Emerson 1F97-1277 User Manual page 7

Big blue touchscreen thermostat with automatic heat/cool changeover option
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20) Heat Temperature Limit Range – This feature adjusts
the highest setpoint temperature for heat . The default
setting is 99°F . It can be changed between 62°F and
98°F by pressing the
limit" icon will be displayed to the left of your setpoint
temperature when using this feature . The "temperature
limit" icon will flash if an attempt is made to adjust the
temperature beyond the range selected .
21) Cool Temperature Limit Range – This feature adjusts
the lowest setpoint temperature for cool . The default
setting is 45°F . It can be changed between 46°F and
82°F by pressing the
limit" icon will be displayed to the left of your setpoint
temperature when using this feature . The "temperature
limit" icon will flash if an attempt is made to adjust the
temperature beyond the range selected .
22) Keypad Lockout – This step allows you to select the
type of lockout or limited range security required . If no
lockout or limited range security is required, press
advance the menu .
Three security settings are available in this menu item .
Use the
or
keys to select the lockout desired .
Lockout selections are:
"Keypad Lockout and L" = Total Lockout . Total Lockout
locks all keys .
"Keypad Lockout and P" = Partial Lockout . Partial Lock-
out allows only the
or
set temperature limits .
"Temperature Limit/Keypad Lockout" prevents
changing the temperature limits in the Configuration
Menu .
Keypad Lockout Combination Number Selection
Display will read "OFF" "Keypad Lockout" .
Skip this step and continue through the configuration
menu items 23 thru 26 if you require an Air Filter Change
out indicator or Humidifier Pad Change out indicator by
pressing the
button to advance .
Return to this point when you are ready to start your
selected lock-out and continue by:
Pressing
or
keys to select ON .
Press
. Display will read "000" .
Pressing
or
keys to select your keypad lockout
combination number . Note: "000" is not a valid
combination choice .
Record the number you select for future use.
Press
to exit the menu . The security feature you
select will start in 10 seconds . The system button will
remain active for 10 seconds to allow setting Heat, Off,
Cool or Auto .
or
key . The "temperature
or
key . The "temperature
keys to operate within your
INSTALLER/CONFIGURATION MENU
23 Select Fast Second Stage ON or OFF – In the run
mode, with the fast Heat feature enabled (FA Heat On), if
the Heat setpoint temperature is manually raised by 3°F
(2°C) or more above the actual temperature using
second stage will energize immediately . With FA OFF,
second stage will not energize until the setpoint tempera-
ture is 1°F or more above actual temperature for more
than ten minutes . The Fast Cool feature (FA Cool) pro-
vides the same controls when the setpoint temperature is
lowered .
24) Select Remote Temperature Sensor – This control
allows one wired remote temperature sensor (indoor,
F145-1328, or outdoor, F145-1378) be connected to it
and indicates the measured temperature in clock digits .
This menu enables you to select the remote sensor and
also configure it as indoor or outdoor temperature sensor.
Factory default is off . Select Remote On and Remote in
(for indoor) or Outdoor Remote .
Local Temperature Sensor disable – This is applicable
to
only when indoor remote temperature sensor is enabled .
Factory default is On LS . You can make it Off LS if you
desire by using
indoor remote temperature reading will be used for
control .
25) Select Dual Fuel Feature and Setpoint – This feature is
applicable only in heat pump modes . An outside remote
sensor must also be installed . When the outside tem-
perature falls below the selected setpoint temperature,
dF, the thermostat will switch to gas heat and shut down
the compressor . Use the
desired setpoint temperature in the range of 5 to 50 .
Factory default is 5, which disables this feature . See
Dual Fuel Temperature and Setpoint in Programming
section .
Select Compressor Delay – When dF is enabled, the
shut down of the compressor(s) is delayed for a time
period after the auxiliary stage is energized . This delay,
Cd, is factory set at 60, but can be set in the range of 0
to 99 .
26) Select Change Filter Run Time – The thermostat
will display "Change Filter" after a set time of blower
operation . This is a reminder to change or clean your air
filter. This time can be set from 25 to 1975 hours in 25
hour increments . A selection of OFF will cancel this
feature . When "Change Filter" is displayed, you can
clear it by pressing Clean Display . In a typical application,
200 hours of run time is approximately 30 days .
or
touch keys . Then, only the
or
keys to select the
the
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