Landscape lighting multi-controls

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brockbone

brockbone

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Location
Glendale, CA
How do I hard wire 6 low voltage transformers (landscape lighting) (6 'zones') controlled by an Astro time clock, override switch, and 6 motion detectors that pick up after 10:00PM when the Time clock shuts down the circuit.
My concern is back feeding the motion detectors and/or the time clock.
If I can avoid using contactors I wish to.
Not interested in using "home automation" tech.
 
Motion detectors have dry contactors. Back feeding will not hurt them. I do it all the time. Of course their is always an exception.
 
Thank You Buck.
So here is what I have come up with: Power Source (single circuit)connects to Line Side's of Override Switch and Astro Time Clock, and Power Source also parallel connected to Line side of Motion Detectors (daisy chained power, separate switch legs coming back connected to each of 6 transformers). Load sides of Override Switch and Time Clock connected to the 6 transformers.
Once I eliminated the photo cell control for the Astro Timer it became pretty straight forward.

Now, concerning your disclaimer: "Of course their is always an exception." I would like to know what that exception is or are you just saying "hey, I didn?t build those motion detectors so I can't say with 100% certainty what they are going to do".
Which brings me to my next question, do?s back feeding the time clock on its load side damage it if it is 'off'? I know it is not a problem with mechanical ones but the Asto is electronic.
 
Reply from Buck:
Motion detectors have dry contactors. Back feeding will not hurt them. I do it all the time. Of course their is always an exception.

Reply from Brock:
Thank You Buck.
So here is what I have come up with: Power Source (single circuit)connects to Line Side's of Override Switch and Astro Time Clock, and Power Source also parallel connected to Line side of Motion Detectors (daisy chained power, separate switch legs coming back connected to each of 6 transformers). Load sides of Override Switch and Time Clock connected to the 6 transformers.
Once I eliminated the photo cell control and added the "Astro" Timer it became pretty straight forward.

Now, concerning your disclaimer: "Of course their is always an exception." I would like to know what that exception is or are you just saying "hey, I didn?t build those motion detectors so I can't say with 100% certainty what they are going to do".

Which brings me to my next question, do?s back feeding the time clock on its load side damage it if it is 'off'? I know it is not a problem with mechanical ones but the Asto is electronic.
 
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