GREE ELECTRIC GUHD09NK3CO Service Manual page 57

4.4.8 Sleep Setting
Sleep on: Press Function button under on-state of the unit into sleep function and then press Enter/cancel button to
turn on sleeping function.
Sleep off: During sleep on-state, press Function button to go to the sleep function and then press Enter/cancel button
to turn off this function.
Sleep setting is shown as Fig.4.4.8:
Sleep setting is clear after power failure and then power recovery. There is not sleep function in fan and auto mode.
Note: In cooling and dry mode, if the unit with sleep function has run for 1 hour, the preset temperature will be
increased by 1°C and 1°C in another 1 hour. After that, the unit will run at this temperature. In heating mode, if the unit
with sleep function has run for 1 hour, the preset temperature will be decreased by 1°C and 1°C in another 1 hour. After
that, the unit will run at this temperature.
Fig.4.4.8 Sleep setting
U-Match Series DC
Inverter Service Manual
54