2.5 Set switch
Find a switch located in the lower right corner of the wallplate labeled
ELEC/GAS. Set it as follows:
• If you have either a gas or oil furnace, set the switch to GAS.
• If you do NOT have a gas or oil furnace, set the switch to ELEC.
2.6 Install batteries
Install 2 AA alkaline batteries (not included) into the battery
compartment at the top of the thermostat.
2.7 Snap thermostat to the wallplate
Do not restore power to the heating and cooling system
until instructed.
ELEC
C G O Y
ELEC
GAS
GAS
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Part 3 Quick Setup
3.1 Get to know your thermostat
Actual
Desired
Temperature
Temperature
Indicates system
currently providing
Heating (fl ame
icon) or Cooling
(snowfl ake icon)
Control buttons:
Fan Switch
TIME, PRGM, RUN, HOLD
On - fan always on for air circulation
Auto - fan runs only when system
provides Heating or Cooling
3.2 Set fan and system switches
1. Open the thermostat cover door.
2. Set the FAN switch to AUTO.
3. Set the SYSTEM switch to COOL (to turn on cooling) or HEAT (to
turn on heating).
4. Press RUN.
Temp Up/Down
Buttons
System Switch
Cool - air conditioning
Heat - heating
Off - system turned off
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