2.PressSETTIME/TEMPbuttononceto flashcurrent
selectionof1.2.3,4,5,6,7,8,or9 onlargedisplay.
Factorydefaultis3.
3.Useupanddownbuttonstomovebetweenavailable
choices.
4.PressSETTIME/TEMPbuttonagaintoflashuppersmall
displayforselectionofanotheroption,orpressENDto
exitconfigurationmode.
Option 2--Clean Filter Timer
Select hours of blower operation (heating, cooling, or fan) before
CLEAN FILTER icon is displayed. With OFF selected, icon will
never come on, disabling this feature. Time selection can range
from 400 to 3600 hr by selecting numbers 1 through 9. (Time is
400 X number selected.) Factory default is 2 (800 hr).
Recommended selections are disposable filter--400 to 800 hr,
media filter--1200 to 1600 hr, or electronic air cleaner--1600 to
2400 hr of blower operation.
TO SELECT OR ADJUST
1. Enter configuration mode if not already there. See Step 4
"To Enter Configuration Mode." Use up and down
buttons to make small (now flashing) display indicate 2.
2. Press SET TIME/TEMP button once to flash current
selection of OF (off), 1, 2, 3, 4, 5, 6, 7, 8, or 9 on large
display. Factory default is 2.
3. Use up and down buttons to move between available
choices.
4. Press SET TIME/TEMP button again to flash upper small
display for selection of another option, or press END to
exit configuration mode.
Option 3--English/Metric
Select between Fahrenheit and Celsius operation. Factory default
is Fahrenheit.
TO SELECT OR ADJUST
1. Enter configuration mode if not already there. See Step 4
"To Enter Configuration Mode." Use up and down
buttons to make small (now flashing) display indicate 3.
2. Press SET TIME/TEMP button once to flash current
selection of F or C. Factory default is F.
3. Use up and down buttons to move between F and C on
large display.
4. Press SET TIME_EMP button again to flash upper small
display fnr selection of another option, or press END to
exit configuration mode.
Option 4--Fan (G) On With W
This selection determines whether fan (G) output is to be ON or
OFF when any W (furnace or strip heat) output is ON. Most
furnaces and fan coils manage their own blowers and do not
require separate G signal. For these applications, select OFF.
Some auxiliary heaters require separate G signal to turn on
blower. In this case, select ON. Factory default is OF (oft').
TO SELECT
1. Enter configuration mode if not already there. See Step 4
"To Enter Configuration Mode." Use up and down
buttons to make small (now flashing) display indicate 4.
2. Press SET TIME/TEMP button once to flash large display.
3. Use up or down buttons to alternate between OF (oft') and
ON on large display. Factory default is OF (oft').
4. Press SET TIME_EMP button again to flash upper small
display for selection of another option, or press END to
exit configuration mode.
Option 5 Variable-Speed (ICM) Blower
If furnace or fan coil contains a variable-speed (ICM) blower, set
this option to ON. For normal (PSC) blowers, set to OF (off).
This selection enables system to use special features available
only in units with an ICM blower. Factory default is OF (off).
TO SELECT
1. Enter configuration mode if not already there. See Step 4
"To Enter Configuration Mode." Use up and down
buttons to make small (now flashing) display indicate 5.
2. Press SET TIME/TEMP button once to flash large display.
3. Use up or down buttons to alternate between OF (off) and
ON on large display. Factory default is OF (off).
4. Press SET TIME/TEMP button again to flash upper small
display for selection of another option, or press END to
exit configuration mode.
Option 6--Cooling Lockout Below 55 °F
This option disables cooling when outdoor temperature is below
55 °F. It requires an outdoor temperature sensor. Set to OF (off) to
allow cooling below 55°F. Set to ON to prevent cooling below
55 °F. Factory default is OF (off).
TO SELECT
1. Enter configuration mode if not already there. See Step 4
"To Enter Configuration Mode." Use up and down
buttons to make small (now flashing) display indicate 6.
2. Press SET TIME/TEMP button once to flash large display.
3. Use up or down buttons to alternate between OF (off) and
ON on large display. Factory default is OF (off).
4. Press SET TIME/TEMP button again to flash upper small
display for selection of another option, or press END to
exit configuration mode.
Option 7 Variable-Speed Superdehumidify
This option requires prior selection of variable-speed (ICM)
blower (Option 5). When selected, this option operates blower at
further reduced airflow from that of normal dehumidification
when there is a dehumidification demand without a cooling
demand, achieving maximum humidity removal with minimum
cooling. It is done by supplying blower with a Y signal and no G
signal on a call for cooling. Not all products with ICM blowers
have this feature. Check Installation Instructions for ICM air
handler used. Select OF (off) for normal operation (Y and G
supplied on a cooling call). Select ON for super dehumidification
(Y with no G on a dehumidify only call). Factory default is OF
(off).
TO SELECT
1. Enter configuration mode if not already there. See Step 4
"To Enter Configuration Mode." Use up and down
buttons to make small (now flashing) display indicate 7.
2. Press SET TIME/TEMP button once to flash large display.
3. Use up or down buttons to alternate between OF (off) and
ON on large display. Factory default is OF (off).
4. Press SET TIME/TEMP button again to flash upper small
display for selection of another option, or press END to
exit configuration mode.
Option 8---Auxiliary Heat Lockout Setting
This option requires prior selection of heat pump (DIP switch
1--ON). It allows selection of an outdoor temperature of 5°F
through 55W (or equivalent values in C), or OF (off). Auxiliary
heat (furnace in Hybrid Heat applications) is prevented from
operating for outdoor temperatures above selected temperature. If
OF (oft`) is selected, auxiliary heat (furnace if Hybrid Heat)
operation is allowed at all outdoor temperatures. If selected,
emergency heat (EHEAT) overrides this feature. Factory default
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