Fan Mode; Auto Mode; Auto Button; Sleep Function - Gree GWH07NA-K3NNA4a Service Manual

Defrosting Conditions and Process
The unit with intelligent defrosting function can defrost accor ding to frosting conditions. Dual8 displays H1.
Protection Function
High Temp Resistance Protection
If it is detected that the evaporator tube temperature is superheating, the outdoor fan will stop working. When the tube temperat ure
resumes to normal condition, the outdoor fan will resume running.
Noise Silencing Protection
If the unit is stopped by pressing ON/OFF or during switchover of modes, the reversing valve will be stopped after 2 min.

(4)Fan mode

In this mode, indoor fan runs at setting speed, and the compressor, the outdoor fan, the four-way valve and the electric heatin g tube
will stop running.
In this mode, temperature setting range is 16 30 . Displayer displays running icons and the setting temperature.

(5)Auto Mode

In this mode, the air conditioner will automatically select its running mode (cooling, heating or fan) with the change of ambient
temperature. The displayer will display the running icons, actual running mode icon and setting temperature. There is 30s delay
protection for mode switching. Protection functions ar e the same as those in any other mode.
3 Other Control
(1)Timer function
The mainboard combines general timer and clock timer functions. Timer functions are selected by equipping remote controller with
different functions.
General Timer:
Timer ON can be set under off state of unit. If timer ON reaches, the controller will run under previous setting mode. Timing in terval
is 0.5hr and the setting range is 0.5-24hr.
Timer OFF can be set under on state of unit. If timer OFF reaches, the unit is turned off. Timing interval is 0.5hr within the range of
0.5-24hr.
Clock Timer:
If timer on is set under running state of unit, the system will continue running. If timer on is set under off state of unit, the system will
run in presetting mode when timer on reaches.
If timer off is set under off state of unit, the system will keep standby state. If timer off is set under on state of unit, the system will
stop running when timer off reaches.
Timer Change:
If the system is under timer state, the unit can be turned on/off by ON/OFF button of remote controller. Timing can also be reset a nd
then the system runs according to the final setting.
If timer on and timer off is set at the same time under running state of system, the system will keep present running state till t imer off
reaches and then it will stop running.
If timer on and timer off are set at the same time under off state of system, the system will keep stopping till timer on reache s and
then it will start running.
In the future, the system will run in presetting mode when timer on reaches and stop when timer off reaches every day. If timer o n
and timer off have the same setting, timer off is prevails.

(2)Auto Button

If press this button, the system will run in auto mode, and the indoor fan motor will run at auto speed; meanwhile, the swing mot or
will be running. Repress this button to turn off the unit.
(3)Buzzer
When the controller is energized or receives an y command or signal from the buttons or the remote controller, the buzzer will give
out a beep.

(4)Sleep Function

Choose
the sleeping curve according to the preset temperature.
(5)Turbo Function
This function can be set in cooling or heating mode.