Honeywell CHRONOTHERM T8624C - Manual (Page 14)

14
Programming the Thermostat
IMPORTANT: With Adaptive Intelligent Recovery™,
program the times for when the homeowner wants
the home comfortable. The thermostat will decide
how early to begin the temperature changes.
NOTE: Some models will show 32
°
F instead of the
current temperature, indicating the thermostat is op-
erating on backup batteries until the thermostat is
mounted on the wallplate and the system is powered.
STEP 1
SET THE CURRENT DAY AND
TIME
This thermostat can be programmed either
on the wall or in hand. SEE PAGE 5 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 key-
board.
NOTE: Check the glossary, page 22, for
STEP 2
SET THE PROGRAM SCHEDULE
AND HEATING TEMPERATURES
Before Beginning…
The schedule form on page 22 provides the
homeowner an opportunity to plan the
schedule.
Now…
Start by programming the WAKE time
and temperature for weekdays.
The thermostat requires a program for
WAKE. You can program LEAVE, RE-
TURN and SLEEP or not, as desired.
Press and release. Note that
the display shows WAKE and
the preprogrammed time and
temperature.
If the display reads COOL,
press and release to switch to
HEAT.
If display reads SAT or SUN,
press and hold until MON
TUE WED THU FRI appears.
Press and hold until the dis-
play shows the desired start-
ing time.
Press and hold until the dis-
play shows the desired tem-
perature.
If the display starts to blink while holding down TEM-
PERATURE WARMER or COOLER, the setting limit
has been reached. If the thermostat can switch automati-
cally between heating and cooling, the heating tempera-
ture must be at least three degrees below the air condi-
tioning temperature. For example, if the cooling setting
definitions of unfamiliar
words.
Press and release. The display
shows 1:00 PM MON.
Press and hold until the current
day appears in the display.
Press and hold until the current
time appears in the display. Be
sure AM or PM appears as desired.
MON
PM
M5015
TUE
PM
M5017
TUE
M5016
PM
MON TUE WED THU FRI ON HEAT
WAKE
AM
SET
PT
M5018
MON TUE WED THU FRI ON HEAT
WAKE
AM
SET
PT
M5018
MON TUE WED THU FRI ON HEAT
WAKE
AM
SET
PT
M5018
MON TUE WED THU FRI ON HEAT
WAKE
AM
SET
PT
M5019
T8624C,D
PROGRAMMING THE THERMOSTAT
SET
PRESENT
DAY/TIME
DAY
BACK
AHEAD
WAKE
SET
HEAT/COOL
DAY
BACK
AHEAD
WARMER
COOLER
MON TUE WED THU FRI ON HEAT
WAKE
AM
SET
PT
M5020