Gree U-Match 5 Series - 3. Troubleshooting; 3.1 Wiring Diagrams

GREE U-Match 5 SERIES UNIT SERVICE MANUAL
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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 controller of the unit can be realized to control unit
ON/OFF, operation mode, set fan speed/temperature and weekly timer.
(3) Setting method of centralized controller for up to 36 indoor units:
Firstly, set the address mode of wired controller into Long-distance control address mode. The setting
method is:
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. Timer zone displays setting state and
press ▲ or ▼ button to adjust. There are 2 selections:
A. Centralized controller address mode (LCD displays 00).
B. Long-distance control address mode (LCD displays 01).
Choose the second selection and then press Swing/Enter 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.
Address setting of each unit: when the address mode is set to be Long-distance control address mode. The
address setting value range is 01~36. The setting method is:
Under off state of the unit, press Function and Mode buttons at the same time for 5s to enter setting interface
of wired controller address. LCD displays address sequence. Press ▲ or ▼ button to adjust the address
sequence and then press Swing/Enter button to confirm. The setting value will be memorized after power failure.
When the address is set, the wired controller can be removed and connect the centralized controller to the
indoor mainboard. Then connect the required units to realize centralized control of these units.
Note:
①
The unit addresses in the same network must be different, otherwise, communication malfunction will
occur and the unit can not work normally.
②
When centralized controller is to be connected, the unit address range is 1-36. Only 36 sets of unit in
maximum can be connected.
③
The code and model of wired controller is as below:
Name Product code Remark
Centralized controller
CE52-24/F(C)
MC207052
Only 36 sets of unit in maximum can be
connected to this controller