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Choose the System Setting
(Cool, Off, Heat, Em, Auto)
Press the SYSTEM key to select:
Cool: Thermostat controls only the cooling system.
Off: Heating and Cooling systems are off.
Heat: Thermostat controls only the heating system.
Em: Setting is available only when the thermostat is confi g-
ured in HP1 or HP2 mode.
Auto: Auto Changeover is used in areas where both heating
and cooling may be required on the same day. AUTO allows
the thermostat to automatically select heating or cooling
depending on the indoor temperature and the selected heat
and cool temperatures. When using AUTO, be sure to set the
Cooling temperatures more than 1° Fahrenheit higher than
the heating temperature.
Manual Operation for
Non-Programmable Mode
Press the SYSTEM key to select "Heat" or "Cool" and use
the keys to adjust the temperature to your desired setting.
After selecting your desired settings you can also press the
SYSTEM key to select AUTO to allow the thermostat to auto-
matically change between "Heat" and "Cool".
Manual Operation (Bypassing the Program)
Programmable Mode
Manual operation will bypass the program and allow you to
adjust the temperature as you desire. The temperature you
set in Hold will be maintained indefi nitely. Press
or to
adjust the temperature. The HOLD key will appear. Press the
HOLD key. "Hold At" will appear next to the setpoint tem-
perature and the thermostat will maintain the new setpoint
temperature until Run Schedule is pressed to resume pro-
gram operation.
Program Override (Temporary Override)
Press or keys to adjust the temperature. This will over-
ride the temperature setting for a (default) four hour override
period. The override period can be shortened by pressing
or lengthened by pressing
. Program Override period can
range from 15 minutes to 7 days.
Example: If you turn up the heat during the morning program,
it will be automatically lowered later, when the temporary hold
period ends. To cancel the temporary setting at any time and
return to the program, press Run Schedule.
If the SYSTEM key is pressed to select AUTO the
thermostat will change to "Heat" or "Cool", whichever
ran last. If it switches to "Heat", but you want "Cool", or it
changes to "Cool", but you want "Heat", press both keys
simultaneously to change to the other mode.
OPERATING YOUR THERMOSTAT
Cooling/Dehumidifi er
1. Press SYSTEM to select "Cool".
2. Press to adjust the thermostat setting below room tem-
perature. The blower should come on immediately on high
speed, followed by cold air circulation. The display should
show "System On". If the setpoint temperature display is
fl ashing, the compressor lockout feature is operating (see
Confi guration menu, item 5).
3. Adjust temperature setting to 3° below room temperature.
The second stage cooling should begin to operate and the
display should show "System On +2".
4. Press
to adjust the temperature setting above room
temperature. The cooling system should stop operating.
To check the dehumidifi er when System On appears and
the cooling system is running press *HUMIDITY button once.
Press
to adjust the humidity 2% or more below the room
humidity level. DeHum On will appear indicating it is calling
for the dehumidifi cation.
If the room humidity is lower than the adjustment range, press
to 40% and hold it for four seconds. This will force the
DeHum On for one complete cooling cycle to test the dehu-
midifi cation equipment.
After adjusting the humidity setting the display will return to
temperature in approximately 10 seconds. To switch the dis-
play back to temperature immediately after adjusting humidity
setting press HUMIDITY again.
*Note: If Auto Schedule is displayed instead of Humidity, Auto
Schedule must be turned off in the Confi guration Menu.
Choose the Fan Setting (Auto or On or Prog)
There are three fan features on the 1F95-1291:
1. Fan Auto/On – Traditional Fan Settings
Press Fan to select Auto or On. The most commonly
used setting is Auto. Fan Auto runs the fan only when
the heating or cooling system is operating. Selecting Fan
On runs the fan continuously for increased air circulation
or to allow additional air cleaning if the system is equipped
with an Electronic Air Cleaner.
2. FAN Prog – Comfort Circulating Fan Feature
Pressing FAN until FAN Prog appears activates the Com-
fort Circulating Fan Option. This causes the thermostat to
cycle the fan on for 10 minutes and off for 20 minutes if the
thermostat has not called for heat or cool during the past
60 minutes. This assures moderate air circulation even
when the heating and cooling equipment is not cycling.
3. FAN On Prog. – Programmable Fan
FAN On Prog indicates that a time period has FAN Prog
selected in the Set Schedule mode (see Programmable
Fan Option). The fan will run continuously through the pe-
riod until the next period begins. To override FAN On Prog,
press the FAN key to select Auto for the fan to run only
when the heating or cooling system is operating.
Tip: Running the fan more frequently will increase your
energy consumption. Most systems use a 1/2 or 1/3 HP
electric motor to power the fan.