Installation Guide
35
Number Name Settings Notes
0170
System Type
Selection
1-1heat/1cool conventional (default setting)
2-single-stage heat pump (no auxiliary heat)
3-heat only conventional (no fan)
4-heat only conventional (with fan)
5-heat only (power to open and close zone)
valves or normally-open zone valves)
6-cool only conventional
7-2heat/1cool heat pump (with auxiliary heat)
8-2heat/2cool multistage conventional
9-2heat/1cool multistage conventional
10-1heat/2cool multistage conventional
11-2heat/2cool heat pump (no auxiliary heat)
12-3heat/2cool heat pump
(with auxiliary heat)
Available options and
defaults vary by
thermostat. System
selection automatically
modiļ¬es some default
settings and/or hides
other Installer Setup
options.