Old thermostat
C
D
R
Remove old thermostat
5. Mount thermostat
sub-base onto the wall
Option Two:
mount on horizontal
electrical box
Option One:
standard mounting holes
(use dry wall anchors if
needed)
Record which wires used for
each terminal. These wires will
connect to the same terminals
at the PEARL.
6. Connect 3 unique
wires to D, C, and R
terminals
Line up the three pin male
connector on the thermostat
faceplate’s electrical board with
the three pin female connector
on the thermostat sub-base.
Gently press the thermostat
front plate onto the mounted
sub-base.
7. Attach thermostat
faceplate
C
D
R
4
