DC Inverter Multi
VRF Service Manual
65
CONTROL
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. 6.2.6.3 DIP1 setting
(1) Graphic example for setting of address 11
Fig. 6.2.6.4 Address 11
(2) Graphic example for setting of address 43
1
Fig. 6.2.6.5 Address 43
6.2.6.2 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 Table shall
be lled for check of information about each indoor unt. If the quantity of indoor units by check is inconsistent with that of
the installed indoor units, address setting the communication module and connection of the communication wire shall be
checked again.
Fig. 6.2.6.6
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