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NVC LEXINGTON SLIM PRO Instructions page 2

Exit box luminaire

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OPERATION / MAINTENANCE
1.
This unit is using Lithium Iron Phosphate cell (LiFeP04) in its battery pack. These batteries require close
monitoring and protection circuitry to operate safely. This pack uses a dedicated protection built into the
module unit. Ensure identical batteries are used in any replacement maintenance.
2.
Nominal battery life is designed to be at least 4 years. The battery should be replaced when it no longer achieves its 3-
hour rated duration.
3.
DO NOT INSULATION TEST.
4.
Ensure cleanliness of luminaires is maintained so as not to affect performance.
5.
The luminaire operating temperature range is 0⁰C - +40⁰C.
TESTING FOR EMERGENCY LUMINAIRES
Recommended routine test procedures in line with BS 5266 & BS EN 50172:
Monthly Functional Test
Simulate a mains supply failure by isolating the circuit (ensuring it is safe to do so) or by way of a test key switch if fitted
into the circuit. Alternatively, there is a test button on the product.
Do this for a period of time (usually 30s) to check that the light source illuminates from the battery supply.
Once complete, ensure the mains supply is restored & that the green LED charge indicator illuminates.
Log result/comments in the emergency lighting logbook.
Annual Discharge Test
Simulate a mains supply failure by isolating the circuit (ensuring it is safe to do so) or by way of a test key switch if fitted
into the circuit.
This should be for the full 3-hour rated duration.
Check that the light source illuminates & remains illuminated for the full rated duration period.
Once complete, ensure the mains supply is restored & that the green LED charge indicator illuminates.
Log result/comments in the emergency lighting logbook.
2

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