Truma 4e/6e adding remote control by mobile phone

[ManTheVan]

Any idea if there's a solution out there to enable this? It would be massively handy to be able to switch the heating on remotely, before arrival, when we're away for the day.

TIA.

 

[Stoosal]

Truma inet box?

Truma iNet System - Truma

Mornings in bed, afternoons at the beach or evenings in a restaurant: thanks to the Truma iNet System, you can control your Truma appliances conveniently with the App at any time, no matter where you are. Note:The Truma iNet system is no longer in production since 01.01.2023. Take a look at the...

www.truma.com

(edit…..updated to inet x!
https://www.truma.com/gb/truma-inet-x-system/ )

 

[Pausim]

On ones that have an iNet ready control panel this is possible with the addition of an iNet Box. Unfortunately Truma have discontinued iNet Boxes and and taken a backward step by replacing them with the iNet X system that only works within bluetooth range.

 

[Millcourt]

Have a read of this thread….. it explains the shortcomings of the newer iNet X system and options for obtaining an iNet box to easily connect to and use with an iNet ready system:

truma iNET X panel

anyone retro fitted one of these? also anyone actually have one? is it worth the upgrade? tia

www.motorhomefun.co.uk

Hope this helps.

 

[ManTheVan]

Thanks all,

Unfortunately, ours is a 2010 MH and we don’t have iNet. It’s a completely manual system. I’m hoping to find some sort of system, probably aftermarket, that might allow me to control the heating via a mobile connection.

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[ManTheVan]

Is it possible, then, to replace the two rotary control knobs with a CP plus panel? I might be able to find an iNet for sale which would do the trick!

 

[ericroy]

Due to the age of your MH/Truma, the PCB in your boiler may not be iNet compatible. My 2013 boiler had a fault and when the PCB was replaced, the new one supported iNet. I was then able to replace my rotary controls with a CPlus panel and add an iNet box so that I could control boiler from my mobile phone (or iPad). I picked up the CPlus panel and iNet box off eBay, but I did need to make up a couple of missing leads.

 

[ManTheVan]

Have a read of this thread….. it explains the shortcomings of the newer iNet X system and options for obtaining an iNet box to easily connect to and use with an iNet ready system:

truma iNET X panel

anyone retro fitted one of these? also anyone actually have one? is it worth the upgrade? tia

www.motorhomefun.co.uk

Hope this helps.

Cheers. I think I’ll just carry on with my good ol‘ manual system that works brilliantly. The MH does warm up v quickly once the Truma is switched on. The “upgrade” process sounds like an eye-wateringly expensive process with an unsatisfactory outcome. Onwards and backwards!

 

[ericroy]

Yes, pretty expensive! Back in 2019 the replacement PCB for the boiler was a shade under £300, but it solved an intermittent issue we had. So it was needed anyway and we wouldn’t have spent the money just to get iNet. The remaining items plus cables and a SIM added up to just over £300 but this was offset slightly by being able to sell the rotary controls to someone who needed them to fix their system and couldn’t find any new ones.

Prior to all this, my first inclination as a computer engineer was to create a remote controller of my own using an Arduino. However, once I started investigating how the rotary controls communicated with the boiler, it became apparent that there was no easy interface to couple into without Truma providing their proprietary information. That was not going to happen - so the idea was abandoned!

 

[JimmE]

Is it possible, then, to replace the two rotary control knobs with a CP plus panel? I might be able to find an iNet for sale which would do the trick!

I did this with ours. Our Truma Combi was 2013, but I still had to purchase a new PCB for the boiler with the upgraded version in order to support the CP plus panel.

The CP Plus panel was around ~£100 and the upgraded PCB was around ~£200. However a secondary, unexpected benefit is that the new software seems a little better at maintaining temperature - rather than the manual controls 1 - 5 we can now set a target temperature and the boiler will work to that. It seems pretty accurate compared to our separate thermometer, meaning we no longer need to adjust the heating several times an evening during winter trips.

I've not bothered adding the iNet box as our main reason was wanting the timer, but, as a bit of an electronics hobbyist, I am planning on playing around with running this software on a Raspberry Pi (mini computer) next year in order to build a remote on/off function myself, but more for the challenge/learning experience than for us actually needing it!

Swapping the PCB and fitting the CP Plus panel wasn't particularly tricky, but it looks like you're nearby me so if you do go down that route and could use an extra pair of hands, just let me know.

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[ManTheVan]

I did this with ours. Our Truma Combi was 2013, but I still had to purchase a new PCB for the boiler with the upgraded version in order to support the CP plus panel.

The CP Plus panel was around ~£100 and the upgraded PCB was around ~£200. However a secondary, unexpected benefit is that the new software seems a little better at maintaining temperature - rather than the manual controls 1 - 5 we can now set a target temperature and the boiler will work to that. It seems pretty accurate compared to our separate thermometer, meaning we no longer need to adjust the heating several times an evening during winter trips.

I've not bothered adding the iNet box as our main reason was wanting the timer, but, as a bit of an electronics hobbyist, I am planning on playing around with running this software on a Raspberry Pi (mini computer) next year in order to build a remote on/off function myself, but more for the challenge/learning experience than for us actually needing it!

Swapping the PCB and fitting the CP Plus panel wasn't particularly tricky, but it looks like you're nearby me so if you do go down that route and could use an extra pair of hands, just let me know.

Really kind - thanks!

 

[ericroy]

I've not bothered adding the iNet box as our main reason was wanting the timer, but, as a bit of an electronics hobbyist, I am planning on playing around with running this software on a Raspberry Pi (mini computer) next year in order to build a remote on/off function myself, but more for the challenge/learning experience than for us actually needing it!

That looks an interesting piece of software that could be useful. My investigations pre-date the availability of anything like that, although I did find one or two who were at the experimental stage in building their own solutions.