Venstar T1100RF - Manual (Page 17)

DEADBAND OPERATION - Controls up to two Heat and two Cool stages
(please see the diagram below).
And
The 2nd Stage of heat or cool is turned on when:
(A) The 1st Stage has been on for a minimum of two minutes.
(B) The temperature spread from the setpoint is equal to or greater
than: the setpoint plus the 1st stage deadband (step #6, page 13),
plus the 2nd stage deadband. This 2nd stage deadband is fixed at
two degrees and is not adjustable.
The 1st Stage of heat or cool is turned on when:
(A) The temperature spread from the setpoint is equal to or greater
than: the setpoint plus the 1st stage deadband (step #6, page 13).
This 1st stage deadband is adjustable from 1-6 degrees and the
default is two degrees.
Heat
Setpoint
Cool
Setpoint
Deadband Deadband Deadband Deadband
db 1 db 1 db 2 db 2
(adj. 1-6 ) (adj. 1-6 )
1st Stage
turn on
2nd Stage
turn on
1st Stage
turn on
2nd Stage
turn on
Heating Cooling
TEMPERATURE DECREASE INCREASE
(non-adj. 2 ) (non-adj. 2 )
About Advanced Features & Operation
Press button.
While holding the
MODE button,
press and hold
the DOWN button
for 5 seconds.
All of the icons will appear on
the display.
and hold the MODE
Place the
thermostat in
the OFF mode.
Press the MODE button twice. The
thermostat temperature will be
displayed and
may be calibrated
using the UP or
DOWN buttons
After calibration is complete, press
the MODE button
once to save your
changes and
return to normal
operation.
CALIBRATION - Under normal circumstances it will not be necessary to
adjust the calibration of the temperature sensor. If calibration is
required, please contact a trained HVAC technician to correctly perform
the following procedure.
Press
MODE
Press
MODE
Press
MODE
88
88
H EAT
C OOL
OFF
AUTO
Fan On
Program
Locked
Setup On
o
o Am
Pm
I8 88
88
:
Day
Night
Evening
Morning
SuMTuWThFSa
OFF
Pm
I2 00
70
:
Su
70
OFF
Pm
I2 00
70
:
Su
Press
MODE
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