About Advanced Features & Operation
Page 19
CLOCK BACKUP - In the event of a power loss, the thermostat’s internal
clock will continue to keep proper time for a minimum of 48 hours without
external power or batteries.
DEADBAND OPERATION - Controls up to two Heat and two Cool stages
(please see the diagram on the next page).
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 #7, page 15),
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 #7, page 15),
This 1st stage deadband is adjustable from 1-6 degrees and the
default is two degrees.
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.
Place the thermostat
in the OFF mode.
MODE
Pm
OFF
Mo
I2:00
72
88
88
88
unoccupied
Program
Fan On
Service Filter
On
Am
Pm
C
OOL
H
EAT
Override
Locked
ONOFF
AUTO
Stop
Start
Setup
SuMoTuWeThFrSa
123
I2:00
Press the MODE button
once. 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.
MODE
72
Pm
OFF
Mo
I2:00
72
Press and hold the
MODE button. While
holding the MODE
button, press and
hold the DOWN button
for 5 seconds. All
icons will appear
on the display.
MODE
