First Alert AC10-500 User manual

Wi-Fi® Smoke + Carbon Monoxide Alarm
User’s Manual Model: AC10-500
Important! Please read carefully and save this document.
This user’s manual contains important information about your combination Smoke and CO Alarm’s operation. If you
are installing this alarm for use by others, you must leave this manual (or a copy of it) with the end user.
Installed on
Replace by

2
Table of Contents
Welcome 3
Parts of this Alarm 4
Understanding Your Alarm 5
Where to Install 6 - 7
Where Not to Install 8
Set-Up and Installation 9 - 11
Installation of Adapter Plug 11 - 16
Wireless Interconnect 16 - 17
When the Alarm Sounds 17 - 18
Using the Silence Feature 18
Weekly Testing 19
Regular Maintenance 19
Alarm End of Life 20
Ionization and Photoelectric Technology 20
Fire Safety Tips 21
What You Need to Know About CO 22
Potential Sources of CO in the Home 23 - 24
Regulatory Information 25 - 27
Special Compliance 28 - 30
General Limitations 31 - 32
Troubleshooting Guide 33
Limited Warranty 34
Copyright and Technical Specifications 35

3
Welcome
Thank you for choosing First Alert for your safety needs. In addition to the alarm
sounds, you can receive notifications in case of an emergency to help provide a
warning of a fire or carbon monoxide leak while you are home or away. Please take
time to read this manual and make this alarm an integral part of your family’s safety
plan. Visit www.firstalert.com for additional information.
Contents
Smoke and
CO Alarm
Mounting
Bracket
Power Connector/
Adapter Plugs
User’s
Manual
System Requirements
Onelink App
Search and Download
Onelink app from
the App store
Wi-Fi Network
For best results,
recommended to use
with a 802.11 b/g/n router.
iOS Device
HomeKit™ requires an iPhone®, iPad®,
or iPod touch® with iOS 9 or later.
*Not compatible with Android®.
Valid Email
Account

4
Parts of this Alarm
1 Test/Silence Button
2 Color Indicator Ring
3 Speaker
1
2
3
8 Mounting Bracket
9 Mounting Slots
10 Turn Alarm Clockwise to Attach
11 Turn Alarm Counterclockwise
to Remove
8
11
10
9
4 Hot (black) AC Wire
5 Neutral (white) AC Wire
6 Interconnect (orange) AC Wire
7 Quick Connect Power Connector
4
5
6
7

5
Understanding Your Alarm
LED Color
Patterns Smoke / CO Events Voice Guide
Power Up and Welcome
Power Up
“First Alert welcomes you to your Onelink Smoke and Carbon
Monoxide Alarm. The Onelink App will guide you through the
simple setup process.”
Programming, Silencing & Pairing [voice complete]
Testing “The testing is complete. The test is done and you are protected.”
Emergency [voice complete]
Programming, Silencing & Pairing
“[Location, example: “Hallway”] Location Programmed.”
“Alarm silence. Detector Remains Active.”
“Alarm setup has been complete. Nice Work!”
Testing
“Testing Alarms... The alarm will sound and for your protection is
very loud. This may take a few seconds.”
“Highest carbon monoxide level was 0 PPM.”
Emergency “Highest carbon monoxide level was [Number] PPM.”
Testing
“Testing Smoke” [beep beep beep!]
“Testing Carbon Monoxide” [beep beep beep beep!]
“Evacuate, Evacuate, there’s Fire in the [Location]!”
Emergency “Warning! Evacuate! There is Smoke [or Carbon Monoxide] in the
[Location!] Evacuate!”
Malfunction “Detector error. Please see manual or call customer service.”
White
Power Indicator and Night Light N/A

