Honeywell Prestige THX9321 Manual page 3

Prestige _ THX9821/THX9421 Thermostat
Table of contents
Programming & Operation
Quick reference .................................. 2
Date/time settings .............................. 4
Fan settings ........................................ 5
System settings .................................. 6
Energy Saver settings ........................ 7
Using program schedules .................. 8
Schedule overrides ............................. 9
Menu options
System status ................................... 11
Vacation/event scheduler ................. 12
Humidity controls ............................. 17
Ventilation controls ........................... 20
Preferences menu ............................. 21
Temporary schedule changes .......... 22
Screen cleaning ................................ 23
Security settings ............................... 24
Installer contact information ............ 25
Advanced features ........................... 26
Appendices
Installer options ................................ 27
Battery replacement ......................... 28
Humidity display ............................... 30
Optional accessories ........................ 31
In case of difficulty ........................... 34
Limited warranty ............................... 35
CAUTION: EQUIPMENT DAMAGE H AZARD. To preventpossiblecompressordamage,do not
operatecoolingsystemwhen outdoortemperatureis below50°F (10°C).
This thermostatcontainsa Lithiumbatterywhich may containPerchloratematerial.
Specialhandlingmay be required.Seewww.dtsc.ca.gov/hazardouswaste/perchlorate.
1 69-2493EFS--Ol