Author Topic: Time of use control of Electric Hot Water Heaters.  (Read 2247 times)

Bill Blackburn

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Time of use control of Electric Hot Water Heaters.
« on: July 20, 2017, 04:09:59 pm »
Hi Guys

I am having problems figuring out how to code these modules, well frankly I'm lost. Have very little experience with this type of software.

What I wanted to do was write a program that would control my Electric Hot Water Heater by time of use. Presently I am using an old Mechanical Timer that controls a Relay to switch the 240 volts going to the Heater Elements of the Hot Water Tank. There are a few short comings with this setup, namely weekends, holidays and when we have a power failure.

My time of use has four zones in a 24 hour period and 2 seasonal schedules one for Winter and one for Summer.

I would love to see a video discussing a program to control Electric Hot Water Heaters.

Thanks for your help with this matter.


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Hi Bill,

Very interesting use-case. A video would be a great way to explore this however, we are in the midst of a couple of projects that are taking most of our time currently - we will not be able to make a video to help here.

That said, if you could provide some additional information, maybe someone from the community could help you out with some programming or suggestions for your use-case. It would help if:
- you could provide details on exactly how you envision your setup (alerts, what do you want the water heater to do and when, etc)
- provide information (maybe even pictures) of the hardware/equipment you have and what you would like to do
- any other details that might help some of the mcThings users to help you out

As you work through the project, our team and other users can help to answer questions here on the forum

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