Instruction manual – AP901S Arc Protection Unit
37 (43
)
A1027A
10.3
T
ESTING ARC FLASH PROTECTION UNIT OPERATION TIME
The AP901S operation time test is not required at commissioning as it is performed by the
manufacturer as a type test and routine production test. Refer to routine test reports sent with
AP901S unit and consult your nearest ICE representative for type test reports.
However, if it is deemed necessary a site timing test may be conducted using below
instructions.
1)
Use a calibrated relay test set
2)
Connect an output from the relay test set to camera flash type Metz 20B1 or
equivalent input for initializing the flash and configure a relay test set timer to be
started simultaneously with flash.
3)
connect AP901S trip output T1,T2, or T3 to relay test set input and configure the
input to stop the timer
4)
Place camera flash to maximum 20cm (12 inch) distance of the AS01.
5)
Initiate flash and timer using relay test set output.
6)
Read the measured time between simulated arc and trip contact operation.
7)
Subtract the digital input delay of the relay test set from the final measured time if
applicable. For specific test instructions consult the manufacturer of the relay test
set.
Summary of Contents for AP901S
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