Commercial Controls

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Commercial Controls

DIII-MODBUS ADAPTER

The DIII-NET/Modbus Adapter enables the connection of VRV system through Modbus communication to an automated frontend system. With this adapter, third-party controllers can monitor and control VRV indoor units through the RS485 Modbus Protocol. This adapter can be mounted to the VRV outdoor or indoor unit. A maximum of 2 outdoor units and 16 indoor units can be connected to the adapter.

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Overview

Model Compatibility

For use with the following VRV outdoor unit models: RXYQ_TTJU, RXYQ_TYDN, RXYMQ_PVJU*

For use with all VRV indoor unit models and the following SkyAir indoor units: FAQ, FBQ, FCQ, FHQ, FTQ

For use with the following Daikin Ductless indoor unit models: CDXS, CTXS, FDXS, FTXS, FTXN (FTXN requires KRP980B1/2 interface adapter) with the use of the KRP928BB2S (DIII-Net Adapter)

*Notes:
1. Outdoor unit models not listed above will require a separate 
16 VDC field supplied power supply and mounting box.

2. For outdoor units not listed above the adapter may be mounted in the indoor unit and used to provide 16 VDC to the adapter.

Features & Specs
Warranty & Documents
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Features & Specs

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Features

The DIII-NET/Modbus Adapter enables the connection of VRV system through Modbus communication to an automated frontend system. With this adapter, third-party controllers can monitor and control VRV indoor units through the RS485 Modbus Protocol. This adapter can be mounted to the VRV outdoor or indoor unit. A maximum of 2 outdoor units and 16 indoor units can be connected to the adapter.

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