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Programmable Dehumidification
Optimal Dehumidification Mode
(OPTM DHUM)
(User Menu step 6)When turned on
this feature automatically reduces
indoor humidity if humidity is 2%
above setting. Humidity is set by
pressing the HUMIDITY button
when in the appropriate mode, in this
case Cooling, and pressing the
or buttons to set desired
humidity level followed by pressing
RUN
PROGRAM. This dehumidifi-
cation feature may use more energy
by making dehumidification a priority
initiating a call for cooling if humidity
is 2% above desired setting. This
feature may also over-cool the
condition space by up to 3 degrees to
achieve the desired humidity level.
Fahrenheit or Celsius
Temperature Display.
(User menu, Step 7) This thermostat
is factory set to display temperature in
Fahrenheit. If you prefer, you may
configure the thermostat to display
Celsius. See the CONFIGURATION
Section, page 5.
Single Period Fan Control.
(User menu, Step 8) This feature
allows you to have the fan run for a
predetermined period of time by
pressing the FAN key twice within 1.5
seconds. If a time is set in the User
menu (page 4, step 8) the display will
show FAN, # hrs and PRG FAN ON
for six seconds. After six seconds the
display will continue to indicate PRG
FAN ON for the time period selected.
After this time period, the fan will
return to normal operation. To return the
fan to normal operation before the end of
the time period, press the FAN button.
Beeper on.
(User menu, Step 9) The thermostat
has a beeper that will emit a tone when
any key is pressed. In the user menu, the
BEEP feature can be turned OFF using
or to provide silent key
operation.
Heat Fast.
(User menu, Step 10) This feature,
when set to ON, will bring the second
stage of heating on any time you
manually raise the temperature three or
more degrees above room temperature.
If HEAT FAST is set to OFF, the
thermostat will delay the second stage
from 0 to 30 minutes based on how well
the first stage is keeping up with your
setting.