Gree GKH18D3FI, Service Manual, Page: 48 / 191

U-Match Series DC Inverter Service Manual
45
In order to achieve this function, set the address mode and address through wired controller. Please
refer to Point 3 for the setting method. The address mode is defaulted to be connecting to centralized
controller mode and the defaulted address is 1;
When the centralized controller is connected, centralized control of the unit can be realized to control
unit ON/OFF, operation mode, set fan speed/temperature and weekly timer.
(3) Setting method:
Firstly, set the address mode of wired controller into centralized controller address mode. The setting
method is:
1) Under off state of the unit, press Function and Timer buttons at the same time for 5s to go to
the debugging menu. Press Mode button to adjust to “10” in temperature displaying zone.
Time
r zone displays setting state and press ▲ or ▼ button to adjust. There are 2 selections:
①
Centralized controller address mode (LCD displays 00)
②
Long-distance control address mode (LCD displays 01)
Choose the first selection and then press Enter/Cancel button to save and exit setting. Now, the
address of wired controller is set to match the address of centralized controller. The unit will memorize this
setting status. The setting value will be memorized after power failure. The detailed setting is as shown in
the Figure below:
Figure 2-7-12
2) Address setting of each unit: when the address mode is set to be centralized controller address
mode. The address setting value range is 01~16. The setting method is: