Testing large amount of PIR controlled lighting

[timhoward]

I just wondered if anyone had any tips for testing an irritating design.
It's a large self-storage facility, several RCBO protected lighting circuits serving two floors, no light switches anywhere, just PIRs on radial circuits controlling about 4 lights each and there's about 30 such setups.
Emergency lighting comes from a separate branch near the origin of each circuit.
(The exceptionally irritating thing thing is that klik roses have been used for everything EXCEPT the PIR sensors!)

I can think of multiple ways to test CPC continuity and confirm polarity.
But when it comes to IR testing...options seem to be:
-link out each PIR (only one per group of lights but a LOT of them) and test normally
-test from the board to the PIRs, then test backwards via kilk rose on each set of lights
-agree a limitation with customer unless they want to pay extra
-declare an operational limitation due to design
The first two will obviously will be time consuming, and like a fool I quoted per circuit without knowing the setup.

What would you do? It feels unsatisfactory in the first place that you can't test it without jumping through many hoops...!

 

[Pretty Mouth]

I assume the PIRs switch just the L? If so, then I would leave all lamps/luminaires and PIRs in place, connect L and N together, and test between these and E. The SL will be included in this test as it will be connected to N via the lamps.

I would avoid dismantling, except where necessary for close inspection, and I would not attempt a test between L and N (I generally don't bother with this test for EICRs, I feel it is of little value).

 

[littlespark]

Perhaps the PIRs simply unplug from the connections of the fixed wiring?

If not, then as above… join L and N and IR test to E.

 

[timhoward]

Thanks. I’ve never really thought about the test current flowing back through the neutral to the SL via the fitting.
If they are LED grid panels I guess the same would apply through the primary coil of the driver. Every day a school day.

 

[7029 dave]

Global test at CU position via N E as above as above regarding the SL via N (switches closed will test L as well) oh no switches lol

 

[KungFuTurkeyLeg]

You would have thought they'd have a switch to flick on and off to engage an override. Not on each PIR but an actual light switch