ADDITIONAL
OPERATION FEATURES
5
cont.
8 9
NOTE: The installer can reset the thermostat and bypass the compressor protection
features by pressing the RESET button. This will erase all entered programs, current time
of day, day of week and other user settings and should only be used during installation
for testing purposes or to reset a thermostat to regain normal operation. This will return
all thermostat settings to their default values. The user will have to re-program all of the
erased settings.
5.5
Compressor Protection
This thermostat includes an automatic compressor protection feature to avoid potential
damage to the cooling system from short cycling. This thermostat automatically provides a
5-minute delay after turning off the cooling system output to protect the compressor. This
protection is also present in the heat mode of operation on single stage heat pump systems
to protect the compressor.
5.4
Low Temperature "Freeze" Protection
While the thermostat is in the HEAT mode of operation, on standard heating (non-heat pump)
applications, the thermostat will mechanically initiate a call for heat if the room temperature
drops to less than 41˚F (5˚ C). The system selector switch must be in the HEAT position for
this feature to be active. This feature will allow the thermostat to initiate a call for heat on
standard heating (non-heat pump) applications, to provide a minimum amount of heat, even
if the batteries are dead or missing. This feature is only active on standard heating (non-heat
pump) applications and is not available on single stage heat pump applications.
5.6
Low Battery Detection and Replacement
ADDITIONAL
OPERATION FEATURES
5
cont.
Replacing the Batteries
1.
Open the thermostat cover and locate the battery compartment door.
2.
Gently remove the two "AA" alkaline batteries located in the battery compartment.
3.
Install two new "AA" alkaline batteries into battery compartment. Make sure to match
the positive (+) ends of the batteries with the positive (+) terminals located in the battery
compartment.
4.
Close battery compartment and verify that the low battery indicator does not appear in
the display.
In order to maximize comfort and energy efficiency, this thermostat is equipped with an
Adaptive Recovery Mode (ARM™). This feature minimizes the amount of time required by
heating or cooling system to reach the new setpoint, after a setback period is completed, and
assures your desired temperature is achieved at your set program times.
This feature activates when recovering room temperature from setback programs to comfort
programs, so it will only take place when the current (heating) program setpoint temperature is
lower than the upcoming program set point temperature, or the current (cooling) program
setpoint temperature is higher than the upcoming program setpoint temperature.
During ARM™, room temperature is recovered gradually by turning on the heating or cooling
before the end of the setback period. The set point temperature is changed to that of the
upcoming comfort program temperature. The start time of recovery is based on the difference
between the current room temperature and the upcoming comfort program setpoint
temperature. The recovery to the upcoming setpoint starts 10 minutes before the upcoming
setpoint time for each degree of temperature change required, up to a maximum of 2 hours.
ARM™ does not operate when the unit is in the HOLD mode, or if the program is
temporarily overridden.
5.7
Adaptive Recovery Mode (ARM™)
The Reset feature allows the user to completely reset the thermostat to register new manual
switch settings.
1.
To erase all entered programs, current time of day, day of week and other user settings,
gently press the RESET button using a paper clip or a small pencil tip.
2.
This will return all thermostat settings to their default values and register all new manual
switch settings for proper operation.
5.9
Resetting the Thermostat
5.8
Filter Check Monitor (see section 4.3.3 for setting)
The Filter Check Monitor displays a reminder for required filter replacement or cleaning, by
flashing the FILT segment in the display. See instructions on your filter or heating/cooling
unit for recommendations for interval setting.
This thermostat requires two (2) properly installed "AA"
alkaline batteries to provide power for the thermostat
to properly control the system operation.
This thermostat is equipped with a low battery
detection feature that constantly monitors the batteries
during normal operating mode to determine whether
they have sufficient power to provide proper operation.
When this feature determines that the battery status is low, a low battery indicator will
appear in the display. It is recommended that the batteries be replaced immediately to
maintain system operation and and program settings.
When the selected interval has been reached, and required
cleaning or replacement has been performed, press the
RETURN button in any normal mode to reset the timer and
turn off the warning.
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