1
Install your thermostat
1.1 Switch OFF power to your
heating/cooling system
1.1a
Important!
To protect your
equipment, switch OFF the
power to your heating/
cooling system at the
breaker box or the system
switch.
1.1b Confirm power is OFF.
Try to turn on heating/
cooling equipment by
changing temperature
on your old thermostat.
Your power is OFF if your
system does not turn ON.
or
Circuit
Heating/cooling
breaker
system power
box
This thermostat works with common 24
volt systems such as forced air, hydronic,
heat pump, oil, gas, and electric. It will not
work with millivolt systems, such as a gas
fireplace, or with 120/240 volt systems such
as baseboard electric heat.
3
M31535
switch