INSTEON Thermostat with Humidity (2441TH) Quick Start - Manual (Page 5)

2
Remove your old thermostat. Some are
secured with screws, others tilt upwards.
W1/O/B W2
M1SC1
RS2
M1SC3
RS+5
RS1
RS GND
Y1
G
M1SC2
CK1
CK GND
R
C