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• Press the Fan/Setting button again – “Heat” and the set-point temperature for heating in
economy mode will appear on display.
• Using the “+” and “-‘” buttons, adjust the set-point temperature for heating in economy mode.
(Range: 10ºC÷20ºC, 50ºF÷68ºF).
• Press the Fan/Setting button again – “F1” or “F2” will appear on display.
• Using the “+” and “-‘” buttons select between:
F1 – Open fresh air damper by time
If selected:
Press the Fan/Setting button again – “00” will appear on display.
Using the “+” and “-“ buttons adjust the numbers of minutes for the fresh air
damper to be open (within a hour). Example: “00” – the fresh air damper
will be close all time, “60” – the fresh air damper will be open all the time.
F2 – Open fresh air damper by temperature (T1 and T2 sensors must be connected to
the main board).
If selected:
The fresh air damper will open according to the temperatures measured
In Cooling:
When T1-T2>5.5ºC (10ºF) the fresh air damper opens.
When T1-T2<1.5ºC (3ºF) the fresh air damper closes.
In Heating:
When T2-T1>5.5ºC (10ºF) the fresh air damper opens.
When T2-T1<1.5ºC (3ºF) the fresh air damper closes.
• Press the Fan/Setting button again – “F” or “C” will appear on display.
• Using the “+” and “-“ buttons select temperature scale – Fahrenheit or Celsius.
• Press the Fan/Setting button again to return to normal display.