69-1638—1 12
PROGRAMMING

Faceplate Illustration and Description

Descriptions
Fig. 16. 1 Fan switch–Selects automatic fan
operation or fan on.
2 Set Schedule–Puts the thermostat into
programming mode.
3 Set Clock/Day–Sets the clock and day.
4 Time Ahead and Back–Sets the time
ahead and back.
5 Program periods–Current program period
or period being programmed.
6 Day of the week–Current day or day being
programmed.
7 Time–Current time or program time.
8 Temperature–Room temperature or
programmed temperature.
9 SYSTEM ON–An arrow displays when the
heating/cooling system is running.
10 TEMPORARY–An arrow displays when a
temporary override is made to the
program.
11 Temp Warmer and Cooler–Sets the
temperature warmer and cooler.
12 Run Program–Returns thermostat to
normal operating mode
13 Hold Temp–Holds a selected temperature.
14 System switch–Selects Cool, Off, Heat.
Fan
Auto On System
Cool Off Heat
SYSTEM ON
TEMPORARY

Temp

AM
PM
MO TU WE TH FR SA SU
WAKE LEAVE RETURN SLEEP
SET
M20664
1
2
3
4
5
6
14
13
12
11
10
9
7 8
Run
Program
Hold
Temp
Clock/Day
Schedule
Set Time Mode