4
Take a picture of your wiring and label
the wires using the included labels.
When ready, remove the old thermostat’s
mounting plate.
W1/O/B
W2
M1SC1
RS2
M1SC3
RS+5
RS1
RS GND
Y1
G
M1SC2
CK1
CK GND
R
C
W1/O/B
W2
M1SC1
RS2
M1SC3
RS+5
RS1
RS GND
Y1
G
M1SC2
CK1
CK GND
R
C