T8611G CHRONOTHERM® IV DELUXE PROGRAMMABLE HEAT PUMP THERMOSTATS
Using Thermostat Keys (Fig. 6)
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
•display outdoor temperature (select models),
•set the system operation,
•set the fan operation.
NOTE: Always press the keys with your fingertip or sim- ilar blunt tool. Sharp instruments like a pen or pencil point can damage the keyboard.
SETTINGS
System and Fan Settings
The system default setting is Heat and the fan default setting is Auto. Use the System and Fan keys 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.
System settings control the thermostat operation:
Em Heat: Emergency heat relay is on continuously. Thermostat cycles highest stage of heat. Cooling system is off. Compressor is
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:
On: Fan operates continuously.
Auto: Fan operates with equipment.
LED Indication
Two LED indicators are located in the upper right of the thermostat. They indicate when a Check or Fail signal is sent to the thermostat from the system. See Fig. 8.
INCREASE TIME SETTING | SET WAKE TIMES |
OR SCROLL FORWARD | AND SETPOINTS |
THROUGH INSTALLER SETUP |
|
AND SYSTEM TEST |
|
SET CURRENT |
|
DAY AND TIME |
|
RETURN TO |
|
NORMAL |
|
OPERATIONS |
|
SET LEAVE TIMES | SET RETURN TIMES |
AND SETPOINTS | AND SETPOINTS |
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
ENTER |
|
|
|
INDEFINITE |
|
| Time |
OR TIMED | Run | Set Current |
|
HOLD MODE | Program | Day/Time |
|
| Hold Temp | Day |
|
SET CURRENT OR |
|
|
|
PROGRAM DAY |
| Daylight | Copy |
|
|
| Time |
CHANGE BETWEEN |
|
DAYLIGHT SAVINGS |
|
AND STANDARD TIME | COPY ONE PROGRAMMED |
| |
| DAY TO ANOTHER DAY |
Set Program
Wake Leave Return Sleep
Heat/Cool | System | Fan | |
Settings | |||
|
|
DECREASE TIME SETTING OR SCROLL BACKWARD THROUGH INSTALLER SETUP AND SYSTEM TEST
SET SLEEP TIMES
AND SETPOINTS
SELECT FAN
OPERATION
SELECT SYSTEM
OPERATION
CHANGE BETWEEN HEATING AND COOLING
SETPOINTSM14624
Fig. 6. T8611G key locations and descriptions.
TWO LED INDICATORS 
|
| Time | Set Program |
| |
Run | Set Current | Wake | Leave | Return | Sleep |
Program | Day/Time | ||||
Hold Temp | Day | Heat/Cool |
|
| System |
Settings |
| System | Fan | ||
| Daylight | Copy |
|
|
|
| Time |
|
|
|
|
|
|
|
|
| Fan |
M14625
Fig. 7. Thermostat System and Fan key locations.
M10675A
Fig. 8. LEDs location.
3 |