Table of contents
Programming & Operation
Using program schedules ..................8
Menu options
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.
69-2493EFS_A.indd 1
Prestige
Screen cleaning ................................23
Installer contact information ............25
Appendices
. To prevent possible compressor damage, do not
1
THX9321/THX9421 Thermostat
®
69-2493EFS-01
7/6/2011 12:26:57 PM