Gree GKH12K3CI Installation And Operation Manual page 38

SLEEP mode operation procedure
When the unit is cooling or drying, if SLEEP operation is set, TEMP. would increase 1
and 2 in 2 hours. Indoor fan motor runs at low speed.
℃
When the unit is heating , if SLEEP operation is set, TEMP. would decrease 1
in 2 hours. Indoor fan motor runs at low speed.
35
℃ in 1 hour
in 1 hour and 2
℃ ℃