6
Where to Install
Minimum coverage for Smoke Alarms, as recommended by the National Fire Protection Association (NFPA),
is one Smoke Alarm on every floor, in every sleeping area, and in every bedroom (See “Regulatory Information
For Smoke Alarms” for details on the NFPA recommendations). For CO Alarms, the National Fire Protection
Association (NFPA) recommends that a CO Alarm should be centrally located outside of each separate sleeping
area in the immediate vicinity of the bedrooms. For added protection, install additional CO Alarms in each
separate bedroom, and on every level of your home.
NOTE: For added protection, install an additional Smoke/CO Alarm at least 15 feet (4.6 meters) away from the
furnace or fuel burning heat source where possible. In smaller homes or in manufactured homes where this
distance cannot be maintained, install the Alarm as far away as possible from the furnace or other fuel burning
source. Installing the Alarm closer than 15 feet (4.6 meters) will not harm the Alarm, but may increase the
frequency of unwanted alarms.
In general, install combination Smoke and Carbon Monoxide Alarms:
• On every level of your home, including finished attics and basements.
• Inside every bedroom, especially if people sleep with the door partly or completely closed.
• In the hall near every sleeping area. If your home has multiple sleeping areas, install a unit in each.
If a hall is more than 40 feet (12 meters) long, install a unit at each end.
• At the top of first-to-second floor stairs.
• At the bottom of the basement stairs.
• For additional coverage, install Alarms in all rooms, halls, and storage areas, where temperatures normally
remain between 40˚ F and 100˚ F (4.4˚ C and 37.8˚ C).
Recommended Placement
• When installing on the wall, the top edge of Smoke Alarms should be placed between
4 inches (102 mm) and 6 inches (153 mm) from the wall/ceiling line.
• When installing on the ceiling, place the alarm as close to the center as possible.
• In either case, install at least 4 inches (102 mm) from where the wall and ceiling meet.
• See Avoiding “Dead Air” Spaces for more information.
NOTE: For any location, make sure no door or other obstruction could keep carbon monoxide or smoke from
reaching the Alarm.
Installing Smoke/CO Alarms in Mobile Homes
For minimum security install one Smoke/CO Alarm as close to each sleeping area as possible. For more
security, put one unit in each room. Many older mobile homes (especially those built before 1978) have little
or no insulation. If your mobile home is not well insulated, or if you are unsure of the amount of insulation, it is
important to install units on inside walls only.

7
Where to Install (Continued)
SPEAKER OPENING
IN UPPER LEFT
CORNER
PLACE HERE
OR HERE
DO NOT PLACE
IN THIS AREA
4”
(102 mm)
minimum
between 4”- 6”
(102 mm - 153 mm)
from ceiling
CEILING
WALL

8
Where Not to Install
Do NOT locate this Smoke/CO Alarm:
• In garages, furnace rooms, crawl spaces and unfinished attics. Avoid extremely dusty, dirty or greasy areas.
• Where combustion particles are produced. Combustion particles form when something burns. Areas to avoid
include poorly ventilated kitchens, garages, and furnace rooms. Keep units at least 20 feet (6 meters) from the
sources of combustion particles (stove, furnace, water heater, space heater) if possible. In areas where a 20
foot (6 meter) distance is not possible – in modular, mobile, or smaller homes, for example – it is
recommended the Smoke Alarm be placed as far from these fuel-burning sources as possible. The placement
recommendations are intended to keep these Alarms at a reasonable distance from a fuel-burning source,
and thus reduce “unwanted” alarms. Unwanted alarms can occur if a Smoke Alarm is placed directly next to a
fuel-burning source. Ventilate these areas as much as possible.
• Within 5 feet (1.5 meters) of any cooking appliance. In air streams near kitchens. Air currents can draw cooking
smoke into the smoke sensor and cause unwanted alarms.
• In extremely humid areas. This Alarm should be at least 10 feet (3 meters) from a shower, sauna, humidifier,
vaporizer, dishwasher, laundry room, utility room, or other source of high humidity.
• In direct sunlight.
• In turbulent air, near ceiling fans or open windows. Blowing air may prevent CO/smoke from reaching the
sensors.
• In areas where temperature is colder than 40˚ F (4.4˚C) or hotter than 100˚ F (37.8˚C). These areas include
non air conditioned crawl spaces, unfinished attics, uninsulated or poorly insulated ceilings, porches, and
garages.
• In insect infested areas. Insects can clog the openings to sensing chamber.
• Less than 12 inches (305 mm) away from fluorescent lights. Electrical “noise” can interfere with the sensor.
• In “dead air” spaces. See below for additional information.
Installing Smoke/CO Alarms in Mobile Homes
“Dead air” spaces may prevent smoke from reaching the Smoke/CO Alarm. To avoid dead air spaces, follow
installation recommendations below.
• On ceilings, install Smoke/CO Alarms as close to the center of the ceiling as possible. If this is not possible,
install the Smoke/CO Alarm at least 4 inches (102 mm) from the wall or corner.
• For wall mounting (if allowed by building codes), the top edge of Smoke/CO Alarms should be placed
between 4 inches (102 mm) and 12 inches (305 mm) from the wall/ceiling line, below typical “dead air” spaces.
• On a peaked, gabled, or cathedral ceiling, install first Smoke/CO Alarm within 3 feet (0.9 meters) of the peak
of the ceiling, measured horizontally. Additional Smoke/CO Alarms may be required depending on the length,
angle, etc. of the ceiling’s slope. Refer to NFPA 72 for details on requirements for sloped or peaked ceilings.

