi.
2. Manual via app: Settings > Device > Time Zone.
3. Adjust for 12/24-hour format and DST.
4. Used for timed alerts and maintenance reminders.

Operating in Non-Programmable Mode

1. Monitoring Mode: Continuous 24/7 detection.
2. Alert Response: Listen for voice announcements (e.g., "Smoke in kitchen").
3. Hush: Press center button to silence non-emergency alerts.
4. Test: Press button twice monthly; app confirms results.

Operating in Programmable Mode

1. Default Operation: Auto-detection with self-tests.
2. Custom Configuration:

App: Set notifications for smoke, CO, low battery.
Schedule self-tests and Pathlight on/off times.
Link to emergency services or family contacts.

3. Temporary Silence: Hush via app or button.
4. Permanent Settings: Adjust sensitivity in app (if available).
5. Disable Features: Turn off Wi-Fi in app for standalone use.

Advanced Features

1. Heads-Up: App push for early hazard detection.
2. Pathlight: Soft LED for nighttime visibility.
3. Smart Silence: Hush from phone if safe.
4. Emergency Roll Call: App confirms all alarms active.
5. Integration: Works with Nest Cam for video verification.

Troubleshooting

Chirping: Replace batteries or check Wi-Fi.
No Alert: Test unit; ensure interconnect if multiple.
False Alarms: Clean sensors, adjust humidity in app.
App Not Connecting: Restart Wi-Fi, re-scan QR.

Installation Instructions

Warning: Turn off power at breaker. Install on ceilings per NFPA 72; one on every level, in bedrooms/halls.

Remove Old Alarm

Turn off circuit breaker.
Twist off alarm, disconnect wires.
Remove mounting bracket if needed.

Installing New Alarm

Connect wires: Black to black, white to white, interconnect (red) if available.
Secure backplate to junction box with screws.
Plug connector into alarm unit.
Twist unit onto backplate until locked.
Restore power, test immediately.

Battery Location

3 AA batteries in rear pull-out tray.
Insert positive (+) end first; replace every 5 years or on alert.

Wiring and Configuration

Standard 120V AC; interconnect optional for multi-unit.

Wire Color	Description
Black	Hot (120V)
White	Neutral
Yellow/Red/Orange	Interconnect
Bare Copper	Ground

Caution: Cap unused interconnect; configure network in app.