③C/F display conversion function button:
Set the conversion degrees Celsius / Fahrenheit display, each press this button, the display window will
be into degrees Celsius or Fahrenheit.
④ Display window:
Display the upper zone temperature
⑤ Display window:
Display the middle zone temperature
⑥ Display Window:
Display the lower zone temperature
⑦ Function setting button:
temperature set by buttons ⑧ and ⑨
For temperature setting, press this button to select a zone, selection window will flash the
⑧ Temperature setting up button
By pressing the ⑦ function setting button to select a zone, press the temperature setting up button 1 time,
the temperature will increase 1 degree Celsius.
⑨Temperature setting down button
By pressing the ⑦ function setting button to select a zone, press the temperature setting down button 1 time,
the temperature will decrease 1 degree Celsius.