4. Indicator light status description
Indicator light
Symbol
Status
Meaning
Setting
Set
ON
Parameter setting
OFF
Status of temperature measuring and
controlling
Refrigeration
ON
Refrigeration work
OFF
Refrigeration stop
FLASH
Refrigeration time delay
Defrost
ON
Defrost work
OFF
Defrost stop
5. Keys function
5.1 Key description
Keys
Function
Set
Enter the status of parameter setting
Switch between menu and parameter
▲
Adjust menu and parameters; open/close
lighting
▼
Adjust menu and parameters
；
Press more than10 to execute parameter
one-key recovery
Exit from parameter setting
View evaporator sensor temperature
Press 3s to start forced defrost
Exit from one-key recovery status
5.2 Keys operation
6.2.1 Parameter adjustment
In the status of temperature measuring and controlling, press
Set
key for three seconds to enter user
menu, display St, press Set key again, display the parameter value of St, then you could set
temperature value by pressing
▲ or ▼ key.
When display St, press
▲ key, display Po, press Set key, display 00, then press ▲or▼
to input the menu password of administrator. After finishing input, press Set key, display Po. The
controller will automatically verify the correctness of password, if correct, then it enters to administrator
menu, press
▲or▼ to select all parameter items St
、
Po
、
C1
、
C2……U3; if password incorrect, the
controller will only stay at the parameter of St and Po, and it could not display other parameters items.