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FocusPRO
™
TH5220D Non-programmable Digital Thermostat
13
To begin, pr
ess and hold the and
buttons until the display changes
System test
number
Press to turn on system
Press to turn off system
Press
NNEEXXTT
to advance to next test
Press
DDOONNEE
to terminate system test
System
status
10
20
30
40
70
Heating system
Emergency
heating system
Cooling system
Fan system
Thermostat
information
(for reference only)
0 Heat and fan turn off
1 Heat turns on. Fan also turns on immediately if Function 1 is set
to “1” or “5,” or if Function 3 is set to “1” **See page 11
2 Second stage heat turns on
0 Heat and fan turn off
1 Heat and fan turn on
2 Second stage heat turns on (Aux)
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
71 Software revision number (major revisions)
72 Software revision number (minor revisions)
73 Configuration identification code (major)
74 Configuration identification code (minor)
75 Production configuration date code (week)
76 Production configuration date code (year)
System Test System Status
Installer system test
CAUTION: EQUIPMENT DAMAGE HAZARD
Compressor protection (minimum off time) is bypassed during testing. To prevent
equipment damage, avoid cycling the compressor quickly.
Follow the procedure below to test the heating, cooling and fan.