User’s Guide
Programmable H/C 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: Dual energy
Backlight
The screen is lit for 12 seconds when any button is pressed. However, the screen remains lit while you are configuring the controller.
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 system is in automatic mode, disappears when it is in manual mode)
Indoor temperature
Cooling is On
System operating mode
Fan operating mode (ap- pears when the fan is in continuous mode, disap- pears when it is in automat- ic 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. NOTE: For
•In continuous mode, the fan runs continuously and the 
sym- bol is displayed. NOTE: if Smart Fan is enabled, when the con- troller is in periods 2 and 4 of automatic mode and in unoccupied mode, the fan will run only when heating or cooling is activated. The fan will run continuously the rest of the time
The controller normally displays the measured indoor temperature. To view the setpoint, press one of the 
buttons. The setpoint and the 
symbol will be displayed 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.
The system is in automatic changeover mode. (The system
AUTO switches between heating mode and cooling mode to main- tain the desired temperature.)
OFF The system is off.
The system is in emergency heat mode. Only auxiliary heat-
EHEAT ing is used when there is a call for heat. (This mode applies only when the controller is connected to a heat pump
equipped with auxiliary heating).
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