1.
Select cooling cycle rate
The
FA
setting is used to produce shorter cooling cycles.
The
SL
setting produces a longer cooling cycle. Both settings produce very accurate
temperature control and can be set to your personal preference.
FA
cycles the
system at a 0.5ºF (0.5ºC) differential, and
SL
cycles the system at 1.5ºF (1.5ºC).
2.
Select heating cycle rate
The
FA
setting is used to produce shorter heating cycles.
The
SL
setting produces a longer heating cycle. Both settings produce very accurate
temperature control and can be set to your personal preference.
FA
cycles the
system at a 0.5ºF (0.5ºC) differential, and
SL
cycles the system at 1.5ºF (1.5ºC).
3.
Select system heating type
Users can select the system heating type according to their heating
system. Select
0
for gas, oil, or electric heating systems. Select
1
for a heat pump
heating system.
4.
Select display backlight
The display backlight improves display contrast in low lighting
conditions. Select
1
for NO backlight display. Select
2
for the backlight to come on
for approximately 30 seconds when any button of the thermostat is touched.
Select
3
for the backlight to remain on continuously.
NOTE: When operated from batteries only, the LCD display backlight will be
illuminated less than 5 seconds after each button pressed ,when backlight option
are set to 2) or 3). Options 2) & 3) will operate the same when terminal “C” is not
connected.
5.
Select filter replacement run time
The thermostat will display the
Filter Alarm
after a set time of operation.
This is a reminder to change or clean your air filter. This time can be set from 0 to
12 months in 1 month increments. Selection of
00
WILL CANCEL THIS FEATURE.
When
Filter Alarm
is displayed, you can clear it by pressing the
button for 3
seconds (To enter filter program) and then hold the
▲
and
▼
buttons. This resets
the timer and starts counting the days until the next filter change.
6.
Select ºF
or
ºC
readout
Changes the display readout to Centigrade or Fahrenheit as required.
7.
Select temperature recalibration
This feature allows you to adjust the displayed room temperature up to
4º higher or lower. Your thermostat can be accurately calibrated to match your
previous thermostat. The current or adjusted room temperature will be displayed
on the display.
8.
Select compressor lockout delay
To protect the compressor from short cycling, you can select
compressor off-time cycle between
0
or
5
minutes. When the thermostat
compressor time delay occurs, the
Cool On
or
Heat On
display will flash during
compressor lockout.
-8-
Figure 4, Typical wiring diagram for heat/cool,
4 wire, single transformer system
Note* Jumper required in heat pump mode.
Figure 5, Typical wiring diagram for heat pump
with reversing valve
CHECK THERMOSTAT OPERATION-----------------------------------------------------------------------
If at any time during testing your system does not operate properly, contact a qualified
service person.
Turn on power to the system.
Fan Operation
Move the system switch to the
OFF
position. If your system does not have a “G” (Fan)
terminal connection, skip to the Heating System.
1.
Move the fan switch to the
ON
position. The blower should begin to operate.
2.
Move the fan switch to the
AUTO
position. The blower should stop immediately.
-5-
Heating System
950-0078-revI November 21, 2008
