Honeywell T8624 - Glossary

Setup
Raising the temperature in the house
for a set period every day in summer
for energy savings. The higher
temperature is the energy savings
temperature.
Set point
The temperature you set on the
thermostat. The thermostat turns the
heating or cooling equipment on and
off to maintain this temperature at
the thermostat location until another
temperature setting goes into effect.
Sunday program schedule
The schedule of WAKE, LEAVE,
RETURN and SLEEP period start
times and temperatures that you
program to run on Sundays.
SYSTEM light (yellow)
This light (located on thermostat)
glows whenever the thermostat is
calling for heating or cooling.
Time period
One of four program periods:
WAKE, LEAVE, RETURN and
SLEEP available with the thermo-
stat. One period begins when the
previous period ends.
WAKE—The time period when
you want the house at a comfort-
able temperature while the family
gets up and gets ready to leave
for work or school. This is the
only period that must contain a
time and temperature.
LEAVE—The time period when
you can set back (winter) or set
up (summer) the temperature for
energy savings because the
family is usually away from home.
RETURN—The time period when
you want the house at a comfort-
able temperature for family
activities in the evening before
bedtime.
SLEEP—The time period when
you can set back (winter) or set
up (summer) the temperature for
energy savings because the
family is sleeping. Set it to start at
your family’s normal bedtime.
Often the SLEEP program is set
only for the heating season so
family members can sleep cool in
summer.
Weekday program schedule
The schedule of WAKE, LEAVE,
RETURN and SLEEP period start
times and temperatures that you
program to run Monday through
Friday.
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GLOSSARY