Gree GKH12K3CI Installation And Operation Manual page 26

Cassette type air conditioner
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Note: It will take about 5 seconds to save all the information, therefore, please do not cut down the
power at this time, or it may fails.
7.15.3 Enquiry of Outdoor Ambient Temperature
Under on or off state of the unit, press Enter/Cancel button for 5s, outdoor ambient temperature
will be displayed at temperature displaying location after a sound of click. This enquiry state will quit
by pressing any button. If there is not any operation for 20s, it will automatically quit.
Note:
1. This function will be shielded after energization of 12hr for some models of the units without
outdoor ambient sensors. Please refer to Instruction for details.
2. If malfunction of outdoor ambient sensor occurs, this function will be shielded in 12hr.
7.15.4 Selection of Centigrade and Fahrenheit
Under off state of the unit, press Mode and ▼ at the same time for 5s, the displayer panel will
switch between Centigrade and Fahrenheit.
7.15.5 Master/Slave Wired Controller Setting
Under the off status of the unit, press "Enter/cancel" and "Mode" at the same time for 5 seconds to
go to the master/slave wired controller setting interface, and then press ▲ or ▼ to make the adjustment.
In this case, only in the temperature display is there numbers displayed, 01 for the master wired
controller and 02 for the slave wired controller.
After that, press "Enter/cancel" to save the setting and quit this interface. If there is not any
operation in 20 seconds on this interface after the last button press, the system will quit automatically to
the normal off status without saving the current setting.
Note: If there is only one wired controller, it only can be set as the master; otherwise the unit won't
run normally.
7.15.6 Gate-control Display Function *
If there is gate control system, the unit can run after plugging in card and stop after pulling out the
card.
If memory function is on, the unit after plugging out of card and then plugging in will run
according to the memory. If the card is not plugged in (or poor plugging), the mark
the unit will be turned off.
If memory function is off, the unit after plugging out the out will be turned off and the mark
will show. If re-plugging in the card, the mark will disappear and the unit enter will enter off state.
Note:
1. During long-distance monitoring, the unit on /off cannot be controlled by the card, but the mark
will also show after plugging in the card.
2. The unit cannot be controlled by button operation after plugging out the card.
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