GREE Multi Variable Air Conditioners Indoor Unit
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4.3.1 Master IDU Settings
The master IDU can be set through the wired controller or remote controller. The methods for setting
the master IDU through the wired controller are as follows:
Method 1:
Step 1: Set an IDU to power-off status.
Step 2: Press and hold the "MODE" button on the wired controller for more than five seconds.
Step 3: Check whether the setting is successful. If it is, "MASTER" on the wired controller will be on.
Otherwise, repeat steps 1 and 2.
In power off status Press “MODE” for 5 seconds
“MASTER” is on when the master indoor unit is successfully set.
Method 2:
Step 1: Press and hold the “FUNCTION” button for five seconds in power-on or power-off status to
enter the parameter query interface.
Step 2: Press and hold the “FUNCTION” button for five seconds in "C00" status to enter the
parameter setting interface.
Step 3: Press “▲” or “▼” to switch level 2 parameter codes till “P10” is displayed on the temperature
area.
Step 4: Press the “MODE” button to set the parameter to "01" and then Press the “SWING/ENTER”
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