User Manual

4. Key Instruction
PV: Process Value. Under working status, display current probe temperature. Under setting status, display
menu code.
SV: Set Value. Under working status, display set temperature (cut-off temp). Under setting status, display
set value of each parameter displayed in PV screen.
Heating Indicator: Heating equipment is working when the light in on.
Cooling Indicator: Refrigeration equipment is working when the light in on. When the light is flickering, the
compressor is under delay protection.
SET: Press SET for 3 seconds to enter settings menu. In the setting process, press SET once to change a
parameter. When you change the parameter, the value of the former parameter has been saved.
POWER: In setting process, press POWER once to save and quit. When its not in setting process, press
POWER for 3 seconds to turn off the controller. Then press POWER once again to turn it on.
UP: In setting process, press UP button to increase value of a parameter. Holding the button allows for
rapid number adjustments. When its not in setting process, press and hold UP button to check HD value
DOWN: In setting process, press DOWN button to decrease value of a parameter. Holding the button
allows for rapid number adjustments. When its not in setting process, press and hold DOWN button to
check CD value
SET+UP: Press SET and UP buttons for 3 seconds to enter advanced menu.
Restore default setting: Press SET and UP buttons for 3 seconds to enter advanced setting menu. Release
the buttons once the screen shows CF. Then press POWER. You’ll hear a click and all basic settings will be
restored to default (CF and ST in advanced menu will not be restored).
Alarm Switch: The alarm function is disabled by default. It will be enabled if you specify a value for AL or
AH. After alarm sounds, press any of the buttons to disable the alarm. Please note that in order to enable
the alarm function again, you need to cut off the power and turn on controller again.
Heating Device Socket: this socket is for heating equipment.
Cooling Device Socket: the socket is for refrigeration equipment.
NOTE: Its not a must to plug both heating and refrigeration equipment into the controller. You can use the
controller to control only one device.