GREE
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"
button. If the setting is successful, "MASTER" on the wired controller will be on.
Master IDU Display
① For IDUs connected with wired controllers, "MASTER" on the wired controller connected with
the master IDU will be on.
② For IDUs embedded or connected with LED panels, the operation LED on the LED panel of the
master IDU will blink three times.
Note: After the master IDU is successfully set, stick the "
for convenience of user operation and engineering maintenance. This flag is placed in the package bag
of the ODU.
GMV5 INDOOR UNIT SERVICE MANUAL
" flag to the wired controller or unit panel
MASTER
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