Honeywell CHRONOTHERM T8621A - Manual (Page 23)

23 68-0058—1
T8621A,C,D
PROGRAMMING THE THERMOSTAT
NOTE: The display will show 32
°
F
instead of the current temperature
until the thermostat is mounted on
the subbase and the system is pow-
ered.
STEP 4
SET THE SCHEDULES AND
TEMPERATURES FOR THE
REMAINING DAYS
Use the procedures described in Steps 2
and 3 and summarized in this step to
program the remaining days.
Press and release the COPY TO key
again to select the day that is flashing, or
the DAY key to bypass it.
Continue until all desired days are show-
ing in the display and are not flashing.
If an error is made in copying, start
over by pressing COPY TO key re-
peatedly until all days are shown (NOT
flashing); press COPY TO key once
more.
Press and release to copy the program
into all the days selected.
Press and release to enter the program-
ming mode.
Press and hold until the day desired to
program shows on the display.
If COOL shows on the display, press
and release to switch to HEAT.
Use the AHEAD/BACK keys to set the
time and the WARMER/COOLER keys
to set the heating temperature.
Press and release the PERIOD key to
step through the remaining time peri-
ods. Use the AHEAD/BACK keys to
set the time and the WARMER/
COOLER keys to set the heating tem-
perature for each time period.
Press and release so COOL shows on
the display.
Press and release the PERIOD key to step
through the time periods, and use the
WARMER/COOLER keys to set the cool-
ing temperature for each period.
This completes the time and tempera-
ture program for another day. Copy it
into additional days if desired.
SET
PT
MON TUE WED THU FRI HEAT
DAYTIME
SET
PT
MON TUE WED THU FRI HEAT
DAYTIME
SET
PT
MON TUE WED THU FRI COOL
MORNING
AM
MIDDAY
MIDDAY
PM
TUE
DAYTIME MIDDAY
SET
PT
COPY
TO
RUN
PROGRAM
PERIOD
SET
PT
MON TUE WED THU FRI HEAT
DAYTIME
AM
MIDDAY
DAY
SET
HEAT/COOL
AHEAD
BACK
WARMER
COOLER
PERIOD AHEAD
BACK
WARMER
COOLER
SET
HEAT/COOL
PERIOD WARMER
COOLER
SUN MON TUE WED THU FRI SAT