So, I've got three lights on the front of my house that are controlled by a traditional motion sensor and a switch. If the switch is off, the lights are off. If the switch is on, the motion sensor is active. If the sensor detects motion, the lights turn on. If I want to turn the lights on manually, I have to flip the switch on-off a couple times to get them to turn on. Then to get back into "motion" mode I have to turn them off for a while, then back on, then hope the motion sensor takes over. Then repeat as needed or until I get so frustrated I just turn them off and walk away. And recently this sensor started flaking out, so now nothing really works. Probably a good thing...
So I've been looking for a motion sensor and switch I can pair with HE to control these lights. My preference is for a line-voltage powered sensor that has the ability to directly control the attached lights. I found this HomeSeer Z-Wave Floodlight Sensor and was wondering if anyone had any experience with it and can comment on if it will function during Minnesota winters where the temperature can occasionally get to -20F (-30C). It doesn't really need to work at these temperatures, just not be damaged by them. It is installed under an eave, so relatively protected from rain and snow.
My plan is to replace the switch inside the house with a Z-Wave equivalent (probably Zooz). I will connect the line, neutral, and ground as needed, but will not connect anything to the load terminal(s). The motion sensor will be wired "hot" by bypassing the switch and always be powered. I'll write the rules necessary so that motion (during hours of darkness) will tun the light on for 15 minutes. And another rule so that if the switch is ON, the outdoor lights are ON.
Am I on the right track as far as devices, installation, and rules? Is there a better way? This will be my first motion sensor and I don't want any unpleasant surprises.