Add Weekly Schedule on/off control to module?

[tboyko]

If a weekly control (weekly schedule enable/disable) was added to this component, we could use Home Assistant to automatically turn on and off the recirculator pump based on geolocation. This would be great for those who are not on a typical home/away schedule or are often traveling.

I took a stab at this, and while I suspect it's relatively easy to add, I wasn't sure what device_info and channel_status attributes to target when extending switch.py, nor the best way to access an interactive prompt of sorts to explore the controls exposed by AWIoT.

[tboyko]

I tried putting around with NavilinkConnect() within navien_api.py but couldn't get past the following error when running .start() and ._get_channel_status_all() (thinking that the response may provide the necessary attribute):

Connection error during start up: 'AWSIoTMQTTClient' object has no attribute 'configureUsernamePassword'

I suspect this may be due to running the code outside of the home assistant code context.

I also stood up a home assistant dev instance via vscode and docker but experienced issues when adding the navien device through the UI. I unfortunately do not have the error message available now but it pertained to thread safety and would appear in the console after setting the desired refresh interval.

Any pointers from @nikshriv or others are appreciated.

[KenReneris]

I'm trying to do the same thing. I can get the module to run, but I can't figure out the magic request packet it needs. I tried a couple of command values based on guesses, but so far no luck.

[screwball571]

I would also love this feature!

[lurock]

I would love this feature too because when you disable the schedule your navien does a recirculation. This would get around the issue of navien not allowing you to have a manual hot button to recirculate and being able to have a schedule. I could then use home assistant to trigger a manual recirculation by disabling the schedule for 5 minutes and the enabling it again.

[tboyko]

You could also presumably create a schedule where the recirc is always off. Then, you could use Home Assistant to turn off the schedule when you actually wanted recirc on, and vice versa. The benefit of this over using the manual hot button approach is that the recirc pump would automatically kick in when the Navien detected the water temp had lowered, thus saving energy.

[tboyko]

@bakerkj appreciating that you didn't sign up to be the new maintainer, I do see that you've been active with your particular branch. Do you have any advice on how we might putt around and figure out the correct requests to the navilink service for this functionality?

[KenReneris]

I haven’t gotten around to trying but I was going to try installing the Android phone VM and see if I could debug & capture the NaviLink app’s packets being sent from within the process (before they hit ssh encryption). I’ve never debugged an Android phone app so I’m not sure if the simulator will allow that or not.

• Ken

From: Taylor Boyko @.> Sent: Sunday, May 5, 2024 10:47 AM To: nikshriv/hass_navien_water_heater @.> Cc: Comment @.>; Subscribed @.> Subject: Re: [nikshriv/hass_navien_water_heater] Add Weekly Schedule on/off control to module? (Issue #21)

@bakerkjhttps://github.com/bakerkj appreciating that you didn't sign up to be the new maintainer, I do see that you've been active with your particular branch. Do you have any advice on how we might putt around and figure out the correct requests to the navilink service for this functionality?

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[bakerkj]

@bakerkj appreciating that you didn't sign up to be the new maintainer, I do see that you've been active with your particular branch. Do you have any advice on how we might putt around and figure out the correct requests to the navilink service for this functionality?

@tboyko I didn't do any of the reverse engineering on this project, that was done before my time. I'd probably push forward with the effort that you and @KenReneris are already exploring - either exploring the app itself, tinkering with AWSIoTMQTTClient, or tinkering with this implementation running in home assistant with debugging under vscode.

[bakerkj]

For what it is worth, I don't use any of the scheduling features. Instead, I built the following setup before I started using this integration.

I have an Esphome device with a relay connected to the Navien wired hot button as well as a 1-wire temperature sensor at the far end of my hot water recirc loop. In home assistant I have an automation that runs when someone is home, someone is present in a room where they might want hot water (kitchen, bathrooms), if the temperature of the temperature sensor drops below some set temperature, it briefly trips the hot-button relay causing the system to warm the hot water loop.

[bakerkj]

If someone does figures this out, I'd be happy to help test it!

[philgrocks]

Would love to hear about your hot button implementation!--PhilOn May 5, 2024, at 2:05 PM, Ken Baker @.***> wrote: For what it is worth, I don't use any of the scheduling features. Instead, I built the following setup before I started using this integration. I have an Esphome device with a relay connected to the Navien wired hot button as well as a 1-wire temperature sensor at the far end of my hot water recirc loop. In home assistant I have an automation that runs when someone is home, someone is present in a room where they might want hot water (kitchen, bathrooms), if the temperature of the temperature sensor drops below some set temperature, it briefly trips the hot-button relay causing the system to warm the hot water loop.

—Reply to this email directly, view it on GitHub, or unsubscribe.You are receiving this because you are subscribed to this thread.Message ID: @.***>

[bakerkj]

Would love to hear about your hot button implementation!

This is the navien kit I am using: https://www.navieninc.com/downloads/spec-sheet-hotbutton-kit-en

The switch closure connection is connected to a relay on one of these (it only needs one relay, but I had this board sitting around): https://devices.esphome.io/devices/ESP32-Relay-X2

I am pretty sure this is the temperature probe I am using: https://www.amazon.com/gp/product/B07X4668VC

[philgrocks]

Thanks so much!

I was reading about my Navien water heater (Model NPE 240A2) and they now include the hot button board.

So for others… Check what model you have before getting parts.

Thanks again!

Phil

On May 6, 2024, at 5:08 AM, Ken Baker @.***> wrote:

Would love to hear about your hot button implementation!

This is the navien kit I am using: https://www.navieninc.com/downloads/spec-sheet-hotbutton-kit-en

The switch closure connection is connected to a relay on one of these (it only needs one relay, but I had this board sitting around): https://devices.esphome.io/devices/ESP32-Relay-X2

I am pretty sure this is the temperature probe I am using: https://www.amazon.com/gp/product/B07X4668VC

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