Seaward 250 PrimeTest - Manual (Page 34)

Whenever reSet is displayed on the LCD press the
reset button on the RCD.
The PrimeTest 250+ will perform a IΔn (30mA) 0°
test, the operating time of the RCD will be shown on
the PrimeTest 250+ LCD. If the test passes then the
PrimeTest 250+ will perform a IΔn (30mA) 180° test. As
long as the tests continue to pass the PrimeTest 250+
will continue to test both 0° and 180° at IΔn (30mA).
3.9 Performing an RCD test on a Plug top RCD
The PrimeTest 250+ can be used to measure the
operating time of a plug top RCD.
When plugging the mains lead into the
PrimeTest 250+ plus ensure that the
polarity orientation of the connector is
correct. DO NOT FORCE THE PLUG INTO
THE CONNECTOR. Doing so may damage
the PrimeTest 250+.
When performing an RCD test ensure that
the Continuity Test probe is disconnected
from the Primetest 250+.
Connect the PrimeTest 250+ mains lead to the mains
inlet socket of the PrimeTest 250+ and a mains outlet.
Plug the RCD into the PrimeTest 250+. Plug the
supplied IEC lead into the RCD and the PrimeTest
250+ IEC socket.
To test the RCD operating time press the 30mA RCD
test key.
The mains supply status is checked and the status is
indicated using the LN, LE and NE enunciators of the
LCD.
PrimeTest 250+ Operating Instructions
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