Mitsubishi Electric CITY MULTI PAR-40MAAU Instruction Book page 16

Basic operations
Auto (dual set point) and Setback modes:
temperature, indoor unit will automatically operate in either the cooling or heating mode and
keep the room temperature within the preset range.
Differences between the two modes
The set temperatures that are specified for the Cool/Drying mode and the Heat mode will
be used to automatically control the room temperature to stay within the set temperatures.
This mode is especially effective during the in-between seasons, when the temperature
difference between the highest and the lowest is large and both heating and cooling
modes are used within the same day.
Set temp.
Set temp.
Setback mode
Room temperature is controlled to stay within the set temperature range that is specified
for the Setback mode. By leaving sufficient temperature differential between the set
room temperature within the specified range without overworking the air conditioners.
This setting will be especially effective during periods of non-occupancy.
Set temp.
Set temp.
16
Heat Cool
Operation pattern during Setback mode
Heat Cool
The room temperature
changes corresponding
to the change in the
outside temperature.
Room
temperature
Heat
The room temperature
changes corresponding
to the change in the
outside temperature.
Room
temperature
Heat
Cool
Cool