Open warehouse passages with stocks or pallet shelving.

Light sources

The fittings in this warehouse have dimmable HF operating devices with analogue control (1 – 10 V).

Positioning of detectors

In warehouse passages is presence detection at best with a special solution. Detector PD-22000 with Lens no. 17, mounted in that end of the passage where one most often enter. PD-2200 should be mounted in the ceiling, on a suspended fitting at an angel of 40° to the vertical line. One PD-2200 with lens no. 17 can manage passages up to 50 meters in length. Individual fields in the lens system can be screened off so that fields do not reach areas where no detection is to take place, e.g. transverse passages. It is a good idea to carry out practical tests before the final design is implemented!

Control system

When warehouse passages are periodically used very frequently, i.e. when there are a lot of transits, installation of dynamic lighting control must be selected. This means fittings with dimmable HF operating devices, presence detection and level selectors.

In the event of presence the lighting is switched on to approx. 80 per cent. One minute after the presence has ceased the lighting is reduced to approx. 2 per cent. In the event of entry into warehouse passages the lighting is immediately increased to 80 per cent again. After two hours without any presence the lighting is completely switched off to eliminate no-load losses. NV-2T level selector is also available with DSI control (NV-2T DSI).

The most important advantages attained using Dynamic Control are as follows:

• Evenly distributed basic light without extra fittings, operating at a level of 100 per cent.
• The possibility of saving 20 – 25 per cent during operation.
• Lower working temperature in the fittings, resulting in a longer life.
• Fewer activations and less power supplied, reducing wear on the fluorescent powder and resulting in a longer life of the light sources.
• The possibility of avoiding adherence to the light-source manufacturers’ recommendations regarding burning times, thus drastically reducing the operating times and increasing the saving.

Installation of the detectors should use the simplest possible cable, e.g. EKKX 1 x 4 x 0.25 mm2. The same power supply can be used in up to 10 warehouse passages, depending on line lengths and positioning.
Always prepare a power budget.
Correct adjustment of the IR detectors is greatly simplified if the BL-1 field-indication diode (Order No. 13035) is used. This particularly applies in long warehouse passages.

Information for current budget

The diagram shows the energy consumption in a warehouse aisle over one day. The yellow area shows the energy consumption with lighting control according to the light source manufacturer’s recommendations.
The green area shows the energy consumption with lighting control installed.
This means that the yellow area represents an unnecessary payment to the electricity supplier!

The dynamic system adapts the lighting depending on how the warehouse is used, and in aisles that are unused the lighting remains switched off completely.