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REMOVE THE OLD THERMOSTAT
WARNING! E
lectrical Shock Hazard
1. Turn off power to the thermostat at the main service panel by removing the fuse or switching
the appropriate circuit breaker to the “OFF” position before removing the existing
thermostat.
2. Turn off power to the heating and cooling system by removing the fuse or switching the
appropriate circuit breaker to the “OFF” position.
3. Remove the cover of the old thermostat. This should expose the wires.
4. Label the wires from the existing thermostat using the enclosed wire markers and record in
the chart below before removing.
Thermostat
Terminals
Cable Wire Color
C
L
Y
AUX
E
O
B
G
R
5. Remove the wires from the wire terminals.
6. Remove the existing thermostat from the wall.
THERMOSTAT MOUNTING
Figure 3
A. Push button on the bottom of the
thermostat and gently pull front cover
straight off the base.
B. Use the mounting screws provided to mount the
thermostat base to the wall or junction box.
