506228−01 05/09
Page 14
Options tabInstaller Settings
(continued)
RESIDUAL COOL
default is zero seconds. This is the time, in sec-
onds, that the fan runs after a call for cooling is satisfied in order to deliv-
er any residual cooling ability from the coil and ductwork into the condi-
tioned space. Scroll to RESIDUAL COOL; press ENTER. Use arrows
to select seconds: 0, 30, 60, 90, and 120; press SAVE.
RESIDUAL COOL
DEFAULT(OS)
6OS
LOW BALANCE POINT
default 25°F (heat pump only, and if outdoor
sensor installed). If outdoor temperature is below programmed Low
Balance Point, compressor heating is not allowed. Use arrows to select
OFF or any point from −20°F to the High Balance Point setting in 1.0°F
steps; press SAVE.
LOW BALANCE POINT
DEFAULT(25
°
F)
25
°
F
HIGH BALANCE POINT
default is 50°F (heat pump only, and if out-
door sensor installed). If outdoor temperature is above the High Bal-
ance point, then auxiliary heat is not allowed. High Balance Point can-
not be set closer than 2°F above the Low Balance Point. For example, if
LBP is 25°F, HBP must be at least 27°F. Use arrows to select OFF or
any point from the Low Balance Point up to 75°F in 1.0°F steps; press
SAVE.
HIGH BALANCE POINT
DEFAULT(5O
°
F)
45
°
F
DEADBAND
default is 4°F. The deadband setting is the minimum dif-
ference between the cooling and heating setpoints. This setting is used
in autochangeover mode to ensure smooth equipment operation and
allows for flexibility in Humiditrol
®
EDA operation. The deadband is ad-
justable from 3 to 8°F.
DEADBAND
DEFAULT(4
°
F)
5
°
F
SMOOTH SET BACK
(SSR) default is OFF. When enabled, smooth
set back begins recovery up to 2 hours before the programmed time so
that the programmed temperature is reached at the corresponding pro-
grammed event time. Assume 12°F per hour for first stage gas/electric
heating and 6°F per hour for first stage compressor based heating or
cooling. With Smooth Set Back disabled, the control will start a recov-
ery at the programmed time. Scroll to SMOOTH SET BACK; press EN-
TER. Use arrows to select between ON or OFF. Press SAVE.
SMOOTH SET BACK
DEFAULT(OFF)
ON
NOTE − Smooth Set Back and STG2 Lock Out operations vary de-
pending on equipment. See table 1 on Page 15.
SSR STG2 LOCK OUT
[not available if SMOOTH SET BACK is
OFF] default is 20 minutes. Scroll to SSR STG2 LOCK OUT; press EN-
TER. Use arrows to select OFF or the number of minutes before the
programmed event time that stage 2 is allowed to operate (OFF or 20 to
120 minutes in 10 minute increments). Press SAVE.
SSR STG2 LOCK OUT
DEFAULT(2OMIN)
4OMIN
HUMIDITY SETTING
See separate sections − Humidification
(Page 19) and Dehumidification (Page 21).
STAGE DELAY AND DIFFERENTIAL SETTINGS
The differential or
delay settings in the Installer Settings menu are:
STG DELAY TIMERS
STG 1 DIFF
STG 2 DIFF
STG 2 DELAY
STG 3 DIFF
STG 3 DELAY
STG 4 DIFF
STG 4 DELAY
H/C STGS LOCKED IN
STG 2 HP LOCK TEMP
See Page 24 for more stage delay and differential
details.
