User manual

9
ATC32U01 Communicating, Programmable Thermostat - User Manual
Created: 8 May, 2012
5.6 OTHER SETTINGS
5.6.1 SCREEN SETTINGS
Adjust the Screen settings using the up/down arrow
buttons. Press the center button to save changes.
• Fahrenheit or Celsius (default Fahrenheit):
adjusts the temperature scale
• 12 or 24 Hour Clock (default 12 Hour Clock):
adjusts the clock format
• Language (default English)
• Contrast (default 4): adjusts the screen contrast
- options: 1 to 15
• Backlight On Time (default 30 seconds): After
a button press, the backlight stays on for the
selected amount of time - options: 30 to 120
seconds, ON (in 30 second increments)
• Date Display (default MM/DD/YY): adjusts the
date format
5.6.2 OFFSETS
Not recommended for user access. Contact your
dealer for changes.
5.6.3 CYCLES PER HOUR
Not recommended for user access. Contact your
dealer for changes.
5.6.4 AUTO CHANGEOVER TIME
Not recommended for user access. Contact your
dealer for changes.
5.6.5 PROGRAM SETTINGS
Set additional system parameters related to program
scheduling and system operation.
5.6.5.1 SMART RECOVERY
Smart recovery is a feature designed to save
energy by gradually adjusting temperatures. When
it is time for a program schedule temperature
change, smart recovery begins working in
advance, turning the system on and off as needed
to slowly adjust the indoor temperature so that
it reaches the program temperature setpoints at
the time you set. Rather than waiting to start the
equipment until the program time has occurred.
Adjust the Smart Recovery setting using the up/
down arrow buttons. Press the center button to
save changes.
• Events Per Day (default On): options: ON,
OFF
NOTE 1: The thermostat must be confi gured for
programmable mode by installer to access the
Smart Recovery setting.
NOTE 2: Auxiliary heat will not be used during
Smart Recovery.
5.6.5.2 EVENTS PER DAY
NOTE: The thermostat must be confi gured for
programmable mode by installer to access the
Events per Day setting.
Events Per Day sets the number of program
schedule events for each day. An event is a period
of time scheduled with a certain heat setpoint, cool
setpoint, and fan mode.
Adjust the Events Per Day setting using the up/
down arrow buttons. Press the center button to
save changes.
• Events Per Day (default 4 events): options:
4-Residential, 2-Residential, 2-Business
5.6.5.3 SMART HEAT STAGING
When there is auxiliary heating demand, Smart
Heat Staging defi nes the minimum amount of
time to wait before activating auxiliary heating. If
you fi nd that the thermostat is operating auxiliary
heating equipment too quickly/slowly, this setting
allows for adjustment to correct the temperature
algorithm.
Adjust the Smart Heat Staging setting using the up/
down arrow buttons. Press the center button to
save changes.
• Smart Heat Staging (default Off): options:
OFF, 5 – 120 minutes (in 5 minute increments)
5.6.5.4 ELECTRIC HEAT LOCKOUT
Electric heat lockout keeps electric heat turned off
if the outdoor temperature is above the specifi ed
temperature so as only to use electric heat when
necessary.
Adjust the Electric Heat Lockout setting using the
up/down arrow buttons. Press the center button to
save changes.
• Electric Heat Lockout (default Off): options:
OFF, 5 – 60°F (in 5°F increments)
NOTE: An outdoor temperature sensor must be
installed for this feature to work.
5.6.5.5 PROGRAMMED DEMAND REDUCTION
Programmed Demand Reduction is a feature
designed to reduce your electric load during
preselected time periods in which peak utility rates
are high. You can program your thermostat to
reduce the electric load by limiting operation or
capacity during the high utility rate time period that
you specify for each day of the week.
While the Programmed Demand Reduction mode
is active, the thermostat outputs will be limited