User's Manual

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9. Attach the 120V connector
Just match the wires - white to white and
black to black. Press the wires together, cap
them with a wire nut and twist clockwise.
Tighten until it is secured. Nest Protect
interconnects wirelessly. There is no need
for the red/orange/yellow wire. Cap it with
a wire nut.
10. Install backplate
Screw the backplate to the wall or ceiling
using the included screws. You can use
two or four screws in any open slot on the
backplate. Make sure the backplate is
squared-up with the wall.
Refer to the diagrams on pages 6 and 7 for
proper placement of your Nest Protect.
11. Connect power
Plug the 120V connector into the back of
your Nest Protect.
12. Mount your Nest Protect
First, tuck any excess wiring into the
electrical box and line up Nest Protect
with the backplate.
Second, give it a slight twist clockwise.
It’ll CLICK into place.
13. Switch power back on or replace
the fuse
Breaker box
15. Have more smoke alarms?
Repeat steps 1-14 to install more Nest Protects.
The Nest app will help you connect them to
Wi-Fi and add them to your Nest Account.
Test that all your Nest Protects are
wirelessly connected by pushing the Nest
button twice on one Nest Protect. If they’re
connected, every Nest Protect in the house
will speak up. Walk to each one to make
sure you hear them talking.
14. Press to test
Press the Nest button. Your Nest
Protect will run a test and tell you when
it’s done.
Black:
Power line
Bare copper
Red/orange/yellow:
Interconnect
White:
Neutral line
8. Prepare the wires
Unscrew the wire
nuts to detach the
electrical connection
from your old smoke
alarm.
Make sure the
exposed wires
coming out of the
ceiling are clean
and straight.
3/8”
The exposed wire should be straight.
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