Sleep; Power-Off Memory Function; Led Display Module Control; Buttons - Gree GVH48AH-M3DNA5A Service Manual

3.3 Sleep

If the controller is in cooling or dry mode, after the sleep function is started, Tpreset will be increased but it won't increase
over 3 . Then the unit will run at the increased temperature.
If the controller is in heating mode, after the sleep function is started, Tpreset will be decreased and it won't decrease over
3 . Then the unit will run at the decreased temperature.
3.4 Timer
Timer ON and timer OFF can be set by remote controller or buttons and the setting range is 0.5~24hrs.
3.5 Buzzer
Upon energization and operation, the buzzer will give out a beef.

3.6 Power-off Memory Function

Memory content: mode, up&dwon swing (7 statuses), right&left swing (ON/OFF), setting temperature, setting fan speed, health,
light, timer. After power failure, the unit will run according to the memory content automatically when power recovered. If
energize the unit after power failure and the unit is turned on before power failure, the compressor will be delayed for 3mins for
protection; if the unit is turned off before power failure, the compressor won't be delayed for 3mins for protection. If the timer is
reached before power failure, the unit will run according to the mode before power failure after power recovered; if the timer
isn't reached, the timer will be continued and time will be recalculated.

3.7 LED Display Module Control

1. Indicator control
Indicator will be in red when the unit is in standby status and it will turn to green when the unit is turned on. When any one of
the circumstances as below occurs, the green indicator will blink: compulsory heating, compulsory cooling, defrosting,
antifreezing protection, overcurrent protection, high/low voltage protection of compressor, high temperature protection of
discharge pipe.
2. Use the light button on remote controller to turn off the LED display: When cancel the "light" by remote controller, the
complete display screen will go out except the running indicator.

3.8 Buttons

ON/OFF button: This button is used for control the on/off of controller. After each pressing of this button, the on/off status
will be changes for once.
Mode button: After pressing the mode button, it will be selected and display as: auto—cooling—drying—fan—heating (not
available for cooling only unit).
+and – buttons: This two buttons are used for adjusting temperature and timer;
Up&down button: This button is used for control the up&down swing motor and it will be selected and displayed as: angle
1→angle 2→angle 3 →angle 4→angle 5→to-and-fro swing →stop swing.
Fan speed button: fan speed will be selected as: auto—low—medium—high—super-high;
Right&left swing button: This button is used for control the on/off of right&left swing motor. After each pressing this button,
the on/off status of the right&left swing motor will be changed for once.