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NOTE: You can view the number of days remaining at
any time by pressing the i key three or four
times. If more than one timer is active, all active
timers show sequentially when pressing the i
key several times.
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 system test:
Press and hold the increase
the same time until 10 appears. All segments of the
display are displayed before the 10 appears. See Fig. 12
and 13.
Table 4. 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
Keyboard keys test.
60 19
70-79
Thermostat information, including date
code and software versions, is displayed.
Keys to
Test
Press
Number
Heating Equipment System Test
Time ∆
10
11
10
Cooling Equipment System Test
Time ∆
30
31
30
Fan Equipment System Test
Time ∆
40
T8600D CHRONOTHERM® IV DELUXE PROGRAMMABLE THERMOSTATS
and decrease
keys at
Table 5. Installer System Test Options.
Enter heating equipment system test.
Heat comes on. When Installer Setup number 2 is 1; the system fan is also energized.
Heat and system fan turn off.
Change from heating to cooling equipment system test.
Cool and system fan come on.
Cool and system fan turn off.
Change from cooling to fan equipment system test.
Wait
Set Program
Set Day/Time
Recovery
Hold for
Filter
Em Ht
Aux Ht
Days
Mon
Tue Wed Thu Fri Sat Sun
Wake Leave Return Sleep
Fig. 12. LCD segments display.
Fig. 13. Test number display.
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
Description
9
Temporary Setting
AM
PM
Repl Batt
Room
Outdoor
Heat
Cool
DST
System
Em Heat
Off
Cool
Auto
Fan
On
Auto
M14559
M14612
69-1409—1
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