Occupancy Sensor

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MD84

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Stow, Ohio, USA
I need to provide two levels of light output from the same luminarie depending on manual or sensor activation.

The sensor activation needs to be when motion is detected and ambient light is low. This light level will be dimmed to a low output. This will ideally have a low off delay.

Manual activation will be turned on by a switch or button. This light level will be full output.

Ideally this will be controlled by a single yoke as I am retrofitting existing installation.

Does anyone know of an occupancy sensor that will do this? Are double stack occupancy sensor / toggle switch available? Any issue with paralleling dimming occupancy sensor and toggle switch?
 
MD84 said:
I need to provide two levels of light output from the same luminarie depending on manual or sensor activation.

The sensor activation needs to be when motion is detected and ambient light is low. This light level will be dimmed to a low output. This will ideally have a low off delay.

Manual activation will be turned on by a switch or button. This light level will be full output.

Ideally this will be controlled by a single yoke as I am retrofitting existing installation.

Does anyone know of an occupancy sensor that will do this? Are double stack occupancy sensor / toggle switch available? Any issue with paralleling dimming occupancy sensor and toggle switch?
Click to expand...


it's called partially off. nLight's probably the easiest solution, but there isn't anything you can slam in the wall
that i'm aware of that will do this standalone. it'll need other widgets to work. a dimming module, either line
voltage, or 0-10 is available. so, you have two widgets, and a cat 5 between them.

you are also looking at a couple hundred bucks or more per instance. and some programming needed to make it work.
 
Thanks. What do you think about a dimming sensor used for low mode which is overided by a toggle switch. Would there be any issue just paralleling with a spst? Would a dpst be better, bypassing the sensor?
 
MD84 said:
Thanks. What do you think about a dimming sensor used for low mode which is overided by a toggle switch. Would there be any issue just paralleling with a spst? Would a dpst be better, bypassing the sensor?
Click to expand...

"The sensor activation needs to be when motion is detected and ambient light is low."

so, what happens when the switch is left on? lights burn fully forever?

what happens when ambient light is high? lights come on anyway?

http://www.acuitybrands.com/products/detail/377330/Sensor-Switch/nWSX-LV-Family/Wall-Switch-Sensor-Low-voltage

this will turn lights on if low ambient light, and the level of light
is adjustable, say 30%, or whatever you want.

you can then, if you wish, set the light level wherever you prefer.

after leaving the room, the lights go off. when you re enter the
room, they go back on at 30%.
 
Lithonia has some LED lay in fixtures that have "Step Level Dimming" option.

Its a poor man's dimmer. The fixture basically has two power wires, and it provides full output when both are hot, and half output when only one is on.

Its a very cheap $5 or $10 option.

Works very well with dual output occupancy sensors that are made to meet the 50% auto on requirement of the IECC.
 
steve66 said:
Lithonia has some LED lay in fixtures that have "Step Level Dimming" option.

Its a poor man's dimmer. The fixture basically has two power wires, and it provides full output when both are hot, and half output when only one is on.

Its a very cheap $5 or $10 option.

Works very well with dual output occupancy sensors that are made to meet the 50% auto on requirement of the IECC.
Click to expand...
I was going to mention that something like this was done in the past with two ballast fluorescent luminaires, one or two lamps were powered continuously and occupancy sensor turned on the other lamps.

With LED's there is probably a lot of options, but some of them are pricey as well.
 
MD84 said:
I need to provide two levels of light output from the same luminarie depending on manual or sensor activation.

The sensor activation needs to be when motion is detected and ambient light is low. This light level will be dimmed to a low output. This will ideally have a low off delay.

Manual activation will be turned on by a switch or button. This light level will be full output.

Ideally this will be controlled by a single yoke as I am retrofitting existing installation.

Does anyone know of an occupancy sensor that will do this? Are double stack occupancy sensor / toggle switch available? Any issue with paralleling dimming occupancy sensor and toggle switch?
Click to expand...


Something like this?
https://hdsupplysolutions.com/shop/...nsor-p502585?gclid=CPWbqLyGrs8CFchefgodWkMDYQ
 
Thanks for the suggestions. The end result is for automatic nighttime navigation lighting. This will utilize hallway and stair lighting that is already in place. I need to have the fixture come on about 15% automatically at night when movement is detected. For normal bon sleeping conditions the light can operate full brightness off a switch. It is already being operated from a switch so I am not worried about vacancy automation though it would be an option. This is a residential installation. Basically I need to add the night lighting and I would like to offer an option to utilize existing fixtures vs installing new dedicated night lighting.
 
MD84 said:
Thanks for the suggestions. The end result is for automatic nighttime navigation lighting. This will utilize hallway and stair lighting that is already in place. I need to have the fixture come on about 15% automatically at night when movement is detected. For normal bon sleeping conditions the light can operate full brightness off a switch. It is already being operated from a switch so I am not worried about vacancy automation though it would be an option. This is a residential installation. Basically I need to add the night lighting and I would like to offer an option to utilize existing fixtures vs installing new dedicated night lighting.
Click to expand...
Since it is existing installation you need to look at the overall cost. If it were a new installation, it likely cost less to just put in separate main lighting and night lighting.

Do look into switches and receptacles with night lights integrated into them though they may be simplest and least cost.
 
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