https://github.com/martinstafford/daikin_d3net

Home Assistant Daikin DIII-Net Modbus Integration
https://github.com/martinstafford/daikin_d3net

daikin home-assistant home-automation modbus

Last synced: 4 months ago
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Home Assistant Daikin DIII-Net Modbus Integration

• Host: GitHub
• URL: https://github.com/martinstafford/daikin_d3net
• Owner: martinstafford
• Created: 2024-09-21T01:04:00.000Z (7 months ago)
• Default Branch: main
• Last Pushed: 2024-12-07T03:50:29.000Z (5 months ago)
• Last Synced: 2024-12-07T04:17:54.459Z (5 months ago)
• Topics: daikin, home-assistant, home-automation, modbus
• Language: Python
• Homepage:
• Size: 2.71 MB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# daikin_d3net

## Overview

Home Assistant Daikin DIII-Net Modbus Integration.

Home Assistant custom component to integrate with the Daikin DTA116A51 DIII-Net/Modbus Adapter.

Developed against a VRV IV-S system, DTA116A51 and Modbus RTU/TCP gateway. Currently only supports communication over Modbus TCP. No current support for hot water functions.

Enumerates units attached to DIII-Net bus, provides Climate entities for each.

## Communication Specification

Communication details are based on the [Daikin Design Guide Modbus Interface DIII](https://www.daikin-ce.com/content/dam/document-library/Installer-reference-guide/ac/vrv/ekmbdxb/EKMBDXB_Design%20guide_4PEN642495-1A_English.pdf).

## Screens

![Integration](/images/integration.png)

![Device List](/images/devices.png)

![Device Details](/images/device.png)

## Hardware

[Example DIY hardware implementation](hardware.md)