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-   -   Zenith Motion Sensor Wiring (http://www.diychatroom.com/f18/zenith-motion-sensor-wiring-164588/)

serratedauto 11-24-2012 09:20 PM

Zenith Motion Sensor Wiring
 
Hi guys,

I'm new here and have some questions about wiring up a Zenith DualBrite Sensor Head (Model 5716) to our house lighting. Originally, we had a contractor install the sensor and lights, but recently the sensor died and we're trying to figure out how to rewire a new one up to the house.

The basic setup of our wiring is that the power is passed to a light switch, and from there the 2 lamps and motion sensor are connected to that. I took a picture and labeled the relevant parts of the wiring:
http://i585.photobucket.com/albums/s...r22/photo1.png

Now, I'm trying to follow the manual to hook up the wires but it's really vague in the sense that it only identifies the wires by color and not by what the connection is (ground, power, etc). The manual indicates I should hook all white wires together and the black control wire to the black junction box wire, and then connect the red control wire to the black lamp wire. It also says I can optionally connect the load across the white and red wires.

My problem is that when I opened the wiring on the house, all I see are a single black and single white wire connected together with a single green wire not connected together:
http://i585.photobucket.com/albums/s...r22/photo4.jpg

Any help with wiring this would be very appreciated! Thanks!

jbfan 11-24-2012 09:33 PM

Who removed the sensor?
The way it is wired now would bypass a sensor.

serratedauto 11-24-2012 09:34 PM

Right. The sensor was removed a while ago (don't ask by who), but yes right now it does work without the sensor. I want to wire the sensor back in the loop.

jbfan 11-24-2012 09:39 PM

Does the sensor have 2 or 3 wires, not counting the ground or green wire?

serratedauto 11-24-2012 09:40 PM

The sensor has 4 wires (red, green, white, and black).

[edit] saw the last part of your post, it's 3 wires without the green [/edit]

joed 11-24-2012 09:40 PM

It appears your new sensor needs a neutral where your old did not. I think you need a different sensor that only needs two wire and no neutral.

jbfan 11-24-2012 09:41 PM

Quote:

Originally Posted by serratedauto (Post 1059669)
The sensor has 4 wires (red, green, white, and black).

The current wiring you have in the box will not work.
You need a hot wire and a neutral to feed the sensor, then a wire back to turn on the light.

serratedauto 11-24-2012 09:49 PM

Then I'm confused because this was the wiring that was installed by the contractor. Did Zenith change their sensors with new wiring since this was originally installed 8 years ago?

jbfan 11-24-2012 09:53 PM

Maybe, maybe not.
The only way it could have worked with the current wiring like this would be an illegal installion.

joed 11-25-2012 08:57 AM

Did the old sensor have the same three wires?

k_buz 11-25-2012 09:34 AM

Judging by the loose MC in the garage, I am betting that the original installation illegally used the ground for something other than what it was intended for.

JuzRick 11-25-2012 10:03 AM

K_Bus: to me it looks as if serratedauto has a hot with leg(for operating a switch)on that line.. being there's that's only single line coming out vs two( 1 for the hot feed.. the 2nd for the switch to the light). In that switch box in the attic there's the possibility that the neutral is tied in from the main feed coming in as a hotfor the switch to control the lights.

In the case.. the new light should operate just the same... once serratedauto following the diagram to connecting the wires in place. Unless Serratedauto dont want the light(s) controlled by the existing switch in the attic, the same wiring will operate the light. I've did an install similar to that format. And that all is was! AGAIN::: every scenario is different...

k_buz 11-25-2012 10:09 AM

You are not following. What you see is existing. ALL motion detectors I've installed have needed a neutral to operate the electronics inside the detector. There isn't the correct wiring available in the existing set up to install a new motion sensor...unless they used the ground illegally.

JuzRick 11-25-2012 10:17 AM

Quote:

Originally Posted by k_buz (Post 1059944)
You are not following. What you see is existing. ALL motion detectors I've installed have needed a neutral to operate the electronics inside the detector. There isn't the correct wiring available in the existing set up to install a new motion sensor...unless they used the ground illegally.


K_Buz: if how the electrician tied the line unto the switch in the attic(as to what is shown).. that neutral serves as they hot.. and the black is the switch leg(controlling the light).. "a verse hot"- is what im applying. I've seen it before done that way. Also wired a few that way vs pulling more wire(depending on the task of the job).

JuzRick 11-25-2012 10:21 AM

Quote:

Originally Posted by JuzRick (Post 1059947)
K_Buz: if how the electrician tied the line unto the switch in the attic(as to what is shown).. that neutral serves as they hot.. and the black is the switch leg(controlling the light).. "a verse hot"- is what im applying. I've seen it before done that way. Also wired a few that way vs pulling more wire(depending on the task of the job).


K_Buz::: I got it now. Different setup... totally!!!!


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