Gree GMV5 Series Service Manual page 310

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
Note
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7. Remote Monitoring System Debug
After the remote monitoring system is installed and connected, follow the procedure below
to debug it.
7.1 Cooling System Debug
Before debugging air conditioners, set the air conditioning systems first, including:
Step 1: Set the master ODU for the single system network and the centralized control address for the
multi-system network.
①Check the DIP switch of the master ODU for each cooling system. For details, refer to
part II ―Introduction of Unit Function‖ in chapter II product debug.
②For the multi-cooling system network, check the address DIP switch of each cooling
system. For details, refer to part II ―Introduction of Unit Function‖ in chapter II product
debug.
Step 2: Set offset of IDU numbers.
1. After multi-system connection and debug, press SW3 on the master ODU whose
centralized control address is 0. The system enters function selection state and the
following is shown on the master ODU:
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