Settings - Honeywell CHRONOTHERM IV DELUXE T8624D Product Data

T8624D CHRONOTHERM

SETTINGS

Using Thermostat Keys
The thermostat keys are used to:
• set current day and time,
• program times and setpoints for heating and cooling,
• temporarily override program temperatures,
• display present setting,
• configure Installer Setup,
• check System Test,
• display outdoor temperature (select models),
• set the system operation,
• set the fan operation.
See Fig. 6 for the location of the keys.
System and Fan Settings
The system default setting is Heat and the fan default setting
is Auto. Use the System and Fan keys or switches to change
the settings. See Fig. 7. The fan settings can be set for each
program period individually. The system selection is for all the
program periods.
INCREASE TIME SETTING
OR SCROLL FORWARD
THROUGH INSTALLER SETUP
AND SYSTEM TEST
SET CURRENT
DAY AND TIME
RETURN TO
NORMAL
OPERATIONS
ENTER
INDEFINITE
OR TIMED
HOLD MODE
SET CURRENT OR
PROGRAM DAY
CHANGE BETWEEN
DAYLIGHT SAVINGS
AND STANDARD TIME
COPY ONE PROGRAMMED
DAY TO ANOTHER DAY
68-0166—1
®
IV DELUXE PROGRAMMABLE THERMOSTAT
SET WAKE TIMES
AND SETPOINTS
Time
Set Current
Run
Program Day/Time
Hold Temp
Day
Daylight
Copy
Time
Fig. 6. T8624D key locations and descriptions.
System settings control the thermostat operation as follows:
Heat: The thermostat controls the heating.
Off: Both the heating and cooling are off.
Cool: The thermostat controls the cooling.
Auto: The thermostat automatically changes between
heating and cooling operation, depending on the indoor
temperature.
Fan settings control the system fan as follows:
On: Fan operates continuously.
Auto: Fan operates with equipment.
Time
Run Set Current
Program Day/Time
Hold Temp Day
Daylight
Copy
Time
Fig. 7. T8624D System and Fan key locations.
SET LEAVE TIMES
AND SETPOINTS
SET RETURN TIMES
AND SETPOINTS
Set Program
Wake Leave Return Sleep
Heat/Cool
System Fan
Settings
CHANGE BETWEEN HEATING
AND COOLING SETPOINTS
DECREASE TIME SETTING OR SCROLL
BACKWARD THROUGH INSTALLER
SETUP AND SYSTEM TEST
6
Set Program
Wake Leave Sleep
Return
Heat/Cool
System Fan
Settings
M15042
INCREASE TEMPERATURE
SETTING OR SCROLL
FORWARD THROUGH
INSTALLER SETUP OPTIONS
DECREASE TEMPERATURE
SETTING OR SCROLL
BACKWARD THROUGH
INSTALLER SETUP OPTIONS
DISPLAY INFORMATION
SUCH AS PRESENT
SETTINGS AND OUTDOOR
TEMPERATURE
SET SLEEP
TIMES AND
SETPOINTS
SELECT FAN
OPERATION
SELECT SYSTEM
OPERATION
M10405A
System
Fan