About advanced features & operation, Page 17, I2:00 – Venstar T1050 User Manual
Page 18: I8:88
About Advanced Features & Operation
HEAT/COOL DIFFERENTIAL - The Heat and Cool setpoints will not be
allowed to come any closer to each other than the value set in Advanced
Setup step #7, on page 12. This minimum difference is enforced during
Auto-changeover and Program On operation.
Note: To increase the spread between the heating and cooling set-
points, press the MODE button until only the heat setpoint is displayed;
adjust to the desired setpoint. Press the MODE button until only the
cool setpoint is displayed; adjust to the desired setpoint. Press the
MODE button again to enter the Auto-changeover mode where both the
heat and cool setpoints are displayed.
OFF
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88
H
EAT
C
OOL
ONOFF
AUTO
Fan On
Program
Locked
Setup
On
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Am
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Day
Night
Evening
Morning
SuMoTuWeThFrSa
OFF
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MEMORY BACKUP - In the event of a power loss, the thermostat will
retain the stored program settings without external power or batteries.
Page 17
WARNING: This will reset all Time Period and Advanced Programming to
the default settings. Any information entered prior to this reset will be
permanently lost.
FACTORY DEFAULTS -
settings back to the factory default settings, follow the instructions below.
If, for any reason, you desire to return all the stored
Place the therm-
ostat in the OFF
mode.
Press
MODE button.
While holding the
MODE button, press
and hold the DOWN
button for 5 sec-
onds. All icons will
appear on the display.
and hold the
After all of the icons
appear, release the
MODE and DOWN
buttons. Then press
and hold the FAN
button for 5 seconds.
After the letters Fd
appear on the display
(Factory Default),
release the FAN
button. Press the
MODE button twice
to return to normal
operation.
MODE
MODE
MODE
FAN