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T8624D CHRONOTHERM
®
IV DELUXE PROGRAMMABLE THERMOSTAT
68-0166—1
10
2. Press Day until the current day is displayed.
NOTE: Sun=Sunday, Mon=Monday, Tue=Tuesday,
Wed=Wednesday, Thu=Thursday, Fri=Friday,
Sat=Saturday.
Fig. 10. Display of all the segments of the LCD.
M10313
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Day
Heat/Cool
Settings
Daylight
Time
Copy
PM
Tue
Set Day/Time
3. Press Time ▲▲ or Time ▼▼ until the current time is
displayed.
NOTE: Tapping the Set Current Day/Time will change
the time in one hour increments.
M10314
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Time
Heat/Cool
Settings
Daylight
Time
Copy
AM
Tue
Set Day/Time
NOTE: If the current time is Daylight Savings Time,
press Daylight Time until DST is displayed.
M10315
Time Set Program
System Fan
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Daylight
Time
Copy
AM
DST
Tue
Set Day/Time
4. Press Run Program.
M10316
Time Set Program
System Fan
Run
Program
Run
Program
Hold Temp
Set Current
Day/Time
Wake
Leave
Return Sleep
Day
Heat/Cool
Settings
Daylight
Time
Copy
Auto
System Fan
Wake
Room
AM
DST
Tue
Heat
INSTALLER SYSTEM TEST
Use the Installer System Test to check the thermostat
operation. Refer to Table 7 for a list of the available
system tests.
To start the system test:
CAUTION
The minimum off time for compressors is bypassed
during the Installer System Test. Equipment damage
can occur if the compressor is cycled too quickly.
Press and hold the increase ▲ and ▼ decrease keys, at the
same time, until 10 appears. All segments of the display are
displayed for three seconds before 10 appears. See Fig. 10
and 11.
Aux Ht
Heat
Auto
System Fan
Off Auto
Wake
Mon
Wait
In
Room
Outdoor
%Humid
Auto
Sav
AM
PM
Hold for
Cool
Repl Batt
On
Recovery
DST
Cool
TueWedThuFriSatSun
LeaveReturnSleep
M10345
Set Program
Set Day/Time
Start Time
Temporary Setting Enrg
Em
Heat
Em Ht
M10257A
TEST NUMBER
Fig. 11. Display of test number.
Table 7. Tests Available in Installer System Test.
Test
Number System Test Description
10-19 Heating equipment can be turned on and off
30-39 Cooling equipment can be turned on and off
40-49 Fan equipment can be turned on and off
60 0 to
60 19
Keyboard keys test
70-79 Thermostat information including date code and
software versions are displayed
Refer to Table 8 for the directions and results of the
specific tests.
NOTE: Press Time ▲▲ to advance to the next test and
Time ▼▼ to go to the previous test. Press
Run Program to exit the system test.