Honeywell PC8900A Manual page 30

10. Programming the System Setting
a. Press SYSTEM until desired setting ( HEAT, OFF,
COOL, AUTO, EM HEAT ) is displayed.
SYSTEM
CHECK
SYSTEM
SET SYSTEM
HEAT OFF COOL
CLOCK HEAT OFF COOL
SELECT
PERIOD HUMIDITY
CANCEL
HEAT : The Comfort Center™ program controls the
heating system.
OFF : Both the heating and cooling systems are off.
OFF flashes in the display.
COOL : The Comfort Center™ program controls the
cooling system.
AUTO :
The Comfort Center™ program automatically
changes between heating and cooling,
depending on the indoor temperature. (AUTO
must be configured by the installer.)
EM HEAT: (Select Models Only): The Comfort Center™
program controls only the emergency heat.
11. Programming Humidity Setting
a. Press HUMIDITY. The display shows HUMID with a
percentage.
SYSTEM
CHECK
HUMIDITY
SET SYSTEM
CLOCK HEAT OFF COOL DAY
SELECT
PERIOD HUMIDITY
TIME
TIME
CANCEL
b. Press and hold the up or down arrowhead key until
desired humidity setting is displayed. The available
choices range from 10 to 80 percent in 5 percent
increments.
SYSTEM
CHECK
SET SYSTEM
CLOCK DAY
HEAT OFF COOL
SELECT
PERIOD HUMIDITY
TIME
TIME
CANCEL
12. Programming Frost Setting (If Applicable)
a. Press HUMIDITY a second time and the display
shows FROST .
SYSTEM
CHECK
HUMIDITY
SET SYSTEM
CLOCK DAY
HEAT OFF COOL
SELECT
PERIOD HUMIDITY
TIME
TIME
CANCEL
NOTE: The factory setting is 5, but the range is 0 to
10. When there is too much condensation,
lower the number but if the air is dry, change
the setting to a higher number.
b. Press up or down arrowhead key until the desired
setting is displayed.
SYSTEM
CHECK
SET SYSTEM
CLOCK
HEAT OFF COOL DAY
SELECT
HUMIDITY
PERIOD TIME
TIME
CANCEL
68-0173—3
SYSTEM
FAN HEAT/COOL
DAY AUTO ON CIRC SETPOINTS
VENTILATE HOLD
TIME
TIME
RUN
M6227
FAN HEAT/COOL
AUTO ON CIRC SETPOINTS
VENTILATE HOLD
RUN
FAN HEAT/COOL
SETPOINTS
AUTO ON CIRC
VENTILATE HOLD
RUN
FAN HEAT/COOL
SETPOINTS
AUTO ON CIRC
VENTILATE HOLD
RUN
FAN HEAT/COOL
SETPOINTS
AUTO ON CIRC
VENTILATE HOLD
RUN
c. Press RUN to exit the program mode.
RUN
The Comfort Center™ program is now customized.
Operating the Comfort Center™ Control
System
Changing Current Period Settings
Temporary changes to the current period allow for those times
when someone comes home early, stays up late, or plans an
evening out. The settings are in effect until the next regularly
scheduled period starts.
1. Temperature Setpoint
a. Press HEAT/COOL SETPOINTS to display either
HEAT SET PT (if changing heat setpoint) or COOL
SET PT (if changing cool setpoint).
HEAT/COOL
SETPOINTS
b. Press and hold up or down arrowhead key until the
M6228 desired temperature is displayed.
2. Fan Setting
a. Press FAN to display the AUTO, ON or CIRC fan
M6229
setting, as desired.
FAN
AUTO ON CIRC
3. Ventilation Setting
a. Press VENTILATE to display VENT or not, as
M6239
desired.
VENTILATE
Changing Settings for One Week or Less
This feature allows setting one temperature that the Comfort
Center™ program holds continuously for up to one week, until
the day and time programmed.
M6240
30
SYSTEM
CHECK
SET FAN
SYSTEM HEAT/COOL
CLOCK SETPOINTS
HEAT OFF COOL DAY AUTO ON CIRC
MON
SELECT
HUMIDITY VENTILATE HOLD
PERIOD TIME
TIME
CANCEL RUN
SYSTEM
HEAT SET PT COOL
CHECK
SET FAN
SYSTEM HEAT/COOL
CLOCK SETPOINTS
HEAT OFF COOL DAY AUTO ON CIRC
SELECT
HUMIDITY VENTILATE HOLD
PERIOD TIME
TIME
CANCEL RUN
SYSTEM
HEAT SET PT COOL
CHECK
SET SYSTEM FAN HEAT/COOL
CLOCK HEAT OFF COOL DAY AUTO ON CIRC SETPOINTS
SELECT
PERIOD HUMIDITY VENTILATE HOLD
TIME
TEMPORARY
TIME
CANCEL RUN
SYSTEM
CHECK
SET SYSTEM FAN HEAT/COOL
CLOCK
HEAT OFF COOL DAY AUTO ON CIRC SETPOINTS
SELECT
HUMIDITY HOLD
PERIOD VENTILATE
TIME
TIME
RUN
CANCEL
SYSTEM HEAT SET PT COOL
CHECK
SET SYSTEM FAN HEAT/COOL
CLOCK DAY SETPOINTS
HEAT OFF COOL AUTO ON CIRC
SELECT
HUMIDITY VENTILATE HOLD TEMPORARY VENT
PERIOD TIME
TIME
CANCEL RUN
AM
M6230
M6209
FAN
AUTO
M6216
FAN
AUTO
M6221
FAN
AUTO
M6224