Instructions / Assembly
* Two transformer systems (separate RC and RH wires),
clip internal jumper located on back of Sensi above
battery compartment.
** Label B as C only if the old thermostat als had a wire in O.
If there is no wire on O-label the wire B.
*** On heat pump sustem with separate W2 and E wires, label
both wire W/E (2 wire in one terminal)
L, F
X, C
wall
wall
wall
wall
wall
wall
wall
G
R, 5, R5, RC, or RH
W, 4, W1
W2 W-U
Y, Y1
Y2
O, B, O/B
W2
Y L
CY2/*W/E O/B
wall
wall
wall
wall
wall
wall
wall
wall
wall
wall
wall
G
RC
Old thermostat
Sensi
™
thermostat
REMOVE EXISTING BASE
Using a screwdriver, remove the thermostat base
from the wall.
TIP: Wrap your wires around a pencil to keep them from
falling back into the wall.
Remove Old Thermostat Base
W/E
Y
C
G
17
16