9
Set-Up & Installation
DANGER: ELECTRICAL SHOCK HAZARD. Turn off power to the area where you
will install this unit at the circuit breaker or fuse box before beginning installation.
Failure to turn off the power before installation may result in serious electrical
shock, injury or death.
~
IMPORTANT: The top edge of the Alarm MUST be between 4 and 6 inches down
from the ceiling. When wall mounting, it is suggested that the speaker opening is
in the upper left corner, as indicated by the illustration below.
!
Tools you will need:
• Needle-nose pliers or utility knife
• Standard phillips screwdriver
• Wire strippers
Ensure the iOS software is updated to iOS 9 and download
the Onelink App from the App Store.
Step 1 Download the free Onelink app from the App
Store and follow set-up instructions.
Step 2 Attach the mounting bracket to the junction box.
Step 3 Using wire nuts, connect the power connector to
the household wiring.
If any unit in the series does not alarm with the test button,
TURN OFF POWER and recheck connections. If it does not
alarm with the test button when you restore power, replace
it immediately.
Improper wiring of the power connector or the wiring leading to the power connector will cause damage to the
Alarm and may lead to a non-functioning Alarm.
6
7
8
4
3
1
5
4
3
1
5
2
AB
}}
1. Smoke/CO Alarm
2. Ceiling or Wall
3. Power Connector
4. Wire Nut
5. Junction Box
6. Neutral Wire (white)
7. Interconnect Wire (orange)
8. Hot Wire (black)
Speaker
Opening

10
Set-Up & Installation (Continued)
Interconnected units must meet ALL of the following requirements:
• A maximum of 18 compatible units may be interconnected (Maximum of 12 Smoke Alarms).
• The same fuse or circuit breaker must power all interconnected units.
• The total length of wire interconnecting the units should be less than 1000 feet (300 meters). This type of
wire is commonly available at Hardware and Electrical Supply stores.
• All wiring must conform to all local electrical codes and NFPA 70 (NEC). Refer to NFPA 72, NFPA 101, and/or
your local building code for further connection requirements.
Stand-Alone Alarm Only:
• Connect the white wire on the power connector to the neutral wire in the junction box.
• Connect the black wire on the power connector to the hot wire in the junction box.
• Tuck the orange wire inside the junction box. It is used for interconnect only.
Interconnect Units Only:
Strip off about 1/2” (12 mm) of the plastic coating on the orange wire on the power connector.
• Connect the white wire on the power connector to the neutral wire in the junction box.
• Connect the black wire on the power connector to the hot wire in the junction box.
• Connect the orange wire on the power connector to the interconnect wire in the junction box. Repeat for
each unit you are interconnecting. Never connect the hot or neutral wires in the junction box to the orange
interconnect wire. Never cross hot and neutral wires between Alarms.
WARNING: Improper wiring of the power connector or the wiring leading to the power
connector will cause damage to the Alarm and may lead to a non-functioning Alarm.
!
If you need to remove the power connector, turn POWER OFF first. Insert a flat screwdriver blade between the power
connector and the security tab inside the power input block. Gently pry back the tab and pull the connector free.
Step 4 Plug the power connector into the back of the alarm.
Step 5 Position the base of the Alarm over the mounting bracket, and turn the alarm clockwise(right) until the
unit is in its place. This activates the battery back-up. Once unit is activated, it can not be turned off.
NOTE: After you activate the Alarm, the Color Indicator Ring will power up and the Alarm will welcome you. To
program your alarm, follow the instructions provided in the Onelink app.
!
WARNING: iOS device notifications require a functional Wi-Fi connection. For best results,
recommended to use with a 802.11 b/g/n router. The notifications are only as reliable as your
Wi-Fi network and are not a substitute for a third party emergency monitoring service.