Fedders E1FC418N6G, Service Manual

Page: 59 / 75

F12
IX. Sleep Function
Sleep function is only selectable in manual operation, but it is not available in dry and fan
modes. When this function is selected, the Indoor Fan immediately runs at low speed, all
timer functions will be overridden and disabled at the same time.
In cool or auto-cool mode ,
One hour after Sleep function is selected, the temperature set point will be raised by 1ºC.
Two hours later, the set temperature will be raised by another 1ºC.
Eight hours after selection of Sleep function, the air-con will be switched OFF.
Set point + 2
Set point + 1
Set point
0 hour 1st hour 2nd
hour
3rd hour 4th hour 8th hour
Air-con OFF
------------------->
Actions of Sleep function in cool mode
In heat or auto-heat mode (applicable on Heat Pump Unit only) , one hour after Sleep
function is selected, the temperature set point will be lowered by 1ºC.
Two hours later, the set temperature will be lowered by another 1ºC.
Eight hours after selection of Sleep function, the air-con will be turned OFF.
Set point
Set point - 1
Set point - 2
Air-con OFF
------------------->
Actions of Sleep function in heat mode
In
auto-dry mode ,
Eight hours after the selection of Sleep function, the air-con will be turned OFF.
When the air-con is switched OFF by the sleep function, it will not be turned on again unless
explicitly switched on by the user.
This function can be de-selected if the "SLEEP" button is pressed again. It will also be de-
selected if the mode of operation is changed or when the air-con is switched OFF.