User Manual

5. Key Operation Instruction
5.3 Setup Flow Chart
When the controller is working normally, short press “ ”
key for one time, then the heating differential ( HD) will be
displayed; short press “ ” for one time, then the cooling
differential (CD) will be displayed. The screen will return to
normal display mode after 2 seconds.
5.2 How to Set Parameters
When the controller is working normally, press “SET” key
for over 3 seconds to enter parameters set up mode. “SET”
indicator lamp will on. PV window displays the first menu
code “TS”, while SV window displays according setting
value. Press “ SET ” key to go to next menu and display
accordin
g menu code, press “ ” key or “ ”key to set
current parameter value.
After setting done, press “SET” key for 3 seconds at any
time to save the parameters change and return to normal
temperature display mode. During setting, if there is no
operation for 10 seconds, the system will quit setting
mode and return to normal temperature display mode
without saving the parameters change.
4
Press “SET” key for over
3 seconds to enter
paramerers set up mode.
3S
AL
99 °C
PT
-40 °C
TS
HD
CD
AH
Temperature
Set Value
Heating
Differential
Value
Temperature
Calibration
Compressor
Delay
25°C
2.0°C
2.0°C
3 minute
CA
Temperature
Unit
Cooling
Differential
Value
Alarm High
Limit
SET
Working
Normally
0 °C
CF
C
3S
SET
SET
SET
SET
SET
SET
SET
SET
Alarm Low
Limit