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Part 3
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Additional Setup Information
The purpose of this section is to provide additional information to facilitate the setup of Reiri that
may not be able to explain in detail in previous sections of this Installation Manual.
4. DCPA01 Installation (to ODU/IDU)
The DCPA01 adaptor is an interface device to translate between DIII-Net and Modbus protocols for
DIII-Net enabled indoor unit monitoring and control.
Through Modbus communication, Reiri can stop the indoor unit operation, monitor and control the
operation mode, pre-set temperature, air flow rate and direction.
*NOTE: Total wiring length for RS-485 communication wire must be within 200m. Maximum 30
indoor units and 5 outdoor units able to connect to 1 DCPA01.