Gree GMV-PD100W/NAB-K, Service Manual

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DC Inverter Multi
VRF Service Manual
DPOUSPM
2) DIP1 setting
The 8-bit DIP switch in the communication module is for Modbus equipment address setting. It is
integrated by SA2 and SA3 on PCB, but marked by DIP1. Dialing to ON means 0, and dialing to number end
means 1. The address setting range is 1-64 (communication module address).
Fig. 7.2.7.3 DIP1 setting
(1) Graphic example for setting of address 11
Fig. 7.2.7.4 Address 11
(2) Graphic example for setting of address 43
1
Fig. 7.2.7.5 Address 43
7.2.7.2 Debugging
After address setting of communication module, check if the setting is correct through the region no. on
the centralized controller. For example, the address is set to “01”, the centralized shall display region no. “01”.
If the region no.“01” is not displayed, it proves that the setting is incorrect. You should reset the address no.
according to the Comnunciation Module Instruction and DIP table.
After normal communication between centralized controller and communication module, an Installation
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inconsistent with that of the installed indoor units, address setting the communication module and connection of
the communication wire shall be checked again.
Fig. 7.2.7.6