Table of Contents
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Table 4. Installer Tests
Test
Test Cool
1
Test
Test Fan
2
Test
Test Heat
3
Test
Auxiliary
4
Heat
Test
TOD/
8
Economizer
NOTE − Press the Done button to exit the Installer
System Test.
Operation
System Settings
Heat Thermostat controls the heating system.
Off
Both heating and cooling systems are off.
Cool Thermostat controls the cooling system.
Auto Thermostat automatically changes be-
tween heat and cool operation, depending on in-
door temperature.
Fan Settings
Auto Fan runs only when heating/cooling system
is on. On−Fan runs continuously.
Table 5 shows default program settings. See Own-
er's Guide for complete instructions to change the
program.
505103M 11/08
0−Off
1−Cool Stage 1
0
2−Cool Stage 2
0−Off
0
1−Fan On
0−Off
1−Heat Stage 1
0
2−Heat Stage 1 and 2
3− Heat Stage 1, 2 and 3
0−Auxiliary Heat Off
0
1−Auxiliary Heat On
0−TOD/Economizer Off
0
1−TOD/Economizer On
Table 5. Energy Star Default Program Settings
Schedule
Schedule
Period
Occ1
Unocc1
a
Occ2
a
Unocc2
a
The thermostat default setting is two period only. To
use four periods, change the appropriate setup pa-
rameter.
Outdoor or indoor temperature
sensor
Allow outdoor or indoor temperature sensor to ab-
sorb the air for a minimum of five minutes before
taking a reading. See the Sensor instructions for
more information.
Economizer/TOD Logic (Table 6)
Table 6. Terminal A Operation
Effective
Effective
Occupancy
Occupied
Unoccupied
Unoccupied
Override
Allow outdoor or indoor temperature sensor to ab-
sorb the air for a minimum of five minutes before
taking a reading. See the Sensor instructions for
more information.
Troubleshooting
Table 7 lists symptoms, causes and actions to take
to remedy problems.
Page 10
Setpoints
Time
Time
Heat
o
08:00
70
F
o
am
(21
C)
o
10:00
55
F
o
pm
(10
C)
(29.5
−−−−
−−−−
Terminal A
Call for
Call for
Cool
TOD
−
Energized
Yes
De−energized
No
De−energized
−
Energized
Fan
Fan
Setting
Cool
o
75
F
Auto
o
(24
C)
o
85
F
Auto
o
C)
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Troubleshooting
