Installation Guide
Installer
system
test
~
During installer setup, press
...
repeatedly until "Test" appears.
Press
DONE
to
terminate testing.
Shaded areas below apply only
to
TH8320rrH8321.
System
test
System
status
1
Cooling system
o Compressor and fan turn off
1 Compressor and fan turn on
2 Second stage compressor turns on
2 Fan system
o
Fan
turns off
1
Fan
turns on
3 Heating system
o 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
4 Emergency
o Heat and fan turn off
heating system 1 Heat and fan turn on
2 Second stage heat turns on (Auxiliary heat)]
CAUTION:
EQUIPMENT
DAMAGE
HAZARD.
Compressor protection is bypassed
during testing.
To
prevent equipment damage, avoid cycling the compressor quickly.
10
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