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System Test
The system test function allows the in-
staller to check the HVAC system after
the thermostat set−up has been com-
pleted. The system test function is ac-
cessed through the installer set−up
menu.
1 − Press and release the SYSTEM
key.
2 − Press and hold the two blank keys
on either side of the center blank
key for approximately five sec-
onds, until the screen changes.
3 − Use the down arrow in the center
of the thermostat to reach the in-
staller test selections.
Installer Test No. Installer Set−Up Name
Test 1
Test 2
Test 3
Test 3
Test 4
Test 4
Installer Test Cool
Installer Test Fan
Installer Test Heat
Installer Test Heat
Installer Test Emergen
Installer Test Emergen-
cy Heat
Page 19
4 − The installer test number is dis-
played on the upper portion of the
screen. Press the up or down ar-
row next to the word test on the
screen to change the output to be
tested.
5 − Refer to the following table to se-
lect proper test options.
CAUTION
While the system is in the test
mode, the compressor mini-
mum−off time is bypassed.
Selection Description
0 − Cooling is off (factory setting).
1 − First−stage cooling is activated.
2 − Second−stage cooling is acti-
vated.
0 − Fan is off (factory setting).
1 − Fan is activated.
0 − Heating is off (factory setting).
1 − First−stage heat is activated.
2 Second stage heat is activated
2 − Second−stage heat is activated.
3 − Third−stage (auxiliary) heat is ac-
3 − Third−stage (auxiliary) heat is ac-
tivated.
0 − Emergency heat is off (factory
setting).
setting).
1 − Emergency heat is activated.
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