Mitsubishi ECODAN 11.2kW air source heat pump

[Keith Emerson]

I wish to replace my existing oil fired boiler (probably with a Mitsubishi heat pump). The Loxone system currently intelligently controls our zoned underfloor heating and hot water. I believe that Loxone recommend using MODBUS for the controlling the system interface. Has anyone any experience/advice for integrating a Misubishi air source heat pump with the Loxone system.

[Nick Everard]

I did have a Mitsubishi EcoDan heat pump, which I simply use two relays to request heat for ground floor or first floor. It’s been operating for 5 years without any issues. I am not controlling the heating curve which I always expected to need to do but it works well ok. . 

[gck]

I have an ecodan. Works very well. 

Strongly recommend the a1m ModbusRTU device for the ecodan. I then have a MOXA RTU to TCP adapter. The I use the Modbus tcp interface within the mini server. 

This means I do not need to run Modbus cable from the ecodan controller to the mini server. Instead I just use cat5. Plus, the loxone Modbus extension is crazy expensive. 

Let me know if you need more. 

I also have a spare Moxa MB3170. 

George 

Sent from my phone. 

Keith Emerson <emer...@gmail.com> 3 May 2024 at 11:43:38 wrote:

I wish to replace my existing oil fired boiler (probably with a Mitsubishi heat pump). The Loxone system currently intelligently controls our zoned underfloor heating and hot water. I believe that Loxone recommend using MODBUS for the controlling the system interface. Has anyone any experience/advice for integrating a Misubishi air source heat pump with the Loxone system. --
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