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IP rated luminaires for jet wash with high temp. water?

pww235
Evening all.


Bit of a head scratcher:


IP65 / IP66 testing must use water that it within 5K of the specimen under test.

IP69 testing uses water at 80ºC (+/- 5ºC).


I have a process area that will be subject to jet washing with hot water fed from the domestic system and so will be somewhere in the region of 40ºC - 60ºC.


The luminaires within the space shall be IP66 for the water flow rates but should they also be IP69 rated to account for the hot water?


Appreciate any thoughts.


P
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  • 0
    My local wholesaler had lots of PIR operated LED floodlights returned that had been installed in areas where pressure washers were in use.


    The actual LED lamp fittings were fine, the issue was the PIRs, they had a lower IP rating than the fittings they controlled.


    If you need PIR controllers then using separate controllers is considered the best thing to do if you cannot get a combined unit that has a floodlight and PIR controller with the same IP rating that is appropriate for the intended location.


    Andy Betteridge
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  • 0
    My local wholesaler had lots of PIR operated LED floodlights returned that had been installed in areas where pressure washers were in use.


    The actual LED lamp fittings were fine, the issue was the PIRs, they had a lower IP rating than the fittings they controlled.


    If you need PIR controllers then using separate controllers is considered the best thing to do if you cannot get a combined unit that has a floodlight and PIR controller with the same IP rating that is appropriate for the intended location.


    Andy Betteridge
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