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I posted this awhile back. http://www.cocoontech.com/index.php?showtopic=7149

Will setting an output to 'off' for 2 minutes turn it off, then turn it on after two minutes? The ethernet module's web interface will only let you use timers for 'on', but the ElkRP will let you set timers for 'off'. My rules for 'off' timers don't seem to be working, and I can't clearly...

In order to save money on energy and increase the comfort level in my house, I wanted to temperature control multiple zones. Through my research, I found that a complete 5 Zone installation can be quite expensive: http://www.cocoontech.com/index.php?showtopic=4150 Some items like controllable...

Can the Elk ethernet expander (M1XEP) send counter values in email? I can only get it to send static text. I need to do this to create a debug log over time for the HVAC multizone code that I have written. I'd like to know what the temperature readings for a zone was when the room asked for...

I wanted to install a siren/speaker in my attic and connect it to Output 2. I wanted to do this so that my neighbors could hear my alarm. I installed an ELK-SP40, but that isn't loud enough. I can barely hear it when I am outside, next to my house. Would the Elk-45 work better for me...

How can I connect the ELK-SP40 to Output 2? The output is supervised, so I'll need to use a 2.2k resistor. Should I put the resistor in-line or parallel to the speaker connects? Putting it in-line seems like I would blow the resistor. Putting it in parallel looks like the resistor wouldn't...

What is the best way to compare the value of two counters? With the ElkRP, I can only compare a counter to a custom value, not to another counter.

Disclaimer ================ I am in the planning stages of this project. I do not have any experience with HVAC systems, but am learning as I go. If you are going to undertake a project similar to this, please do your own research and consult an HVAC contractor. If you screw something up, you...

My house has 2 HVAC systems, one for upstairs, the other for downstairs. Most of the downstairs is open, so zoning it probably won't be helpful. Each room upstairs has varing usage, heating and cooling properties and climate control needs. I am thinking of zoning the upstairs unit into 5...

Ultimately I would like to put each room on my second floor into its own HVAC Zone. Each room has varing usage, heating and cooling properties and climate control needs. I'll need to install a 5 zone HVAC controller that can be controlled by the M1G. It seems that the M1XSP can only control...