This thermostat is a simple-stage, electronic temperature controller. The large. The lighted LCD screen display is easy to read. The case is designed with fireproof ABS material for human engineering. The temperature sensor is waterproof with high quality, high-accuracy.
Large LCD screen
Display the sensed temperature, setting temperature, and custom icons on the display indicate working mode.
Panel inst ructions
View Setting Parameters
When the controller is working normally, short press SET and you can look at the parameter values in order.
How to change the temperature unit
To convert to Fahrenheit unit, press the
Notice: When the temperature unit has been changed, all the selling value will be recovered to factory settings.
Setup Flow Chart
Setting Other Functions
To set Low-temperature Alarm(AL). High-temperature Alarm(AH) Calibration(CA). Compressor Delay Starting(DP). use the method below.
For example
Users want to run cooling equipment when RV=28’C, and stop cooling equipment when PV=22’C, DP=3 minutes.
How to restore default settings
Keep pressing the SET key until connect the power to this device, controller will restore the factory setting after the BI- -sound.
Function range and the default setting
LCD Backlight Control
The screen defaults to be always on with the backlight. Press
Cooling Mode
Set RV(RUN temperature)> SV (STOP temperature), the temperature controller enters cooling mode. The LCD will display MODE COOLING. When PV(measuring temperature) is higher than RV, the cooling equipment start working, and run LED is turned on. When PV(measuring temperature) reaches to SV (STOP temperature), the cooling equipment stop working, and the stop LED is turned on.
Note: When run LED is flashing, it means the cooling equipment enters the compressor delay protection function.
Heating Mode
Set RV(RUN temperature) < SV (STOP temperature). the temperature controller enters heating mode. The LCD will display MODE: HEATING. When PV(measuring temperature) is lower than RV, the heating equipment start working, and run LED is turned on. When PV(measuring temperature) reaches to SV (STOP temperature), the heating equipment stop working, and the stop LED is turned on.
High/Low-Temperature Alarm (AH/AL)
When measuring temperature (PV) ~ high-temperature alarm value (AH), a high-temperature alarm will be triggered, the buzzer will alarm with the tone · bi-bi-bi”, press any key to cancel the alarm sound, if the user want to close the alarm, please reset the AH value or wait until PV is lower than AH. When measuring temperature (PV)::; low-temperature alarm value (AL), the low-temperature alarm will be triggered, the buzzer will alarm with tone ·bi-bi-bi · . press any key to cancel the alarm sound, if user wants to close alarm, please reset the AL value or wait until PV is more than AL.
Time of Compressor Delay Starting (DP)
Under refrigeration mode, after power on, if the measuring temperature (PV) is higher or equal to Run Temperature (RV), the cooling equipment won ·1 start refrigeration immediately, but it will wait for a delay time(DP) to work. When the time interval between two refrigeration operations is larger than the preset delay time, the equipment will start refrigeration immediately; when the time interval between two refrigeration operations is less than preset delay time. the equipment won ·1 start refrigeration until achieve the preset delay time. The delay time will be recorded at the moment that refrigeration stops.
Temperature Calibration (CA)
When there is a deviation between the current temperature and the actual temperature. use the temperature calibration function to correct the current temperature and actual temperature. Corrected Temperature = Temperature ( before Calibration) + Corrected Value(corrected value could be positive value, 0 or negative value)
Display in Fahrenheit or Centigrade unit (CF)
Users can select a display with Fahrenheit or Centigrade temperature values according to their own habits. Default setting is display with Centigrade temperature value.
The thermostat can be used to control a wide variety of simple-stage refrigeration and heating, or HVAC equipment. Typical applications include:
If you have a problem with thermostat. there’s usually a quick and simple solution.
Green LED flash when power on
It is a normal phenomenon, Delay Starting Protection function for Refrigerating Compressor is working. You could enter Setup Mode directly, or wait 3 minutes(base on OP setting value) until it doesn’t flash green light before setting the temperature controller.
Err Alarm
When temperature sensor is in short-circuited or open-circuited, the controller will prompt sensor fault mode, and the buzzer will alarm, and LED displays Err. Buzzer alarm could be dismissed by pressing any key. After faults solved, the system will return to normal working mode. So make sure that the sensor is plugged into the hole fully, if it displayed Err still, you can exchange another sensor.
HLAlarm
When the current temperature exceeds the measuring range (less than -40°C/ -40°F or higher than 120°C/248° F), the controller will prompt over-temperature alarm mode, and cancel all the actions. The buzzer will alarm, LED displays HL. The buzzer alarm could be dismissed by pressing any key. When the temperature returns to the measuring range, the system will return to normal working status
Heating and refrigeration equipment don’t work
The DIGITEN products are guaranteed to the original owner for one year against defects in workmanship and materials. Please contact us:
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