Installation Guide
Installer system test
During installer setup, press t
repeatedly until "Test" appears.
0120
DONE
Shaded areas below apply only to TH8320/TH8321.
System test
1
Cooling system
2
Fan system
3
Heating system
4
Emergency
heating system
CAUTION: EQUIPMENT DAMAGE HAZARD. Compressor protection is bypassed
during testing. To prevent equipment damage, avoid cycling the compressor quickly.
69-2693—01
20
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") ** See page 6
2
Second stage heat turns on
3 Third stage heat turns on
0
Heat and fan turn off
1
Heat and fan turn on
Test
number
DONE
Press
select test
Press DONE to terminate testing.
10
System
status
1
0
TEST
to
Press
st
change status
MCR29488
to
st