Controlled warehouse lighting
To get the greatest
benefit from a control system, you must know how the warehouse is used. How
long do staff stay in certain areas? Do they cluster in one spot? How much
movement is there in the aisles? If you don’t ask these questions, you won’t
achieve the best result. Lighting Warehouse Sydney
One of the biggest
savings to be made is in unoccupied aisles. I went to a distribution centre for
a major wholesaler that had literally dozens of aisles. Lighting Warehouse Sydney These aisles were a good 30m long, maybe
more than 40m. However, at any one time, only about a quarter of the aisles
were occupied.
These guys knew their
controls and had installed movement detectors at the ends and along the aisles.
When the aisle was empty, the luminaires dimmed to 10 per cent. As soon as
someone entered, the luminaires switched to full brightness giving 200 lux both
horizontally and vertically. They had further refined the technique, and
achieved greater savings, by switching on only those luminaires in the vicinity
of the person picking the goods. Further down the aisle, and behind, the
luminaires were dimmed.
Ex-Or's QuickSet Pro
setup device
Outside the aisles,
savings can be made by zoning so that only the occupied areas are illuminated
to full output. But beware, switching off totally can make a place look gloomy
and desolate; it might even be a health and safety hazard. It’s much better to
dim to 50 or 25 per cent. Lighting Warehouse Sydney
If you have ever done
a Leni calculation, you will know that it includes a figure for the quiescent
power load of the sensors. This is also known as the parasitic load. The Ex-Or
unit used here has a low rating of 150mW.
One final point that
needs to be mentioned is ease of setup. With some other suppliers,
commissioning can be a pain and may even require an outside specialist. Ex-Or
has devoted a lot of effort developing its QuickSet Pro handheld setup
controller. Lighting Warehouse Sydney
Our Lighting Warehouse Sydney is
25 x 50m and 14m to the apex. It is lit to 200 lux using three different types
of luminaire.
Full output
Selective
Night shift
Full output
This gives a general
view of the whole warehouse fully lit. Like many warehouses, several types of
luminaire are used. Lighting Warehouse Sydney Above the tall aisles, the luminaires have
a narrow oval shape that distributes the light along the aisles but minimises
it in the other axis to avoid hot spots. These can be fitted with individual
LightSpot HD sensors to track movement along the aisle. Alternatively, you can
group the sensors. They can be controlled by Dali or DSI signals. At the ends,
a mask can be fitted on the sensor so movement in the open area doesn’t trigger
the aisle lights.
In the open area,
mounted at the same height, are high bays with a symmetrical distribution. It’s
worth noting that the Ex-Or sensor is available for different mounting heights
from 2.5-16m.
Finally, there is a
low level section which is used for heavy goods for Lighting Warehouse Sydney or which have hard-to-read labels
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