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Posted By stevehaigh
We are considering implementing full discharge tests on the emergency lighting within our residential care home. Bearing in mind that the system could take upto 24 hours to recharge and we cannot relocate residents has anyone any useful advice how to safely conduct the test besides undertaking the test as early in the day as possible eg at sunrise and then having back up torches available
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Posted By Rachael Palmer
I would suggest you schedule the tests so they are carried out toward the end of June to make the most of the daylight hours. Is it possible to discharge the individual lights one at a time rather than doing them all at once? Alternatively the lights should have sufficient charge to remain illuminated for a minimum of 3 hours so would it be possible for night staff to flick the switch during the early hours?
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Posted By Robert K Lewis
Steve
Best might be not to start from here. Good designs run on dual circuits such that adjacent luminaires are on separate feeds. This allows 50% to be discharged at any time whilst the remainder is unaffected.
If yours is not so designed you could consider utlising battery powered lanterns for a couple of hours as a back up , I would ideally locate these rather than use hand-held torches as you can achieve best light spread in the building. Remember also that after 3-4 hours there will be some charge in the luminaire battery packs so you will only have a small window of total reliance on batteries.
Bob
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