ii ENV-VST-C - Operation / Reference Guide
Table of Contents
Changing Hold Mode............. ....................................................................................... 19
Changing the Heating/Cooling Mode ........................................................................... 19
Turning Off the HVAC System............................................................................. .......... 20
Changing the Fan Mode............................................................ .................................... 20
Help Screen......................................................... .......................................................... 21
Current Weather Screen................................................................................ ................ 22
5-Day Forecast Screen...................................................................................... ............. 22
Thermostat Mode Screen............................. ................................................................. 23
Program Screen...................................................................................... ....................... 24
Establishing Daytime/Nighttime Temperature Settings ................................................ 24
Copying Programmed Settings ..................................................................................... 25
Away Mode Screen ....................................................................................................... 26
Establishing Away Mode Settings ................................................................................. 26
Settings Screen ............................................................................................................. 27
Changing the Fan Settings........ .................................................................................... 27
Changing the Filter Settings.......................................................................................... 28
Advanced Thermostat Operations ....................................................................29

Overview ................................................................................................................ 29

Changing User Preferences..................................................................................... 29

Security Code Screen .................................................................................................... 29
Accessing Advanced Setup Options................................................. ............................. 29
Entering the Security Code.... ....................................................................................... 30
Change Security Code Screen... .................................................................................... 30
Changing the Security Code.......................................................................................... 31
User Preferences Screen ............................................................................................... 32
Changing the Temperature Scale................. ................................................................. 33
Changing the Date and Time Format ............................................................................ 33
Changing the Backlight Settings ................................................................................... 34
Disabling the Filter Change Reminder........................................................................... 34
Disabling the Weather Alert Icon........ .......................................................................... 35
Disabling the Forecast Screens ..................................................................................... 35
Disabling the Screen Saver.................................................................................. .......... 35
Button Lockout Screen........................... ....................................................................... 36
Locking the Buttons ...................................................................................................... 37
Locking the Temperature Settings ................................................................................ 37
Locking the Fan Settings........................... .................................................................... 38
Locking the Mode Settings ........................................................................................... 38
Advanced Setup Screen ................................................................................................ 39
Changing the Type of HVAC System............................................. ................................ 40
Changing the Type of Fossil Fuel .................................................................................. 41