Installer system test
1. To begin, press and hold the
and
buttons until the
s
t
display changes.
2. Press
/
s
t
on/off.
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
to turn system
System status
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
10
System test
number
TH6320U/TH6220D
TH6320U
Electrical Ratings
Terminal
W Heating
(Powerpile)
W2 (Aux/E) Heating 20-30 Vac
Y Cooling
Y2 Cooling
G Fan
O/B Changeover
L Output
7
System
status
or as otherwise noted.
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
0
MCR29455
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