Honeywell CHRONOTHERM T8621A - Manual (Page 25)

25 68-0058—1
T8621A,C,D
PROGRAMMING THE THERMOSTAT • OPERATING THE THERMOSTAT
Operating the Thermostat
TEMPORARILY CHANGING
THE PROGRAM
These features allow customizing the
program for those times when someone
comes home early, is working late or
planning to be out for the evening.
Changes made with these keys are ac-
tive for one program period and then
are canceled.
To keep the current temperature through
the next program period:
To go back to the temperature of the
pre-vious program period:
To temporarily raise or lower the tem-
perature for the current period only:
To change back:
REPROGRAMMING THE
THERMOSTAT
If schedule changes or a different tem-
perature is wanted, update any setting
without affecting the rest of the pro-
gram.
Press and release. The name of the
period to be skipped will flash in the
display until the start time of the skipped
period. During the skipped period, the
display will flash “temporary” to show
that the programmed temperature for
this period is not being used.
Press and release. The display will show
the name of the previous period and
flash “temporary” until the next regu-
larly scheduled period starts.
Press and hold until the desired tem-
perature is reached. The display will
flash “temporary” until the next pro-
grammed time period starts.
Press and release to cancel any of the
tem-porary settings.
Press and hold until the desired time
period shows on the display.
Press and hold until the desired sched-
ule day shows on the display.
TUE
LEAVE RETURN
PM
MIDDAY EVENING
This completes the programming of the
thermostat.
If it was removed from the wall to
program, replace it following the proce-
dure on page 17.
WARMER
COOLER
TEMPORARY
HEAT
TUE
WAKE TEMPORARY
PM
MORNING
PERIOD
TUE
LEAVE
PM SET
PT
MIDDAY
DAY
CHANGE
TO LAST
PERIOD
SKIP
NEXT
PERIOD
RUN
PROGRAM
Now, read on to learn about the operating flexibility
that makes this thermostat the smart choice.