Programming The Thermostat; Enter The Day And Time - Honeywell CHRONOTHERM T8621A User Manual

Cycle Rate Setting
(cph at 50% on time for stage
First 1 on 1-heat models, stage
Digit 2 on 2-heat models)
0
1
2
3
Second
Digit Heat
0 2
1 2
2 1
3 1
4 0
5 1
6 2
STEP 1

ENTER THE DAY AND TIME

This thermostat can be programmed
either on wall or in hand. See page 8 to
find out how to remove the thermostat
from the subbase.
Always press the keys with fingertip
or similar blunt tool. Sharp instruments
like a pen or pencil point can damage
the keyboard.
NOTE: Check the glossary, page 30
for definitions of unfamiliar
words.
1
3
9
6
Stages of
Cool
1
2
1
2
2
0
0

Programming the Thermostat

Press and release. The display shows
SET
PRESENT
1:00 PM Mon.
DAY/TIME
Press and hold until the current day
appears in the display.
DAY
TIME
Press and hold until the current time
appears in the display. Be sure AM or
AHEAD
PM appears as desired.
BACK
This completes setting the current day
and time. Go on to Step 2.
CHECKOUT • PROGRAMMING THE THERMOSTAT
Third Manual or Auto
Digit Changeover
0 Manual
1
3
4 Manual
5
Fourth
Digit Degrees
0 F
1 F
2 F
3 F
4 C
5 C
6 C
7 C
19
System Switch
Position
HEAT or OFF
Auto HEAT or OFF
Auto AUTO
COOL
Auto COOL
Clock System Switch
(hrs) Position
12 COOL, AUTO
or OFF
24 COOL, AUTO
or OFF
12 HEAT
24 HEAT
12 COOL, AUTO
or OFF
24 COOL, AUTO
or OFF
12 HEAT
24 HEAT
PM
MON
PM
TUE
PM
TUE
68-0058—1
T8621A,C,D