TH146-P-DE
User’s Guide
Programmable Heat Pump Controller
Time and day setting
Programming
Program day selection
Program clear
Humidity setting 
Return 
Indicator LEDs
Temperature adjustment mode selection
Fan operating mode selection
System operating mode selection
Up/Down buttons
Indicator LEDs
FAULT: System fault
EH: Emergency heat mode
DE:
Backlight
During normal display, the screen illuminates for 12 seconds when any button is pressed. When the controller is being configured, the screen remains lit until it returns to normal display.
Day |
Clock |
Indoor temperature |
Indoor humidity |
Outdoor temperature |
5. General Setting
5.1 Clock and Day Setting
6.Temperature Setting
6.1 Display
nPress Clk. The hour display flashes. o Set the hour using 
.
p Press Clk. The minute display flashes. q Set the minutes using 
.
r Press Clk. The day display flashes. s Set the day using 
.
t Press 
to return to the normal display.
5.2 Date Setting
n | Press Clk for 3 seconds to display the year. | |
o | Set the year using | . |
Appears when the temperature setpoint is displayed
Heating is On
Auxiliary heating is On
Temperature adjustment mode (appears when the controller is in automatic mode, disappears when it is in manual mode)
Indoor temperature
Cooling is On
System operating mode
Fan operating mode (appears when the fan is in continuous mode, disappears when it is in automatic mode)
p Press Clk to display the month. | ||||
q Set the month using | . | |||
r Press Clk to display the date. | ||||
s Set the date using | . | |||
t Press |
|
| to return to the normal display. | |
|
| |||
5.3 Fan Operating Mode
Press the Fan button to select the fan operating mode.
•In automatic mode, the fan runs only when heating or cooling is activated.
•In continuous mode, the fan runs continuously and the 
sym- bol is displayed. NOTE: If the “smart fan” feature is enabled, the fan will run only when heating or cooling will be activated during unoccupied mode.
The controller normally displays the measured indoor temperature.
To view the setpoint, press one of the 
buttons. The setpoint will be displayed along with the 
symbol for the next 5 seconds.
6.2 System Operating Mode
Press Mode to place the system in one of the following modes:
HEAT | The system is in heating mode. | |
COOL | The system is in cooling mode. | |
AUTO | The system is in automatic changeover. (The system | |
switches between heating mode and cooling mode to | ||
| maintain the desired temperature.) | |
OFF | Both heating or cooling are off. | |
EHEAT | The system is in emergency heat mode. Only auxiliary | |
heating is used when there is a call for heat. | ||
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11/29/06 | 7/9 |