Installation guide

VisionPRO
®
TH8110 / TH8320 / TH8321
7
Installer setup
0120
0130
0140
0150
0160
0170
0180
0190
0200
0210
0220
0230
Year
(first two digits)
Year
(second two digits)
Month
Date
Schedule format
System type
Fan control
(heating)
Changeover valve
(O/B terminal)
Auxiliary heat
External fossil
fuel kit
1st stage com-
pressor cycle rate
2nd stage com-
pressor cycle rate
20 (2000-2078)
21 (2101-2178)
06 (2006)
[Other options: 00-99]
6 [Other options: 1-12]
15 [Other options: 1-31]
4 7-day programming
0 Non-programmable
1 1 heat/1 cool conventional
2 1 heat/1 cool heat pump (no aux. heat)
3 Heat only (2-wire systems)
4 Heat only with fan
5 Hot water Series 20 system (power to open & close zone
valves/normally open zone valves)
6 Cool only
7 2 heat/1 cool heat pump (with aux. heat)
8 2 heat/2 cool multistage conventional
9 2 heat/1 cool multistage conventional
10 1 heat/2 cool multistage conventional
11 2 heat/2 cool heat pump (no aux. heat)
12 3 heat/2 cool heat pump (with aux. heat)
0 Gas/Oil heat (equipment controls heating fan)
1 Electric furnace (thermostat controls heating fan)
0 O/B terminal controls valve in cooling
1 O/B terminal controls valve in heating
0 Electric backup heat
1 Fossil fuel backup heat
1 External fossil fuel kit controls backup heat
0 Thermostat controls backup heat (outdoor sensor required)
3 Recommended for most compressors
[Other options: 1, 2, 4, 5 or 6 CPH]
3 Recommended for most compressors
[Other options: 1, 2, 4, 5 or 6 CPH]
Continued on next page
Setup functions Settings & Options (factory default in bold)
DONE
0120 20
Function Setting
Press to
select function
Press to
change setting
Press DONE to exit & save settings.
DONE
0120 20
Shaded areas below apply only to TH8320/TH8321