Honeywell chronotherm t8621a Benutzerhandbuch

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68-0058—1

T8621A,C,D

 PROGRAMMING THE THERMOSTAT  •  OPERATING THE THERMOSTAT

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:

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.

TEMPORARY

 HEAT

TUE

WAKE

TEMPORARY

PM

MORNING

TUE

LEAVE

PM

SET
PT

MIDDAY

Now, read on to learn about the operating flexibility
that makes this thermostat the smart choice.