4
5
Heating system is on
Fan setting
Fan is activated
Room temperature
Reminder to
change batteries
Desired
temperature
setting
Schedule period
Current day of the week
Current time
Indicate which
mode the
system is in
Cooling system is on
This thermostat is compatible with
the following systems:
• Gas, oil or electric furnace
• Central air conditioner
• 2 wire hot water system with or without pump
• Millivolt system
• Central heating and cooling system
• Heat pump without auxiliary/backup heat
Tools Required For Installation
• Phillips screwdriver
• Wire cutters/strippers
• Drill with 3/16" (4.8 mm) drill bit
• Level
BEFORE YOU BEGIN
DISPLAY SCREEN
This thermostat is not compatible with
base board heaters (or other line voltage
heating), multi-stage heating or cooling
systems, or 3-wire hydronic systems.