Heat and Cool Indicators
Indicates a call for heating.
Indicates a call for cooling.
M18548
Note: In the programming mode, the and 
indicate the system setting.
Fan Setting
To select the desired fan setting, slide the FAN switch in the lower left corner of the thermostat.
Hold Select
PM 
TUE
FAN | SYSTEM |
Auto On | Cool Off Heat |
FAN SWITCH | M20542 |
FAN settings control the system fan as follows: Auto: Fan operates with equipment.
On: Fan operates continuously.
| Pub. No. |
18 |
