Heat pump automation in 2021

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phrozenpenguin

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#2655530 12-Feb-2021 22:51

I also have Daikin with their wifi controller connected to Home Assistant (and exposed into iOS Home app) and it works well. The wifi controller is installed in and powered by the heatpump, so it is a super clean "invisible" install.

chevrolux

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#2655548 13-Feb-2021 08:54

ajobbins: I can only help with Mitsubishi units, don't any answers for anything else.

Essentially an ESP8266 (or ESP32), some code and parts can be made to interface with the Mitsi serial protocol.

I have 1x spare one here made up

This sounds dam exciting!!

I have a plenty of 8266's and a Mitsubishi heat pump.

Are there some links you could point me to?

billgates

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#2655549 13-Feb-2021 09:07

Ww had the Mitsubishi Wifi interface card installed in our ducted unit. It works really great and the app is very easy to use. I wish we were also able to control our lossnay unit but there seems to be no remote control support for this.

Do whatever you want to do man.

networkn

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#2655554 13-Feb-2021 09:46

Can you add the Wifi to a Daikin Unit post installation easily?

mattenz

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#2655559 13-Feb-2021 10:11

I have seens some talk of Intesis, no direct experience though.

mulac

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#2655622 13-Feb-2021 12:07

chevrolux:
ajobbins: I can only help with Mitsubishi units, don't any answers for anything else.

Essentially an ESP8266 (or ESP32), some code and parts can be made to interface with the Mitsi serial protocol.

I have 1x spare one here made up

This sounds dam exciting!!

I have a plenty of 8266's and a Mitsubishi heat pump.

Are there some links you could point me to?

I followed this guide here: https://github.com/geoffdavis/esphome-mitsubishiheatpump

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chevrolux

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#2655799 13-Feb-2021 19:58

So my unit doesn't have that CN105 connector. Lame.

Guess I'm off to grab a sensibo after all!!

SumnerBoy

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#2655828 13-Feb-2021 21:33

networkn:

Can you add the Wifi to a Daikin Unit post installation easily?

I did this to my Daikin, but it was an ethernet device so potentially a different story with the WiFi module.

It was a bit tricky but I managed to do it myself with the included instructions.

dolsen

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#2655852 13-Feb-2021 22:38

chevrolux: So my unit doesn't have that CN105 connector. Lame.

Guess I'm off to grab a sensibo after all!!

Is it a Mitsubishi Heavy Industries heat pump with a CNS connector instead? If so, the following has worked for me.

https://github.com/rjdekker/MHI2MQTT

fe31nz

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#2655875 14-Feb-2021 01:26

mattenz:

I have seens some talk of Intesis, no direct experience though.

We have a Panasonic CS-Z21RKR in our kitchen with an Intesis PA-AC-WIFI-1A attached. It works well, but does not allow remote use of the latest features on this model, such as iAuto-X mode. And I do not like having to have the data sent to the cloud. I have it integrated into Home Assistant using a 3rd party plugin and that now works well too. I think Intesis have now renamed things a bit from Intesis Home to Intesis AC Cloud Control. It is a separate box that plugs into an internal plug in the heat pump. I have it BluTacked next to the heat pump on the right and its external antenna BluTacked to the left of the heat pump. As usual, it is only 802.11n. It has an internal web server that it runs when reset, allowing you to connect to it and put in the configuration for it to connect to your WiFi. Intesis still seem to be updating the firmware - they email a few days before it happens to let you know. I have had no outages with it except for the firmware upgrades. They are not cheap, but do the job well.

prob

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#2668792 6-Mar-2021 10:59

Using Home Assistant with custom IR blaster for my Panasonic units. This implementation uses an IR receiver to keep Home Assistant and your remote in synch.

https://github.com/hristo-atanasov/Tasmota-IRHVAC/

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phrozenpenguin

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#2670785 10-Mar-2021 00:19

networkn:

Can you add the Wifi to a Daikin Unit post installation easily?

@networkn yes it is straightforward provided you are happy with a screwdriver and taking the casing off the indoor unit. Disconnect mains power (likely at switchboard) first. The wifi unit is powered by the heatpump so no additional AC adaptor required and it can be stored in the unit (there is space). I have done it with mine and can confirm what model if required. It is much tidier than the IR methods and integrates nicely with Home Assistant if that is required.

acetone

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#2670788 10-Mar-2021 00:44

networkn:

Can you add the Wifi to a Daikin Unit post installation easily?

Yes. I have the wireless addition to my Daikin and the installer just takes the cover off and connects the wireless unit up.
I would like to second and third the other posts about Daikin. They are great heat pumps and when I was looking (5 years ago) their wireless option was the best fit for my automation purposes.

No extra boxes required to be plugged in somewhere pointing at the unit like some other solutions require.

I wrote my own code to talk to the Daikin unit, very simple HTTP requests.

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