Gree GUHD09NK3FO Service Manual page 28

Notes: The following functions can be set through Function and Timer buttons: setting of ambient temperature
sensor, selecting three speeds in high speed and three speeds in low speed of indoor fan motor, display setting
of freeze protection error code, setting of cold air prevention and hot air hot prevention function, setting of
refrigerant-lacking protection function, selecting of blowing residual heat of indoor unit, selecting of compressor
electric heater mode, selecting of low-power consumption mode, selecting door control function, selecting
human sensitive function, long-distance monitoring, temperature compensation value at the air return port.
3.2.3 Setting of Wired Controller's Address
3.2.3.1 Enquiry and Setting of Wired Controller's Address
Under off state of the unit, press Function and Mode buttons at the same time for 5s to enter setting
Debugging Function 4.9.10. When the selection in 4.9.10 is 00, address of centralized controller is to be set and
the address setting range is 01~16; when the selection in 4.9.10 is 01, address of long-distance monitor is to be
set and the address setting range is 01~255.
Enquiry and setting of wired controller's address is shown as Figure 2-3-4 below:
Figure 2-3-4 Enquiry and setting of wired controller's address
3.2.3.2 Setting of Master/Slave Wired Controller's Address
Under off status of the unit, press Enter/Cancel and Mode buttons at the same time for 5s to go to the
enquiry and setting interface of master/slave wired controller. In this case, LCD displays wired controller's
is set, the icon will be displayed.
Note: If there is only one wired controller, it only can be set as the master; If there are two wired controllers, one
should be the master and the other should be the slave.
Setting of master/slave wired controller's address is shown as Figure 2-3-5 below:
U-Match Series DC
Inverter Service Manual
25