Table of contents
Programming & Operation
Using program schedules ....................8
Schedule overrides ..............................9
Menu options
System status ....................................11
Vacation/event scheduler ...................12
Humidity controls ...............................17
Ventilation controls.............................20
CAUTION: EQUIPMENT DAMAGE HAZARD
operate cooling system when outdoor temperature is below 50˚F (10˚C).
This thermostat contains a Lithium battery which may contain Perchlorate material.
Special handling may be required. See www.dtsc.ca.gov/hazardouswaste/perchlorate.
Preferences menu .............................21
Screen cleaning .................................23
Installer contact information ...............25
Appendices
. To prevent possible compressor damage, do not
1
Prestige
THX9321/THX9421 Thermostat
®
69-2703EFS-03