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Installation Guide
Installer system test
Once you enter installer setup, press the Go Back button repeatedly until "Test" 1 appears.
Test number
Press Next to select next test.
Shaded areas below apply only to TH7220.
System test
1
Cooling system
2
Fan system
3
Heating system
4
Emergency
heating system
CAUTION: EQUIPMENT DAMAGE HAZARD. Compressor protection is bypassed dur-
ing testing. To prevent equipment damage, avoid cycling the compressor quickly.
69-2668ES—05
0120
Go Back
Next
System status
1
EEEE
es
Go Back
Next
System status
0
Compressor and fan turn off
1
Compressor and fan turn on
2
Second stage compressor turns on
0
Fan turns off
1
Fan turns on
0
Heat and fan turn off
1
Heat turns on (fan on if Function 0170 is set for heat pump,
or if Function 0180 is set to "1")
2
Second stage heat turns on
0
Heat and fan turn off
1
Heat and fan turn on
2
Second stage heat turns on (Auxiliary heat)
20
Done
MCR31511
0
Done
MCR31520
Press DONE to exit testing.
10
Press
to
st
change status
** See page 6
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