Low Temperature Drying Function; Lock Function; Memory Function; Door Control Function/Human Sensitive Function - Gree GUHD09NK3FO Service Manual

U-Match Series DC
Inverter Service Manual
(1). If cleaning time is not reached, no mater the setting is changed or not, the accumulated operating time
won't be recalculated when pressing Enter/Cancel button;
(2). If cleaning time is reached, in unit on or off state,
button to switch to
the accumulated operating time won't be cleared (If the adjusted level is higher than the present accumulated
operating time, the icon won't blink any more; if the adjusted level is lower than the present accumulated
operating time, the icon will go on blinking).
(3).
reminder function. The
case, the accumulated operating time will be cleared.

4.2 Low Temperature Drying Function

set temperature will be 12°C. In this case, the unit will enter low temperature drying function.
drying function.

4.3 Lock Function

on Lock function. LCD will display
When Lock function is turned on, any other buttons won't respond when pressing. The function can be
memorized after power failure and then power recovery.

4.4 Memory Function

function. If memory function is set,
recovery.
If memory function is set, indoor unit will resume original setting state after power failure and then power
recovery.
Note: If cut off power with 5s after memorized content is changed, the memorized content may be abnormal.
Do not cut off power within 5s after memorized content is changed.

4.5 Door Control Function/Human Sensitive Function

Door control function or human sensitive function can be selected (More details please refer to Debugging
Function). These two functions can't be turned on at the same time.
When door control function is selected, the wired controller will work when the room card is inserted and
stop working when the room card is not inserted; when human sensitive function is selected, the wired controller
will work when it senses there is somebody in the room and stop working when it senses there is nobody in the
room. When the door control function senses the room card is not inserted or human sensitive function senses
there is nobody in the room, the wired controller will display
Note:
In long-distance monitoring or centralized control, no matter the room card is inserted or not, the ON/OFF
of unit can be controlled. If long-distance monitoring or centralized control information is received when the
room card is not inserted,
be turned on. If long-distance monitoring or centralized control information is received when the room card
is inserted, it will keep the original status.
The unit can not be controlled by buttons when the card is not inserted.
When door control function and human sensitive function have been set at the same time, it is defaulted
that door control function is valid and human sensitive function is invalid.

4.6 Switch between Fahrenheit and Centigrade

Fahrenheit and Centigrade.

4.7 Enquiry of Ambient Temperature

Under off or on state of the unit, press it for 5s to view the ambient temperature. In this case, timer zone
displays ambient temperature type 01 or 02. Ambient temperature zone displays the corresponding temperature
of that type. 01 stands for outdoor ambient temperature and 02 stands for the indoor ambient temperature after
compensation. Press Mode button to switch between 01 and 02. Pressing other buttons except Mode button
or receiving remote control signal will exit enquiry state. If there is no operation within 20s will also exit enquiry
state.
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icon will be on.
is displayed. If not, indoor unit is defaulted to be off after power
icon is cleared. When the card is reinserted, door control function is judged to
will blink every 0.5s for reminder. Press Function
icon.