Gree GWHD(48S)NM3CO Service Manual page 39

3.1.3 Operation Instructions
1) On/Off
Press On/Off to turn on the unit and turn it off by another press.
2) Mode Setting
Under the "On" state of the unit, press Mode to switch the operation modes as the following sequence:
Cooling-Dry-Fan-Heating.
3) Temperature Setting
Press ▲ or ▼ to increase/decrease the preset temperature. If press either of them continuously, the
temperature will be increased or decreased by 1℃ every 0.5s.
In the Cooling, Dry or Heating mode, the temperature setting range is 16℃～30℃.
In the Fan mode, the setting temperature is fixed at 26℃.
In the Auto mode, the setting temperature is unadjustable.
4) Fan Setting
Under the "On"/"Off" state of the unit, press Fan and then fan speed of the indoor unit will change circularly.
5) Timer Setting
Under the "On"/"Off" state of the unit, press Timer to set timer off/on.
Timer on setting: press Timer, and then LCD will display "xx.x hour", with "hour" blinking. In this case,
press ▲ or ▼ to adjust the timing value. Then press Enter/cancel to confirm the setting.
Timer off setting: press Timer, if LCD won't display xx.x hour, and then it means the timer setting is
canceled.
Timer range: 0.5-24hr. Every press of ▲ or ▼ will make the set time increased or decreased by 0.5hr. If
either of them is pressed continuously, the set time will increase/ decrease by 0.5hr every 0.5s.
6) Swing Setting
Swing On: Press Function under on state of the unit to activate the swing function. In this case, it will blink.
After that, press Enter/cancel to make a confirmation.
Swing Off: When the Swing function is on, press Function to enter the Swing setting interface, with blinking.
After that, press Enter/cancel to cancel this function.
Notes:
a. Sleep, Save, Turbo, Blow or Quiet setting is the same as the Swing setting.
b. After the setting has been done, it has to press the key "Enter/cancel" to back to the setting status or quit
automatically five seconds later.
7) Sleep Setting
Sleep on: Press Function under on state of the unit till the unit enters the Sleep setting interface. After that,
press Enter/cancel to confirm the setting.
Sleep off: When the Sleep function is activated, press Function to enter the Sleep setting interface. After that,
press Enter/cancel to can this function.
Sleep off is default after power failure and then power recovery, and the sleep functions is unavailable under
the fan mode.
Sleep mode
In the Cooling or Dry mode, the temperature will increase by 1℃ after the unit runs under Sleep 1 for 1 hr
and 1℃ after another 1hr.After that, the unit will run at this temperature.
In the Heating mode, the temperature will decrease by 1℃ after the unit runs under Sleep 1 for 1hr and 1℃
after another 1hr. After that, the unit will run at this temperature.
Notes:
a. During the above setting, if Function is pressed down or there is not any operation within 5s, sleep curve
setting will be canceled.
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