White:
Neutral line
Black:
Power line
Bare copper
Red/orange/yellow:
Interconnect
11
10
9. Attach the Nest 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. There is no need for the
red/orange/yellow wire. Cap it with a wire nut.
10. Install Nest Protect backplate
Screw the backplate to the existing electrical
box, reusing the existing screws. (Alternately,
you can screw the plate directly into the wall
or ceiling with the Nest screws.)
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 and follow the spoken
instructions to test. Your Nest Protect will run a
test and tell you when it’s done.
3/8”
The exposed wire
should be straight.
8. Remove the old connector
Unscrew the wire
nuts to detach the
120V connector
from your old
smoke alarm.
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