Installer system test
1. To begin, press and hold the
buttons until the display changes.
2. Press
/
to turn system on/off.
s
t
3. Press NEXT to advance to next test
4. Press DONE to terminate system test.
System test
Shaded areas below apply only to
10 Heating system
20 Emergency heating
system
30 Cooling system
40 Fan system
Specifications
Temperature Ranges
Heat: 40° to 90°F (4.5° to 32°C)
Cool: 50° to 99°F (10° to 37°C)
Operating Ambient Temperature
32° to 120°F (0° to 48.9°C)
Shipping Temperature
-20° to 120°F (-28.9° to 48.9°C)
Operating Relative Humidity
5% to 90% (non-condensing)
Physical Dimensions
3-9/16" H x 5-13/16" W x 1-1/2" D
91 mm H x 147 mm W x 38 mm D
and
s
t
System status
TH6320U/TH6220D
0
Heat and fan turn off.
1
Stage 1 heat turns on. Fan turns on if Setup Function 1 is set to 1, 5, 9 or
10 OR Setup Function 3 is set to 1
2
Stage 2 heat turns on
3
Stage 3 heat turns on -
0
Heat and fan turn off
1
Heat and fan turn on
0
Compressor and fan turn off
1
Compressor and fan turn on
2
Stage 2 compressor turns on
0
Fan turns off
1
Fan turns on
Electrical Ratings
Terminal
W Heating
(Powerpile)
W2 (Aux/E) Heating
Y Cooling
Y2 Cooling
G Fan
O/B Changeover
L Output
10
System test
number
or as otherwise noted.
TH6320U
only
Voltage (50/60Hz)
20-30 Vac
750 mV DC
20-30 Vac
20-30 Vac
20-30 Vac
20-30 Vac
20-30 Vac
20-30 Vac
7
0
System
MCR29455
status
Running Current
0.02-1.0 A
100 mA DC
0.02-1.0 A
0.02-1.0 A
0.02-1.0 A
0.02-0.5 A
0.02-0.5 A
0.02-0.5 A
1