T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
7 69-1406—1

Setting Current Day and Time

1. Press Set Current Day/Time.
NOTE: On initial powerup or after an extended power
loss, 1:00 pm flashes on the display until a key
is pressed.
2. Press Day until the current day is displayed.
NOTE: Sun=Sunday, Mon=Monday,
Tue=Tuesday, Wed=Wednesday,
Thu=Thursday, Fri=Friday, Sat=Saturday
.
3. Press Time ∆ or Time ∇ until the current time is
displayed.
NOTE: Tapping the Set Current Day/Time changes the
time in one-hour increments.
.
NOTE: If the current time is Daylight Savings Time,
press Daylight Time until DST is displayed.
.
4. Press Run Program.

INSTALLER SYSTEM-TEST

Use the Installer System Test to check the thermostat
operation. Refer to Table 4 for a list of the available
system-tests.
CAUTION
Equipment Damage Hazard.
Minimum compressor off-time is bypassed
during INstaller System Test.
Avoid cycling compressor quickly.
To start the sytem-test:
Press and hold the increase ▲ and decrease ▼ keys at
the same time until 10 appears. All segments of the
display will be displayed before the 10 appears. See Fig.
11 and 12.
Table 4. Tests Available In Installer System Test.
Fig. 11. Display of all LCD segments.
.
Fig. 12. Display of test number
Refer to Table 5 for the directions and results of the
specific tests.
NOTE: Press Time ∆ to advance to the next test and
Time ∇ to go back to the previous test. Press
Run Program to exit the system test
M14619
Time Set!Program
System Fan
Run
Program
Hold!Temp
Set!Current
Day/Time
Set!Current
Day/Time
Wake Leave Return Sleep
Day Heat/Cool
Settings
Daylight
Time Copy
Set!Day/Time
Mon
PM
M14620
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
Set Day/Time
PM
Tue
M14621
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
Set Day/Time
AM
Tue
M14622
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
Set Day/Time
AM
DST
Tue
M14623
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 Wake
Room
System
Fan
Heat
Auto
AM
DST
Tue
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.
M14559
Aux Ht
Set Day/TimeSet Program
Mon
Wake Leave Return Sleep
Ou
t
door
Room
Filter
Wait
F
Fan
Em H
eat
On
A
t
O
f
f
C
oo
l
A
t
AM
PM
Hold for
Heat Cool
Repl Batt
Recovery
DST
TueWed Thu Fri SatSun
Days
Temporary Setting
Em Ht
M14612