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.
RH W | ELEC |
RC B |
|
C G O Y |
|
ELEC | GAS |
| |
| GAS |
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.
Part 3 Quick Setup
3.1 Get to know your thermostat
Actual | Desired | Temp Up/Down |
Temperature | Temperature | Buttons |
Indicates system 
currently providing
Heating (flame
icon) or Cooling (snowflake icon)
Control buttons: | Fan Switch | System Switch |
TIME, PRGM, RUN, HOLD | On - fan always on for air circulation | Cool - air conditioning |
| ||
| Auto - fan runs only when system | Heat - heating |
| provides Heating or Cooling | Off - system turned off |
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.
12 | 13 |
