Midea LRSJF-V120

M-thermal technical manual – part 3
Clock display
The clock display shows the current time.
Menu code and value
display
The first code and the second represent the first level
and the second level menu from the field set list.
The last two numbers indicate the value of the first and
the second code.
Operation lamp
The operation lamp lights in each mode.
Space cooling &
sanitary water heating
icon
These two icons indicate the current operation mode are
space cooling and sanitary water heating.
Space heating &
sanitary water heating
icon
These two icons indicate the current operation mode are
space heating and sanitary water heating.
Schedule timer OFF
icon
This icon indicates all the operations of the schedule
timer are inactive.
Lock icon
This icon indicates all the buttons of the controller are
locked except button
Not available icon
This icon is displayed whenever non-installed option is
addressed or a function is not available.
3.2 Setting Procedure
1 Press the button to enter FIELD SET MODE .
The SETTING icon will be displayed. The current selected field setting code is indicated “8-8-88”,
with the set value displayed as the last 2-digit number.
2 Press the button to select the appropriate field setting first code.
3 Press the button to select the appropriate field setting second code.
4 Press the and button to change the set value of the select field setting.
5 Save the new value by pressing the button.
6 Repeat step 2 through 4 to change other field settings as required.
7 When finished, press the button for the second time to exit.
Note: Please read the manual carefully to understand how to operate wire controller
3.3 Detailed description
a) Basic option
This part of field setting determines the basic option of the heat pump system, so that the control system can
select the appropriate control mode.
 “0-0” Under floor heating terminal: defines whether the system installations with under floor