Gree GMV-PD100W/NAB-K Service Manual page 48

DC Inverter Multi
VRF Service Manual
Fig.7.2.6.2 Connection Manner of Crystal Connector, Communication Line and Magnetic Ring
Fig.7.2.6.3 Connection Location of Crystal Connector, Communication Line and Magnetic Ring
After completion of installing centralized controller and matched communication modules, the technician
shall set address and perform debugging of the communication modules to ensure normal communication.
7.2.7 Debugging
In order to ensure normal operation of the centralized controller, the address of communication module
shall be set after installation work. (Refer to Communcation Module Instruction for details.) Fill in the Installation
Table (refer to table 3)
7.2.7.1 Address setting of communication module
Set the address of communication module by the DIP switch. (Before operating DIP switch, cut off the
power supply of communication module.)
The DIP switch for communication module:
1) DIP2 setting
Dial all the rods to ON (means 0), as shown in Fig.6.2.6.2
44
Fig.7.2.7.1 DIP switch
ON
1
23
DIP2
Fig.7.2.7.2 DIP2 setting