One/Two Wired Controller Controlling Multiple Idus - Gree GMV-S120WL/A-S Service Manual

When two wired controllers control several indoor units, wired controllers can be connected
with any one of the indoor units, which are required to be of the same series. One and only one of
the two wired controllers shall be set as the secondary wired controller. The number of indoor units
controlled by wired controller cannot exceed 16. All the connected indoor units must be in the
same network.
(1) The secondary wired controller can be set when unit is turned on or off.
(2) Keep pressing ―Function‖ button for 5 seconds on the wired controller that is to be set as
the secondary wired controller. Temperature zone will display ―C00‖. Continue to press
―Function‖ button for 5 seconds, and the parameter setting interface will be displayed.
The temperature zone will then display ―P00‖.
(3) Select code P13 by pressing ―‖ or ―‖. Press ―Mode‖ button to switch to parameter value
setting. When the parameter value is flickering, select code ―02‖ by pressing ―‖ or ―‖. Then
press ―Enter/Cancel‖ button to finish setting.
(4) Users can press ―Enter/Cancel‖ button to return to a previous stage until parameter
setting exits.
User parameter setting list is shown below:
Parameter Parameter
code name
GMV5 Home DC Inverter Multi VRF Units
Figure 4 One wired controller controlling multiple IDUs
Figure 5 Two wired controllers controlling multiple IDUs
Parameter
range
Default
value
187
Remarks