Baseboard Heater Automation with ELK M1 Gold

gasbie

Active Member
Guys, I really need help. my walls are open right now so i want to make all necessary wire run before closing it up. I have installed 8 baseboard heaters in 8 different zones in my house. Each heater has its own circuit breaker at the panel and I ran a high voltage wire from the heaters to each digital thermostat. But what i want to do is to be able to control my heater thru my elk m1 gold from outside. For example, I want to be able to turn on my heater 30 minutes before I get home. can someone recommend how I can accomplish this. Please, list the parts that I need. Please I need to do this asap before closing the walls. thanks
 
Baseboard heaters use a bunch of current. I would recommend using a contactor located at the breaker panel end of the run, assuming they are all individual runs. You can get contactors with low coil voltages and switch them using Elk relays and an aux power supply.
 
Thanks for the quick response. A contracted electrician has connected the heaters at the panel. am getting ready to install the thermostat but I want to make sure I get the right thermostat and relay to get the job done.
 
The best way to do this is using communicating thermostats - you can adapt the HAI or RCS ones to control just about any type of heat using the appropriate relay. Of course, this would be a bit costly because you have to buy 8 of the communicating thermostats and get a Cat5 or so to each thermostat - then you can daisy chain them at the Elk (I think 4 HAI's to one XSP IIRC?).

The reason this is better is that you still have thermostats at all time - and instead of cutting power to your baseboard heaters, you have the ability to set specific temperatures or setbacks. You can program a task to set them all back or restore the temp very easily - but still also have your freeze protection by having a minimum allowed temp.

The alternative which I think people are eluding to is to just use a contactor/relay to hard-cut power to the heaters so they don't work - via the M1. While this technically works, it's a bit more of a kludge, and you don't really have the freeze protection unless you build it in with thermostats... all running through the M1. I like my M1, but I don't want to rely on a single system quite that much.

One other potential option - a lot of decent thermostats do have an interface switch basically - like a low-voltage contact you could hook into a simple relay off the M1 - that when switched, it puts the thermostat in "Setback" mode - and when switched again, restores the temps. You set the setback temperatures in the thermostat - and the system is always powered to a minimum temp.

I don't know about you, but I don't let my house drop below 66 degrees. At a point, the rapidly fluctuating temperatures can wreak havoc on a house.
 
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